DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, especially of: sulfa or tetracycline antibiotics, water pills, griseofulvin, phenothiazines, coal tar products. Ingestion of certain foods may increase the risk of side effects of this medication. Use them sparingly, if at all, during therapy: limes, figs, carrots, celery, mustard, parsnips, parsley. Do not start or stop any medicine without doctor or pharmacist approval.

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 severe skin burns or blistering.

NOTES: Follow your doctors instructions closely for UV light exposure. Overexposure to sunlight or sunlamp can result in severe burns.

MISSED DOSE: If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom.