Didanosine, ddI delayed-release capsules

What is this medication?

DIDANOSINE, ddI (dye DAN oh seen) is an antiretroviral medicine. It is used with other medicines to treat HIV. This medicine is not a cure for HIV. This medicine can lower, but not fully prevent, the risk of spreading HIV to others.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Videx EC

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

• drink alcohol-containing drinks
• gout
• kidney disease
• liver disease
• pancreatitis
• tingling or numbness in the hands or feet
• an unusual or allergic reaction to didanosine, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medication?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take this medicine on an empty stomach, at least 30 minutes before or 2 hours after food. Do not take with food. Do not chew or crush. Take your medicine at regular intervals. Do not take your medicine more often than directed. For your anti-HIV therapy to work as well as possible, take each dose exactly as prescribed. Do not skip doses or stop your medicine even if you feel better. Skipping doses may make the HIV virus resistant to this medicine and other medicines. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

Do not take this medicine with the following medications:

• allopurinol
• ribavirin
• stavudine

This medicine may also interact with the following medications:

• delavirdine
• ganciclovir
• hydroxyurea
• indinavir
• itraconazole
• ketoconazole
• methadone
• some antibiotics like ciprofloxacin, levofloxacin, tetracycline
• tenofovir

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your doctor or health care professional for regular check ups. Discuss any new symptoms with your doctor. You will need to have important blood work done while on this medicine.

HIV is spread to others through sexual or blood contact. Talk to your doctor about how to stop the spread of HIV.

Do not treat severe stomach pain, nausea or vomiting with over-the-counter medicines. Contact your doctor.

Alcohol can increase the risk of developing severe side effects when taken with this medicine. Avoid alcoholic drinks.

What side effects may I notice from receiving this medication?

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips or tongue
• breathing problems
• changes in vision
• dizziness
• fast, irregular heartbeat
• muscle pain
• nausea, vomiting, unusual upset stomach or stomach pain
• pain, tingling, numbness in the hands or feet
• signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin
• signs of infection - fever or chills, cough, sore throat, pain or trouble passing urine
• unusual bleeding or bruising

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• diarrhea
• headache
• weight gain around waist, back, or thinning of face, arms, legs

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.