Brand name:
Oxsoralen (Oxsoralen (methoxsalen))
US Brand Names : 8-Mop
Oxsoralen-Ultra
Description
Oxsoralen (methoxsalen) belongs to the group of medicines called psoralens. It
is used along with ultraviolet light (found in sunlight and some special
lamps) in a treatment called PUVA to treat vitiligo, a disease in which
skin color is lost, and psoriasis, a skin condition associated with
red and scaly patches.
Oxsoralen (methoxsalen) is also used with ultraviolet light in the treatment of
white blood cells. This treatment is called photopheresis and is used
to treat the skin problems associated with mycosis fungoides, which
is a type of lymphoma.
Oxsoralen (methoxsalen) may also be used for other conditions as determined by
your doctor.
This medicine is available only with your doctor's prescription.
Once a medicine has been approved for marketing for a certain use,
experience may show that it is also useful for other medical problems.
Although these uses are not included in the product labeling, Oxsoralen (methoxsalen)
is used in certain patients with the following medical conditions:
Before Using Oxsoralen (methoxsalen)
In deciding to use a medicine, the risks of taking the medicine must
be weighed against the good it will do. This is a decision you and
your doctor will make. For this medicine, the following should be considered:
Oxsoralen (methoxsalen) is a very strong medicine that increases the skin's sensitivity
to sunlight. In addition to causing serious sunburns if not properly
used, it has been reported to increase the chance of skin cancer and
cataracts. Also, like too much sunlight, PUVA can cause premature aging
of the skin. Therefore, Oxsoralen (methoxsalen) should be used only as directed
and it should not be used simply for suntanning. Before using this
medicine, be sure that you have discussed its use with your doctor.
Allergies Oxsoralen (methoxsalen)
Tell your doctor if you have ever had any unusual or allergic reaction
to this medicine or any other medicines. Also tell your health care
professional if you have any other types of allergies, such as to foods,
dyes, preservatives, or animals. For non-prescription products, read
the label or package ingredients carefully.
Pediatric Oxsoralen (methoxsalen)
Some of the side effects are more likely to occur in children up to
12 years of age, since these children may be more sensitive to the
effects of Oxsoralen (methoxsalen).
Geriatric Oxsoralen (methoxsalen)
Many medicines have not been studied specifically in older people.
Therefore, it may not be known whether they work exactly the same way
they do in younger adults or if they cause different side effects or
problems in older people. There is no specific information comparing
use of Oxsoralen (methoxsalen) in the elderly with use in other age groups.
Pregnancy
Pregnancy Category Explanation
All Trimesters C Animal studies have shown an adverse effect and there are
no adequate studies in pregnant women OR no animal studies have been conducted
and there are no adequate studies in pregnant women.
Breastfeeding : There are no adequate studies in women for determining
infant risk when using this medication during breastfeeding. Weigh
the potential
benefits against the potential risks before taking this medication
while breastfeeding.
Drug Interactions :Although certain medicines should not be used together
at all, in other cases two different medicines may be used together
even if an
interaction might occur. In these cases, your doctor may want to change
the dose, or other precautions may be necessary. Tell your healthcare
professional if you are taking any other prescription or nonprescription
(over-the-counter [OTC]) medicine.
Other Interactions :Certain medicines should not be used at or around
the time of eating food or eating certain types of food since interactions
may occur.
Using alcohol or tobacco with certain medicines may also cause interactions
to occur. Discuss with your healthcare professional the use of your
medicine with food, alcohol, or tobacco.
Other Medical Problems:The presence of other medical problems may
affect the use of this medicine. Make sure you tell your doctor if
you have any other medical
problems, especially:
Allergy to sunlight (or family history of) or
Infection or
Lupus erythematosus or
Porphyria or
Skin cancer (history of) or
Skin conditions (other) or
Stomach problems—Use of PUVA may make the condition worse
Eye problems, such as cataracts or loss of the lens of the eye—The
light treatment may make the condition worse or may cause damage to
the eye
Heart or blood vessel disease (severe)—The heat or prolonged
standing associated with each light treatment may make the condition
worse . Liver disease—Condition may cause increased blood levels
of the medicine and cause an increase in side effects.
