PROPOXYPHENE - propoxyphene hydrochloride capsule 
Stat Rx USA

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DESCRIPTION

Propoxyphene hydrochloride, USP is an odorless, white crystalline powder with a bitter taste. It is freely soluble in water. Chemically, it is (2S,3R)-(+)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol propionate (ester) hydrochloride, which can be represented by the accompanying structural formula. Its molecular formula is C22H29NO2∙HCl and its molecular weight is 375.93.

Structure Image

Each capsule contains 65 mg (172.9 μmol) propoxyphene hydrochloride. It also contains the following inactive ingredients: anhydrous lactose, magnesium stearate, microcrystalline cellulose, pregelatinized starch and sodium lauryl sulfate. The empty hard-shell hypromellose capsule shells contain carnauba wax, carrageenan, hypromellose, potassium chloride, synthetic red iron oxide and titanium dioxide. In addition, the imprinting ink contains black iron oxide, potassium hydroxide, propylene glycol, shellac and strong ammonia solution.

CLINICAL PHARMACOLOGYPharmacology

Propoxyphene is a centrally acting opiate analgesic. In vitro studies demonstrated propoxyphene and the metabolite norpropoxyphene inhibit sodium channels (local anesthetic effect) with norpropoxyphene being approximately 2-fold more potent than propoxyphene and propoxyphene approximately 10-fold more potent than lidocaine. Propoxyphene and norpropoxyphene inhibit the voltage-gated potassium current carried by cardiac rapidly activating delayed rectifier (hERG) channels with approximately equal potency. It is unclear if the effects on ion channels occur within therapeutic dose range.

PharmacokineticsAbsorption

Peak plasma concentrations of propoxyphene are reached in 2 to 2.5 hours. After a 65 mg oral dose of propoxyphene hydrochloride, peak plasma levels of 0.05 to 0.1 mcg/mL for propoxyphene and 0.1 to 0.2 mcg /mL for norpropoxyphene (major metabolite) are achieved. Repeated doses of propoxyphene at 6 hour intervals lead to increasing plasma concentrations, with a plateau after the ninth dose at 48 hours. Propoxyphene has a half-life of 6 to 12 hours, whereas that of norpropoxyphene is 30 to 36 hours.

Distribution

Propoxyphene is about 80% bound to proteins and has a large volume of distribution, 16 L/kg.

Metabolism

Propoxyphene undergoes extensive first-pass metabolism by intestinal and hepatic enzymes. The major route of metabolism is cytochrome CYP3A4 mediated N-demethylation to norpropoxyphene, which is excreted by the kidneys. Ring hydroxylation and glucuronide formation are minor metabolic pathways.

Excretion

In 48 hours, approximately 20% to 25% of the administered dose of propoxyphene is excreted via the urine, most of which is free or conjugated norpropoxyphene. The renal clearance rate of propoxyphene is 2.6 L/min.

Special PopulationsGeriatric Patients

After oral administration of propoxyphene in elderly patients (70 to 78 years), much longer half-lives of propoxyphene and norpropoxyphene have been reported (propropoxyphene 13 to 35 hours, norpropoxyphene 22 to 41 hours). In addition, the AUC was an average of 3-fold higher and the Cmax was an average of 2.5-fold higher in the elderly when compared to a younger (20 to 28 years) population. Longer dosage intervals may be considered in the elderly because the metabolism of propoxyphene may be reduced in this patient population. After multiple oral doses of propoxyphene in elderly patients (70 to 78 years), the Cmax of the metabolite (norpropoxyphene) was increased 5-fold.

Pediatric Patients

Propoxyphene has not been studied in pediatric patients.

Hepatic Impairment

No formal pharmacokinetic study of propoxyphene has been conducted in patients with mild, moderate or severe hepatic impairment.

After oral administration of propoxyphene in patients with cirrhosis, plasma concentrations of propoxyphene were considerably higher and norpropoxyphene concentrations were much lower than in control patients. This is presumably because of a decreased first-pass metabolism of orally administered propoxyphene in these patients. The AUC ratio of norpropoxyphene: propoxyphene was significantly lower in patients with cirrhosis (0.5 to 0.9) than in controls (2.5 to 4).

