Oxsoralen

• Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
• Very bad burns may happen if Oxsoralen is not used the right way. Follow what your doctor told you to do closely.
• Do not go over the time you are told to use.
• Sun or UV rays may age the skin and raise the chance of skin cancer.
• You will need to wear special sunglasses during and for 24 hours after care. Protect lips with lipstick that has sunscreen. Talk with your doctor.
• You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun. Keep protecting yourself from sunburn for as long as you were told by your doctor.
• It may take several months to see full effect.
• Talk with your doctor before you use other drugs or products on your skin.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Skin irritation.
• Itching.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

Oxsoralen Lotion is a clear, colorless to straw colored liquid with an odor of acetone. Each ml. of Oxsoralen Lotion contains 10 mg. methoxsalen in an inert vehicle containing alcohol (71% v/v), propylene glycol, acetone, and purified water.

Methoxsalen occurs as white to pale yellow crystals and can be obtained naturally from seeds of Ammi majus and roots of Heracleum Candicans or through synthesis. Methoxsalen is practically insoluble in water, sparingly soluble in ether, soluble in ether, soluble in acetone and acetic acid, freely soluble in chloroform. The chemical name of methoxsalen is 9-methoxy-7H-furo (3, 2g) (1)-benzopyran-7-one; its empirical formula is C12H804 andthe molecular weight is 216.19. The structural formula is: