Proper Use

Drug information provided by: Micromedex

Eating certain foods while you are using methoxsalen may increase your skin's sensitivity to sunlight. To help prevent this, avoid eating limes, figs, parsley, parsnips, mustard, carrots, and celery while you are being treated with this medicine.

Use this medicine only under the direct supervision of your doctor.

After UVA exposure, wash the treated area of skin with soap and water. Then use a sunscreen or wear protective clothing to protect the area.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For topical solution dosage form:
    • For vitiligo:
      • Adults and children 12 years of age and over—Apply to the affected area of the skin and allow to dry for one to two minutes, then apply again within two to two and one-half hours before UVA exposure.
      • Children under 12 years of age—Use and dose must be determined by your doctor.