Renal Impairment

No formal pharmacokinetic study of propoxyphene has been conducted in patients with mild, moderate or severe renal impairment.

After oral administration of propoxyphene in anephric patients, the AUC and Cmax values were an average of 76% and 88% greater, respectively. Dialysis removes only insignificant amounts (8%) of administered dose of propoxyphene.

Drug Interactions

The metabolism of propoxyphene may be altered by strong CYP3A4 inhibitors (such as ritonavir, ketoconazole, itraconazole, troleandomycin, clarithromycin, nelfinavir, nefazadone, amiodarone, amprenavir, aprepitant, diltiazem, erythromycin, fluconazole, fosamprenavir, grapefruit juice and verapamil) leading to enhanced propoxyphene plasma levels. On the other hand, strong CYP3A4 inducers such as rifampin may lead to enhanced metabolite (norpropoxyphene) levels.

Propoxyphene is also thought to possess CYP3A4 and CYP2D6 enzyme inhibiting properties. Coadministration with a drug that is a substrate of CYP3A4 or CYP2D6, may result in higher plasma concentrations and increased pharmacologic or adverse effects of that drug.

INDICATION

Propoxyphene hydrochloride capsules are indicated for the relief of mild to moderate pain.

CONTRAINDICATIONS

Propoxyphene hydrochloride capsules are contraindicated in patients with known hypersensitivity to propoxyphene.

Propoxyphene hydrochloride capsules are contraindicated in patients with significant respiratory depression (in unmonitored settings or the absence of resuscitative equipment) and patients with acute or severe asthma or hypercarbia.

Propoxyphene hydrochloride capsules are contraindicated in any patient who has or is suspected of having paralytic ileus.

WARNINGSRisk of Overdose

There have been numerous cases of accidental and intentional overdose with propoxyphene products either alone or in combination with other CNS depressants, including alcohol. Fatalities within the first hour of overdosage are not uncommon. Many of the propoxyphene-related deaths have occurred in patients with previous histories of emotional disturbances or suicidal ideation/attempts and/or concomitant administration of sedatives, tranquilizers, muscle relaxants, antidepressants or other CNS-depressant drugs. Do not prescribe propoxyphene for patients who are suicidal or have a history of suicidal ideation.

Respiratory Depression

Respiratory depression is the chief hazard from all opioid agonist preparations. Respiratory depression occurs most frequently in elderly or debilitated patients, usually following large initial doses in non-tolerant patients, or when opioids are given in conjunction with other agents that depress respiration. Propoxyphene should be used with extreme caution in patients with significant chronic obstructive pulmonary disease or cor pulmonale, and in patients having substantially decreased respiratory reserve, hypoxia, hypercapnia, or preexisting respiratory depression. In such patients, even usual therapeutic doses of propoxyphene may decrease respiratory drive to the point of apnea. In these patients alternative non-opioid analgesics should be considered and opioids should be employed only under careful medical supervision at the lowest effective dose.

Hypotensive Effect

Propoxyphene, like all opioid analgesics, may cause severe hypotension in an individual whose ability to maintain blood pressure has been compromised by a depleted blood volume, or after concurrent administration with drugs such as phenothiazines or other agents which compromise vasomotor tone. Propoxyphene may produce orthostatic hypotension in ambulatory patients. Propoxyphene, like all opioid analgesics, should be administered with caution to patients in circulatory shock, since vasodilatation produced by the drug may further reduce cardiac output and blood pressure.

Head Injury and Increased Intracranial Pressure

The respiratory depressant effects of narcotics and their capacity to elevate cerebrospinal fluid pressure may be markedly exaggerated in the presence of head injury, other intracranial lesions or a preexisting increase in intracranial pressure. Furthermore, narcotics produce adverse reactions which may obscure the clinical course of patients with head injuries.

Drug Interactions

The concomitant use of propoxyphene and CNS depressants, including alcohol, can result in potentially serious adverse events including death. Because of its added depressant effects, propoxyphene should be prescribed with caution for those patients whose medical condition requires the concomitant administration of sedatives, tranquilizers, muscle relaxants, antidepressants or other CNS-depressant drugs.

