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HOW TO USE: This medication is applied by a health care professional to affected areas of the skin before your UVA light treatment.The frequency of treatment is based on your medical condition and response to treatment.After treatment with methoxsalen and UVA light, protect the treated area from sunlight (including sunlight through windows) for several days. This will prevent the treated area from getting too many UVA rays which could lead to sunburns. If you cannot avoid sunlight on the treated area, wear clothing over the area and/or sunscreen which blocks out UVA light. Consult your doctor or pharmacist for information on how long to protect the treated area and which sunscreen to use.You may start to see improvement in your skin color after a few weeks of treatment but it may take 6 to 9 months to get the full benefit. Tell your doctor if your condition does not improve after 3 months or if it worsens.

SIDE EFFECTS: Mild reddening of the treated area may occur. If this effect persists or worsens, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: severe reddening of the treated area, blistering/burning/peeling of the treated area.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using methoxsalen, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: conditions that make you sensitive to light (such as lupus, certain porphyrias, xeroderma pigmentosum, albinism), skin cancer (melanoma, basal cell or squamous cell carcinomas), coal tar/UVB treatment, radiation treatment, arsenic treatment.Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).This medication is not recommended for use during pregnancy. It may harm an unborn baby. Consult your doctor for more details.It is unknown if this medication passes into breast milk. Because of the possible risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.