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What is it? Overview Usage Side Effects and Warnings

Methoxsalen Overview

Written by FoundHealth.

(meth OKS a len)

U.S. Brand Names

8-MOP®; Oxsoralen-Ultra®; Oxsoralen®; Uvadex®

Canadian Brand Names

Oxsoralen-Ultra®; Oxsoralen®; Ultramop™; Uvadex®

Mexican Brand Names


Pharmacologic Category


What key warnings should I know about before taking this medicine?

• Severe burns can occur if this medicine is not used correctly. Follow healthcare provider's directions closely.

• There are different brands of this medicine. One brand cannot safely be exchanged for another. Any change must be directed by healthcare provider.

Reasons not to take this medicine

• Do not give this medicine to a child younger than 12 years of age.

• If you have an allergy to methoxsalen or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

• If you have any of the following conditions: Melanoma or squamous cell cancer.

• If you sunburn easily.

• If you are pregnant or may be pregnant.

• If you are breast-feeding.

How does it work?

• Methoxsalen increases skin color.

• It increases the sensitivity of the skin to light therapy.

• It injures cancer cells causing their death.

• It reduces irritation.

How is it best taken?


• Take this medicine 2 hours before exposure to UV light.

• Take this medicine with food.

• Avoid eating foods such as carrots, celery, cloves, figs, lemons, limes, mustard, or parsley.


• Use a rubber glove to apply.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Call healthcare provider for instructions.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Follow up with healthcare provider.

How should I store this medicine?

• Store at room temperature.

• Protect capsules and gelcaps from moisture. Do not store in a bathroom or kitchen.

• This medicine will be applied in a healthcare setting. You will not store it at home.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2005-04-07 16:58:55.0

Modified: 2010-03-09 08:26:03.0

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