Usage in Ambulatory Patients

Propoxyphene may impair the mental and/or physical abilities required for the performance of potentially hazardous tasks, such as driving a car or operating machinery. The patient should be cautioned accordingly.

Use with Alcohol

Patients should be cautioned about the concomitant use of propoxyphene products and alcohol because of potentially serious CNS-additive effects of these agents that can lead to death.

PRECAUTIONSTolerance and Physical Dependence

Tolerance is the need for increasing doses of opioids to maintain a defined effect such as analgesia (in the absence of disease progression or other external factors). Physical dependence is manifested by withdrawal symptoms after abrupt discontinuation of a drug or upon administration of an antagonist. Physical dependence and tolerance are not unusual during chronic opioid therapy.

The opioid abstinence or withdrawal syndrome is characterized by some or all of the following: restlessness, lacrimation, rhinorrhea, yawning, perspiration, chills, myalgia and mydriasis. Other symptoms also may develop, including: irritability, anxiety, backache, joint pain, weakness, abdominal cramps, insomnia, nausea, anorexia, vomiting, diarrhea, or increased blood pressure, respiratory rate or heart rate. In general, opioids should not be abruptly discontinued (see DOSAGE AND ADMINISTRATION: Cessation of Therapy).

If propoxyphene is abruptly discontinued in a physically dependent patient, an abstinence syndrome may occur (see DRUG ABUSE AND DEPENDENCE). If signs and symptoms of withdrawal occur, patients should be treated by reinstitution of opioid therapy followed by gradual tapered dose reduction of propoxyphene combined with symptomatic support (see DOSAGE AND ADMINISTRATION: Cessation of Therapy).

Use in Pancreatic/Biliary Tract Disease

Propoxyphene may cause spasm of the sphincter of Oddi and should be used with caution in patients with biliary tract disease, including acute pancreatitis. Opioids like propoxyphene may cause increases in the serum amylase level.

Hepatic or Renal Impairment

Insufficient information exists to make appropriate dosing recommendations regarding the use of either propoxyphene in patients with hepatic or renal impairment as a function of degree of impairment. Higher plasma concentrations and/or delayed elimination may occur in case of impaired hepatic function and/or impaired renal function (see CLINICAL PHARMACOLOGY).

If the drug is used in these patients, it should be used with caution because of the hepatic metabolism and renal excretion of propoxyphene metabolites.

Information for Patients/Caregivers
  1. Patients should be advised to report pain and adverse experiences occurring during therapy. Individualization of dosage is essential to make optimal use of this medication.
  2. Patients should be advised not to adjust the dose of propoxyphene without consulting the prescribing professional.
  3. Patients should be advised that propoxyphene may impair mental and/or physical ability required for the performance of potentially hazardous tasks (e.g., driving, operating heavy machinery).
  4. Patients should not combine propoxyphene with central nervous system depressants (e.g., sleep aids, tranquilizers) except by the orders of the prescribing physician, because additive effects may occur.
  5. Patients should be instructed not to consume alcoholic beverages, including prescription and over-the-counter medications that contain alcohol, while using propoxyphene because of risk of serious adverse events including death.
  6. Women of childbearing potential who become, or are planning to become, pregnant should be advised to consult their physician regarding the effects of analgesics and other drug use during pregnancy on themselves and their unborn child.
  7. Patients should be advised that propoxyphene is a potential drug of abuse. They should protect it from theft, and it should never be given to anyone other than the individual for whom it was prescribed.
  8. Patients should be advised that if they have been receiving treatment with propoxyphene for more than a few weeks and cessation of therapy is indicated, it may be appropriate to taper the propoxyphene dose, rather than abruptly discontinue it, due to the risk of precipitating withdrawal symptoms. Their physician can provide a dose schedule to accomplish a gradual discontinuation of the medication.
Drug Interactions with Propoxyphene

Propoxyphene is metabolized mainly via the human cytochrome P450 3A4 isoenzyme system (CYP3A4), therefore potential interactions may occur when propoxyphene is administered concurrently with agents that affect CYP3A4 activity.

The metabolism of propoxyphene may be altered by strong CYP3A4 inhibitors (such as ritonavir, ketoconazole, itraconazole, troleandomycin, clarithromycin, nelfinavir, nefazadone, amiodarone, amprenavir, aprepitant, diltiazem, erythromycin, fluconazole, fosamprenavir, grapefruit juice and verapamil) leading to enhanced propoxyphene plasma levels. Coadministration with agents that induce CYP3A4 activity may reduce the efficacy of propoxyphene. Strong CYP3A4 inducers such as rifampin may lead to enhanced metabolite (norpropoxyphene) levels.

Propoxyphene is also thought to possess CYP3A4 and CYP2D6 enzyme inhibiting properties and coadministration with drugs that rely on either of these enzymes for metabolism may result in increased pharmacologic or adverse effects of that drug. Severe neurologic signs, including coma, have occurred with concurrent use of carbamazepine (metabolized by CYP3A4).

Increased risk of bleeding has been observed with warfarin-like agents when given along with propoxyphene; however, the mechanistic basis of this interaction is unknown.

CNS Depressants

Patients receiving narcotic analgesics, general anesthetics, phenothiazines, other tranquilizers, sedative-hypnotics or other CNS depressants (including alcohol) concomitantly with propoxyphene may exhibit an additive CNS depression. Interactive effects resulting in respiratory depression, hypotension, profound sedation or coma may result if these drugs are taken in combination with the usual dosage of propoxyphene. When such combined therapy is contemplated, the dose of one or both agents should be reduced.

Mixed Agonist/Antagonist Opioid Analgesics

Agonist/antagonist analgesics (i.e., pentazocine, nalbuphine, butorphanol and buprenorphine) should be administered with caution to patients who have received or are receiving a course of therapy with a pure opioid agonist analgesic such as propoxyphene. In this situation, mixed agonist/antagonist analgesics may reduce the analgesic effect of propoxyphene and/or may precipitate withdrawal symptoms in these patients.

Monoamine Oxidase Inhibitors (MAOIs)

MAOIs have been reported to intensify the effects of at least one opioid drug causing anxiety, confusion and significant depression of respiration or coma. The use of propoxyphene is not recommended for patients taking MAOIs or within 14 days of stopping such treatment.

Carcinogenesis, Mutagenesis, Impairment of Fertility

The mutagenic and carcinogenic potential of propoxyphene has not been evaluated.

In animal studies there was no effect of propoxyphene on mating behavior, fertility, duration of gestation or parturition when rats were fed propoxyphene as a component of their daily diet at estimated daily propoxyphene intake up to 8-fold greater than the maximum human equivalent dose (HED) based on body surface area comparison. At this highest dose, fetal weight and survival on postnatal day 4 was reduced

PregnancyRisk SummaryPregnancy Category C

There are no adequate and well controlled studies of propoxyphene in pregnant women. While there are limited data in the published literature, adequate animal reproduction studies have not been conducted with propoxyphene. Therefore, it is not known whether propoxyphene can affect reproduction or cause fetal harm when administered to a pregnant woman. Propoxyphene should be given to a pregnant woman only if clearly needed.

Clinical Considerations

Propoxyphene and its major metabolite, norpropoxyphene, cross the human placenta. Neonates whose mothers have taken opiates chronically may exhibit respiratory depression or withdrawal symptoms.

Data

In published animal reproduction studies, no teratogenic effects occurred in offspring born to pregnant rats or rabbits that received propoxyphene during organogenesis. Pregnant animals received propoxyphene doses approximately 10-fold (rats) and 4-fold (rabbits) the maximum recommended human dose (based on mg/m2 body surface area comparison).

Nursing Mothers

Propoxyphene, norpropoxyphene (major metabolite), are excreted in human milk. Published studies of nursing mothers using propoxyphene detected no adverse effects in nursing infants. Based on a study of six mother-infant pairs, an exclusively breastfed infant receives approximately 2% of the maternal weight-adjusted dose. Norpropoxyphene is renally excreted and renal clearance is lower in neonates than in adults. Therefore, it is possible that prolonged maternal propoxyphene use could result in norpropoxyphene accumulation in a breastfed infant. Watch breast-feeding infants for signs of sedation including poor feeding, somnolence or respiratory depression. Caution should be exercised when propoxyphene is administered to a nursing woman.

