DRUG INTERACTIONS: Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: barbiturates (e.g., pentobarbital, phenobarbital), "blood thinners" (anticoagulants such as heparin, warfarin), corticosteroids (e.g., prednisone), estrogens.

Do not start or stop any medicine without doctor or pharmacist approval.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: signs of kidney problems (such as change in the amount of urine).

NOTES: Laboratory and/or medical tests (e.g., blood tests, urine tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

This drug will not fix nerve damage that can occur with untreated acute porphyria attacks. If given early enough, though, it can decrease the amount of permanent nerve damage.

MISSED DOSE: If you miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.

STORAGE: Not applicable. This medication is given in a hospital or clinic and will not be stored at home.

MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).

Information last revised June 2010. Copyright(c) 2010 First Databank, Inc.