Proper Use:Eating certain foods while you are taking Oxsoralen (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.Oxsoralen (methoxsalen) usually
comes with patient directions. Read them carefully before using this
medicine.
This medicine may take 6 to 8 weeks to really help your condition.
Do not increase the amount of Oxsoralen (methoxsalen) you are taking
or spend extra time in the sunlight or under an ultraviolet lamp. This
will not make
the medicine act any more quickly and may result in a serious burn.If
this medicine upsets your stomach:
Patients taking the hard gelatin capsules may take them with food
or milk.
Patients taking the soft gelatin capsules may take them with low-fat food
or low-fat milk.
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.
Missed Dose
Call your doctor or pharmacist for instructions.
If you are late in taking, or miss taking, a dose of this medicine,
notify your doctor so your light treatment can be rescheduled. Remember
that exposure to sunlight or ultraviolet light must take place a certain
number of hours after you take the medicine or it will not work. For
patients taking the hard gelatin capsules, this is 2 to 4 hours. For
patients taking the soft gelatin capsules, this is 1½ to 2 hours.
If you have any questions about this, check with your doctor.
Storage : Store Oxsoralen (methoxsalen) in a closed container at room
temperature, away from heat, moisture, and direct light. Keep from
freezing.Keep out of the reach of children.Do not keep outdated medicine
or medicine no longer needed.
Precautions Oxsoralen (methoxsalen)
Your doctor should check your progress at regular visits to make sure
this medicine is working and that it does not cause unwanted effects.
Eye examinations should be included.This medicine increases the sensitivity
of your skin and lips to sunlight. Therefore, exposure to the sun,
even through window glass or on a cloudy
day, could cause a serious burn. If you must go out during the daylight
hours: Before each treatment, cover your skin for at least 24 hours
by wearing protective clothing, such as long-sleeved shirts, full-length
slacks, wide-brimmed hat, and gloves. In addition, protect your lips
with a special sun block lipstick that has a skin protection factor
(SPF) of at least 15. Check with your doctor before using sun block
products on other parts of your body before a treatment, since sun
block products should not be used on the areas of your skin that are
to be treated.
After each treatment, cover your skin for at least 8 hours by wearing protective
clothing. In addition, use a sun block product that has a skin protection factor
(SPF) of at least 15 on your lips and on those areas of your body that cannot
be covered.If you have any questions about this, check with your health care
professional.Your skin may continue to be sensitive to sunlight for some
time after treatment with this medicine. Use extra caution for at least
48 hours
following each treatment if you plan to spend any time in the sun.
In addition, do not sunbathe anytime during your course of treatment
with Oxsoralen (methoxsalen).
For 24 hours after you take each dose of Oxsoralen (methoxsalen), your eyes should
be protected during daylight hours with special wraparound sunglasses
that totally block or absorb ultraviolet light (ordinary sunglasses
are not adequate). This is to prevent cataracts. Your doctor will tell
you what kind of sunglasses to use. These glasses should be worn even
in indirect light, such as light coming through window glass or on
a cloudy day.
This medicine may cause your skin to become dry or itchy. However,
check with your doctor before applying anything to your skin to treat
this problem.
Side Effects Oxsoralen (methoxsalen)
Along with its needed effects, a medicine may cause some unwanted
effects. Although not all of these side effects may occur, if they
do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects
occur:
Blistering and peeling of skin ;
Reddened, sore skin Swelling (especially of feet or lower legs) .Some
side effects may occur that usually do not need medical attention. These side
effects
may go away during treatment as your body adjusts
to the medicine. Also, your health care professional may be able to
tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side
effects continue or are bothersome or if you have any questions about
them:
Treatment with this medicine usually causes a slight reddening of
your skin 24 to 48 hours after the treatment. This is an expected effect
and is no cause for concern. However, check with your doctor right
away if your skin becomes sore and red or blistered.
There is an increased risk of developing skin cancer after use of
Oxsoralen (methoxsalen). You should check your body regularly and show your doctor
any skin sores that do not heal, new skin growths, and skin growths
that have changed in the way they look or feel.
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