Pediatric Use

Safety and effectiveness in pediatric patients have not been established.

Elderly Patients

Clinical studies of propoxyphene did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. However, post-marketing reports suggest that patients over the age of 65 may be more susceptible to CNS-related side effects. Therefore, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal or cardiac function, and of concomitant disease or other drug therapy. Decreased total daily dosage should be considered (see DOSAGE AND ADMINISTRATION).

ADVERSE REACTIONS

In hospitalized patients, the most frequently reported were dizziness, sedation, nausea and vomiting. Other adverse reactions include constipation, abdominal pain, skin rashes, lightheadedness, headache, weakness, euphoria, dysphoria, hallucinations and minor visual disturbances.

The most frequently reported post-marketing adverse events have included completed suicide, accidental and intentional overdose, drug dependence, cardiac arrest, coma, drug ineffective, drug toxicity, nausea, respiratory arrest, cardio-respiratory arrest, death, vomiting, dizziness, convulsion, confusional state and diarrhea.

Additional adverse experiences reported through post-marketing surveillance include:

Cardiac Disorders: arrhythmia, bradycardia, cardiac/respiratory arrest, congestive arrest, congestive heart failure (CHF), tachycardia, myocardial infarction (MI)

Eye Disorder: eye swelling, vision blurred

General Disorder and Administration Site Conditions: drug interaction, drug tolerance, drug withdrawal syndrome

Gastrointestinal Disorder: gastrointestinal bleed, acute pancreatitis

Hepatobiliary Disorder: hepatic steatosis, hepatomegaly, hepatocellular injury

Immune System Disorder: hypersensitivity

Injury Poisoning and Procedural Complications: drug toxicity, hip fracture, multiple drug overdose, narcotic overdose

Investigations: blood pressure decreased, heart rate elevated/abnormal

Metabolism and Nutrition Disorder: metabolic acidosis

Nervous System Disorder: ataxia, coma, dizziness, somnolence, syncope

Psychiatric: abnormal behavior, confusional state, hallucinations, mental status change

Respiratory, Thoracic and Mediastinal Disorders: respiratory depression, dyspnoea

Skin and Subcutaneous Tissue Disorder: rash, itch.

Liver dysfunction has been reported in association with propoxyphene. Propoxyphene therapy has been associated with abnormal liver function tests and, more rarely, with instances of reversible jaundice (including cholestatic jaundice).

Subacute painful myopathy has been reported following chronic propoxyphene overdosage.

OVERDOSAGE

Overdose of propoxyphene may present with the signs and symptoms of propoxyphene overdose. Fatalities within the first hour of overdosage are not uncommon.

In all cases of suspected overdosage, call your regional Poison Control Center to obtain the most up-to-date information about the treatment of overdose. This recommendation is made because, in general, information regarding the treatment of overdosage may change more rapidly than do package inserts.

Initial consideration should be given to the management of the CNS effects of propoxyphene overdosage. Resuscitative measures should be initiated promptly.

Symptoms of Propoxyphene Overdosage

The manifestations of acute overdosage with propoxyphene are those of narcotic overdosage. The patient is usually somnolent but may be stuporous or comatose and convulsing. Respiratory depression is characteristic. The ventilatory rate and/or tidal volume is decreased, which results in cyanosis and hypoxia. Pupils, initially pinpoint, may become dilated as hypoxia increases. Cheyne-Stokes respiration and apnea may occur. Blood pressure and heart rate are usually normal initially, but blood pressure falls and cardiac performance deteriorates, which ultimately results in pulmonary edema and circulatory collapse, unless the respiratory depression is corrected and adequate ventilation is restored promptly. Cardiac arrhythmias and conduction delay may be present. A combined respiratory-metabolic acidosis occurs owing to retained CO2 (hypercapnia) and to lactic acid formed during anaerobic glycolysis. Acidosis may be severe if large amounts of salicylates have also been ingested. Death may occur.

