Highlights for methoxsalen
methoxsalen Side Effects
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- changes in vision
- swelling of feet or hands
- unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- increased sensitivity to the sun
- itching, dry skin
- leg cramps
- skin thinning or wrinkles
- trouble sleeping
methoxsalen May Interact with Other Medications
- coal tar
- diuretics like hydrochlorothiazide
- medical dyes like methylene blue, toluidine blue, rose bengal, methyl orange
- medicines for seizures like ethotoin, fosphenytoin, phenytoin
- nalidixic acid
- phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
- retinoids like bexarotene, tazarotene, tretinoin
- some antibiotics like ciprofloxacin, sulfamethoxazole, tetracycline
- some bacteriostatic soaps
How to Use methoxsalen
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. If this medicine upsets your stomach, you may take it with low-fat food or milk, or you may divide your dose and take it in 2 portions (30 minutes apart). Follow your doctor's directions. Do not take it more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
They need to know if you have any of these conditions:
- eye problems like cataracts or aphakia
- heart disease
- liver disease
- history of arsenic therapy
- history of x-ray therapy
- skin cancer
- skin photosensitivity problems
- an unusual or allergic reaction to methoxsalen, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.
Visit your doctor or health care professional for regular check ups. See your eye doctor regularly. Report any changes in your vision right away.
This medicine may increase your chance of getting cancer. Talk to your doctor about your risk. See a doctor for regular cancer checks as directed.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths. Stay out of the sun for 24 hours before a UV treatment and at least 8 hours after taking this medicine, or as directed by your doctor.
For 24 hours after you take this medicine, wear wrap-around sunglasses that block all UV light whenever you can see any sunlight.
Do not switch between hard- and soft-gelatin capsules of this medicine. This may change the timing of your UV treatment.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.
Last Updated: July 6, 2009