VIDEX EC- didanosine capsule, delayed release 
Bristol-Myers Squibb Company


Medication Guide

VIDEX® EC (VY-dex Ee-see)
(didanosine, also known as ddI)

Delayed-Release Capsules
Enteric-Coated Beadlets

Read this Medication Guide before you start taking VIDEX EC and each time you get a refill. There may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or your treatment. You and your healthcare provider should talk about your treatment with VIDEX EC before you start taking it and at regular check-ups. You should stay under your healthcare provider’s care when taking VIDEX EC.

What is the most important information I should know about VIDEX EC?

VIDEX EC may cause serious side effects, including:

1. Swelling of your pancreas (pancreatitis) that may cause death. Pancreatitis can happen at any time during your treatment with VIDEX EC. Before you start taking VIDEX EC, tell your healthcare provider if you:

have had pancreatitis
have advanced HIV (human immunodeficiency virus) infection
have kidney problems
drink alcoholic beverages
take a medicine called ZERIT ® (stavudine)

It is important to call your healthcare provider right away if you have:

stomach pain
swelling of your stomach
nausea and vomiting

2. Build-up of acid in your blood (lactic acidosis). Lactic acidosis must be treated in the hospital as it may cause death. Before you start taking VIDEX EC, tell your healthcare provider if you:

have liver problems
are pregnant. There have been deaths reported in pregnant women who get lactic acidosis after taking VIDEX EC and ZERIT (stavudine).
are overweight
have been treated for a long time with other medicines to treat HIV

It is important to call your healthcare provider right away if you:

feel weak or tired
have unusual (not normal) muscle pain
have trouble breathing
have stomach pain with nausea and vomiting
feel cold, especially in your arms and legs
feel dizzy or light-headed
have a fast or irregular heartbeat

3. Liver problems. Serious liver problems have happened in some people (including pregnant women) who take VIDEX EC. These problems include liver enlargement (hepatomegaly), fat in the liver (steatosis), liver failure, and high blood pressure in the large vein of the liver (portal hypertension). Severe liver problems can lead to liver transplantation or death in some people taking VIDEX EC. Your healthcare provider should check your liver function while you are taking VIDEX EC. You should be especially careful if you have a history of heavy alcohol use or liver problems.

It is important to call your healthcare provider right away if you have:

yellowing of your skin or the white of your eyes (jaundice)
dark urine
pain on the right side of your stomach
swelling of your stomach
easy bruising or bleeding
loss of appetite
nausea or vomiting
vomiting blood or dark colored stools (bowel movements)

What is VIDEX EC?

VIDEX EC is a prescription medicine used with other antiretroviral medicines to treat human immunodeficiency virus (HIV) infection in children and adults. VIDEX EC belongs to a class of drugs called nucleoside analogues.

VIDEX EC will not cure your HIV infection. At present there is no cure for HIV infection. Even while taking VIDEX EC, you may continue to have HIV-related illnesses, including infections with other disease-producing organisms. Continue to see your healthcare provider regularly and report any medical problems that occur.

Who should not take VIDEX EC?

Do not take VIDEX EC if you take:

ZYLOPRIM ®, LOPURIN ®, ALOPRIM ® (allopurinol)

What should I tell my healthcare provider before taking VIDEX EC?

Before you take VIDEX EC, tell your healthcare provider if you:

have or had kidney problems
have or had liver problems (such as hepatitis)
have or had persistent numbness, tingling, or pain in the hands or feet (neuropathy)
have any other medical conditions
are pregnant or plan to become pregnant. It is not known if VIDEX EC will harm your unborn baby. Tell your healthcare provider right away if you become pregnant while taking VIDEX EC. You and your healthcare provider will decide if you should take VIDEX EC while you are pregnant.
Pregnancy Registry: There is a pregnancy registry for women who take antiviral medicines during pregnancy. The purpose of the registry is to collect information about the health of you and your baby. Talk to your doctor about how you can take part in this registry.
are breastfeeding or plan to breastfeed. Do not breastfeed. It is not known if VIDEX EC can be passed to your baby in your breast milk and whether it could harm your baby. Also, mothers with HIV-1 should not breastfeed because HIV-1 can be passed to the baby in the breast milk.

Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins and herbal supplements. VIDEX EC may affect the way other medicines work, and other medicines may affect how VIDEX EC works.

Especially tell your healthcare provider if you take:

CYTOVENE ®, VALCYTE ® (ganciclovir)
VIRACEPT ® (nelfinavir)
VIREAD ® (tenofovir disoproxil fumarate)
alcoholic beverages

Know the medicines you take. Keep a list of your medicines and show it to your healthcare provider and pharmacist when you get a new medicine.

Ask your healthcare provider if you are not sure if you take one of the medicines listed above.

How should I take VIDEX EC?

Take VIDEX EC exactly as your healthcare provider tells you to take it.
Your healthcare provider will tell you how much VIDEX EC to take and when to take it.
Your healthcare provider may change your dose. Do not change your dose of VIDEX EC without talking to your healthcare provider.
Do not take VIDEX EC with food. Take VIDEX EC on an empty stomach.
Take VIDEX EC capsules whole. Do not break, crush, dissolve, or chew VIDEX EC capsules before swallowing. If you cannot swallow VIDEX EC capsules whole, tell your healthcare provider. You may need a different medicine.
Try not to miss a dose, but if you do, take it as soon as possible. If it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule.
Some medicines should not be taken at the same time of day that you take VIDEX EC. Check with your healthcare provider.
If your kidneys are not working well, your healthcare provider will need to do regular blood and urine tests to check how they are working while you take VIDEX EC. Your healthcare provider may also lower your dosage of VIDEX EC if your kidneys are not working well.
If you take too much VIDEX EC, contact a poison control center or emergency room right away.

What should I avoid while taking VIDEX EC?

Alcohol. Do not drink alcohol while taking VIDEX EC. Alcohol may increase your risk of getting pain and swelling of your pancreas (pancreatitis) or may damage your liver.

What are the possible side effects of VIDEX EC?

VIDEX EC can cause pancreatitis, lactic acidosis, and liver problems. See “What is the most important information I should know about VIDEX EC?” at the beginning of this Medication Guide.

Vision changes. You should have regular eye exams while taking VIDEX EC.
Peripheral neuropathy. Symptoms include: numbness, tingling, or pain in your hands or feet. This condition is more likely to happen in people who have had it before, in patients taking medicines that affect the nerves, and in people with advanced HIV disease. A child may not notice these symptoms. Ask the child’s healthcare provider for the signs and symptoms of peripheral neuropathy in children.
Changes in your immune system (immune reconstitution syndrome). Your immune system may get stronger and begin to fight infections that have been hidden in your body for a long time. Tell your healthcare provider if you start having new or worse symptoms of infection after you start taking HIV medicine.
Changes in body fat (fat redistribution). Changes in body fat have been seen in people who take antiretroviral medicines. These changes may include:
more fat in or around your
upper back and neck (buffalo hump)
breasts or chest
less fat in your

Tell your healthcare provider if you have any of the symptoms listed above.

The most common side effects of VIDEX EC include:

stomach pain

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of VIDEX EC. For more information, ask your healthcare provider or pharmacist.

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

How should I store VIDEX EC?

Store VIDEX EC capsules in a tightly closed container between 59° F to 86° F (15° C to 30° C)
Safely throw away any unused VIDEX EC

Keep VIDEX EC and all medicines out of the reach of children and pets.

General Information about the safe and effective use of VIDEX EC

Avoid doing things that can spread HIV-1 infection to others.

Do not share needles or other injection equipment.
Do not share personal items that can have blood or body fluids on them, like toothbrushes and razor blades.
Do not have any kind of sex without protection. Always practice safe sex by using a latex or polyurethane condom to lower the chance of sexual contact with semen, vaginal secretions, or blood.

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use VIDEX EC for a condition for which it was not prescribed. Do not give VIDEX EC to other people, even if they have the same symptoms as you have. It may harm them.

Do not keep medicine that is out of date or that you no longer need. Dispose of unused medicines through community take-back disposal programs when available or place VIDEX EC in an unrecognizable closed container in the household trash.

This Medication Guide summarizes the most important information about VIDEX EC. If you would like more information about VIDEX EC, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about VIDEX EC that is written for health professionals. For more information, go to or call 1-800-321-1335.

What are the ingredients in VIDEX EC?

Active Ingredients: didanosine

Inactive Ingredients:

Carboxymethylcellulose sodium 12, diethyl phthalate, methacrylic acid copolymer, sodium hydroxide, sodium starch glycolate, talc, gelatin, and titanium dioxide.

VIDEX® EC and Zerit® are registered trademarks of Bristol-Myers Squibb Company. All other trademarks are the property of their respective owners.

Distributed by:
Bristol-Myers Squibb Company
Princeton, NJ 08543 USA

Product of Japan

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


Revised August 2015

Revised: 8/2015
Bristol-Myers Squibb Company