Treatment of Propoxyphene Overdosage

Attention should be directed first to establishing a patent airway and to restoring ventilation. Mechanically assisted ventilation, with or without oxygen, may be required, and positive pressure respiration may be desirable if pulmonary edema is present. The opioid antagonist naloxone will markedly reduce the degree of respiratory depression, and should be administered promptly, preferably intravenously. The duration of action of the antagonist may be brief. If no response is observed after 10 mg of naloxone have been administered, the diagnosis of propoxyphene toxicity should be questioned.

In addition to the use of an opioid antagonist, the patient may require careful titration with an anticonvulsant to control convulsions. Activated charcoal can adsorb a significant amount of ingested propoxyphene. Dialysis is of little value in poisoning due to propoxyphene. Efforts should be made to determine whether other agents, such as alcohol, barbiturates, tranquilizers or other CNS depressants, were also ingested, since these increase CNS depression as well as cause specific toxic effects or death.

DOSAGE AND ADMINISTRATION

Propoxyphene hydrochloride capsules are intended for the management of mild to moderate pain. The dose should be individually adjusted according to severity of pain, patient response and patient size.

Propoxyphene hydrochloride capsules are given orally. The usual dosage is one 65 mg propoxyphene hydrochloride capsule every 4 hours as needed for pain. The maximum dose of propoxyphene hydrochloride capsules is 6 capsules per day. Do not exceed the maximum daily dose.

Patients receiving propoxyphene and any CYP3A4 inhibitor should be carefully monitored for an extended period of time and dosage adjustments should be made if warranted.

Consideration should be given to a reduced total daily dosage in elderly patients and in patients with hepatic or renal impairment.

Cessation of Therapy

For patients who used propoxyphene hydrochloride capsules on a regular basis for a period of time, when therapy with propoxyphene hydrochloride capsules is no longer needed for the treatment of their pain, it may be useful to gradually discontinue the propoxyphene hydrochloride capsules over time to prevent the development of an opioid abstinence syndrome (narcotic withdrawal). In general, therapy can be decreased by 25% to 50% per day with careful monitoring for signs and symptoms of withdrawal (see DRUG ABUSE AND DEPENDENCE  for description of the signs and symptoms of withdrawal). If the patient develops these signs or symptoms, the dose should be raised to the previous level and titrated down more slowly, either by increasing the interval between decreases, decreasing the amount of change in dose, or both.

HOW SUPPLIED

Propoxyphene Hydrochloride Capsules, USP are available containing 65 mg of propoxyphene hydrochloride, USP.

The 65 mg capsule is a hard-shell hypromellose capsule with a rose opaque cap and a rose opaque body, axially printed with MYLAN over 7065 in black ink on both the cap and the body. The capsule is filled with white to off-white powder. They are available as follows:

NDC 0378-7065-01
bottles of 100 capsules

NDC 0378-7065-05
bottles of 500 capsules

Store at 20º to 25ºC (68º to 77ºF). [See USP Controlled Room Temperature.]

Dispense in a tight, light-resistant container as defined in the USP using a child-resistant closure.

WARNINGS

PROPOXYPHENE HYDROCHLORIDE - propoxyphene hydrochloride capsule 
Mylan Pharmaceuticals Inc.

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MEDICATION GUIDE
PROPOXYPHENE HYDROCHLORIDE CAPSULES, USP

Read this Medication Guide before you start taking propoxyphene hydrochloride capsules, and each time you get a refill. There may be new information. This information does not take the place of talking to your doctor about your medical condition or your treatment.

What is the most important information I should know about propoxyphene hydrochloride capsules?

Propoxyphene hydrochloride capsules and other medicines that contain propoxyphene can cause serious side effects, including:

Overdoses by accident or on purpose (intentional overdose). Overdoses with propoxyphene hydrochloride capsules may happen when it is taken by itself, or with alcohol or other medicines that can also decrease your breathing and make you very sleepy.

Take propoxyphene hydrochloride capsules exactly as prescribed. Do not change your dose or stop taking propoxyphene hydrochloride capsules without first talking to your doctor.

What are propoxyphene hydrochloride capsules?

It is not known if propoxyphene hydrochloride capsules are safe and effective in children younger than age 18.

