VIDEX EC

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Generic Name for VIDEX EC

Didanosine 125mg, 200mg, 250mg, 400mg; e-c delayed-release caps.

Legal Classification:

Rx

Pharmacological Class for VIDEX EC

Nucleoside analogue (reverse transcriptase inhibitor).

Manufacturer of VIDEX EC

Bristol-Myers Squibb Virology

Indications for VIDEX EC

HIV-1 infection.

Adults and Children:

Take once daily on an empty stomach; swallow whole. <20kg: use oral soln. 20kg to <25kg: 200mg. 25kg to <60kg: 250mg. ≥60kg: 400mg. Renal impairment (CrCl 30–59mL/min): <60kg: 125mg. ≥60kg: 200mg. CrCl 10–29mL/min: 125mg. CrCl <10mL/min or dialysis: <60kg: use oral soln; ≥60kg: 125mg.

Also:

Contraindications for VIDEX EC

Concomitant allopurinol or ribavirin.

Precautions for VIDEX EC

Suspend if signs or symptoms of pancreatitis (discontinue if confirmed), lactic acidosis, or hepatotoxicity (eg, hepatomegaly or steatosis) occurs. Increased risk of pancreatitis (eg, alcohol abuse, advanced HIV disease, elderly, renal impairment); monitor. Women, obesity, or prolonged nucleoside exposure: increased risk of toxicity. Advanced HIV disease, history of neuropathy, or concomitant neurotoxic drugs: consider reducing dose or discontinuing if peripheral neuropathy occurs. Monitor for non-cirrhotic portal hypertension; discontinue if occurs. Hepatic dysfunction. Hyperuricemia. Do periodic retinal exam. Elderly. Pregnancy (Cat.B); monitor for lactic acidosis if used with stavudine. Nursing mothers: not recommended.

Interactions for VIDEX EC

See Contraindications. Avoid with hydroxyurea and stavudine. Potentiated by ganciclovir, tenofovir (reduce dose of didanosine; monitor). Antagonized by methadone. For pediatric pwd: caution with magnesium- or aluminum-containing antacids. Separate dosing of delavirdine, indinavir, nelfinavir by 1 hour; give drugs affected by gastric pH (eg, ketoconazole, itraconazole) 2 hours prior. May antagonize quinolones, tetracyclines. Give at least 6 hours before or 2 hours after ciprofloxacin. See literature for dosing with concomitant tenofovir.

Adverse Reactions for VIDEX EC

GI disturbances, headache, rash; elevated liver enzymes, amylase, and lipase; pancreatitis, lactic acidosis/hepatomegaly with steatosis, retinal changes, optic neuritis, peripheral neuropathy, hyperuricemia, fat redistribution, immune reconstitution syndrome, non-cirrhotic portal hypertension.

How is VIDEX EC supplied?

EC caps—30
Pediatric pwd (bottles)—120mL, 240mL

Related Disease:

HIV~antivirals

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