DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: antioxidants (e.g., beta carotene, mannitol, dimethylsulfoxide-DMSO), "blood thinners" (e.g., aspirin, ticlopidine, warfarin), calcium channel blockers (e.g., diltiazem, verapamil), polymyxin B.

If your doctor has directed you to take low-dose aspirin for heart attack or stroke prevention (usually at dosages of 81-325 milligrams a day), you should continue taking it unless your doctor instructs you otherwise. Ask your doctor or pharmacist for more details.

Before using this medication, tell your doctor or pharmacist if you take any medicine that may make you more sensitive to light, especially: griseofulvin, phenothiazines (e.g., chlorpromazine), sulfa drugs (e.g., sulfamethoxazole, glyburide), tetracycline antibiotics (e.g., doxycycline, tetracycline), certain "water pills" (e.g., thiazide diuretics such as hydrochlorothiazide).

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. Canada residents can call a provincial poison control center.

NOTES: Your doctor will schedule periodic eye exams to monitor your progress or check for side effects.

MISSED DOSE: Not applicable.

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

Information last revised May 2012. Copyright(c) 2012 First Databank, Inc.