Who should not take propoxyphene hydrochloride capsules?

Do not take propoxyphene hydrochloride capsules if you:

What should I tell my doctor before taking propoxyphene hydrochloride capsules?

Before you take propoxyphene hydrochloride capsules, tell your doctor:

Tell your doctor about all the medicines you take, including prescription, and nonprescription medicines, vitamins and herbal supplements. Propoxyphene hydrochloride capsules interact with many medicines and may lead to serious side effects. The doses of certain medicines may need to be changed.
 

Especially tell your doctor if you take:

See “What is the most important information I should know about propoxyphene hydrochloride capsules?”

Ask your doctor or pharmacist if you are not sure if your medicine is one listed above.

Know the medicines you take. Keep a list of them to show to your doctor and pharmacist when you get a new medicine.

How should I take propoxyphene hydrochloride capsules?

See “What is the most important information I should know about propoxyphene hydrochloride capsules?”

Signs and symptoms of an overdose of propoxyphene hydrochloride capsules include:

What are the possible side effects of propoxyphene hydrochloride capsules?

Propoxyphene hydrochloride capsules can cause serious side effects, including:

See “What is the most important information I should know about propoxyphene hydrochloride capsules?”

Common side effects of propoxyphene hydrochloride capsules include:

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

You may also report side effects to Mylan Pharmaceuticals, Inc. at 1-877-446-3679 (1-877-4-INFO-RX).

How should I store propoxyphene hydrochloride capsules?

Keep propoxyphene hydrochloride capsules and all medicines out of the reach of children.

General information about propoxyphene hydrochloride capsules

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use propoxyphene hydrochloride capsules  for a purpose for which it was not prescribed. Do not give propoxyphene hydrochloride capsules  to others even if they have the same symptoms you have. It may harm them and is against the law.

This Medication Guide summarizes the most important information about propoxyphene hydrochloride capsules. If you would like more information, talk with your doctor. You can ask your pharmacist or doctor for information about propoxyphene hydrochloride capsules  that is written for health professionals. For more information, call Mylan Pharmaceuticals, Inc. at 1-877-446-3679 (1-877-4-INFO-RX).

What are the ingredients in propoxyphene hydrochloride capsules, USP?

Active ingredient: propoxyphene hydrochloride, USP

Inactive ingredients: anhydrous lactose, magnesium stearate, microcrystalline cellulose, pregelatinized starch and sodium lauryl sulfate. The empty hard-shell hypromellose capsule shells contain carnauba wax, carrageenan, hypromellose, potassium chloride, synthetic red iron oxide and titanium dioxide. In addition, the imprinting ink contains black iron oxide, potassium hydroxide, propylene glycol, shellac and strong ammonia solution.

This Medication Guide has been approved by the U.S. Food and Drug Administration.

Mylan Pharmaceuticals Inc.
Morgantown, WV 26505

OCTOBER 2009
MG:PHCL:R1

Revised: 10/2009Mylan Pharmaceuticals Inc.

propoxyphene65mg

Image of Label

PROPOXYPHENE 
propoxyphene hydrochloride capsule
Product Information
Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC:16590-198(NDC:0378-7065)
Route of AdministrationORALDEA ScheduleCIV    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
PROPOXYPHENE HYDROCHLORIDE (UNII: CB2TL9PS0T) (PROPOXYPHENE - UNII:S2F83W92TK) PROPOXYPHENE HYDROCHLORIDE 65 mg
Product Characteristics
ColorpinkScoreno score
ShapeCAPSULESize16mm
FlavorImprint Code MYLAN;7065
Contains    
Packaging
#Item CodePackage DescriptionMarketing Start DateMarketing End Date
1NDC:16590-198-3030 in 1 BOTTLE
2NDC:16590-198-9090 in 1 BOTTLE
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
ANDAANDA04056910/27/2009
Labeler - Stat Rx USA (786036330)

Revised: 10/2009
Document Id: 785b0801-a724-42b2-a5f8-85562107ffc3
Set id: f60e8f65-a12b-4073-ac0f-81e1186617d7
Version: 1
Effective Time: 20091027
 
Stat Rx USA