What is methyl aminolevulinate (topical)?
Methyl aminolevulinate makes your skin more sensitive to light. It works by causing a reaction
with light that can destroy certain types of diseased skin cells.
Methyl aminolevulinate topical (for the skin) is used in combination with red light therapy to treat
a skin condition called actinic keratosis of the face and scalp.
Methyl aminolevulinate may also be used for other purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking methyl aminolevulinate (topical)?
You should not use this medication if you are allergic to methyl aminolevulinate, or if you
have:
-
an allergy to peanuts or almonds;
-
an allergy to porphyrins; or
-
if your skin is especially sensitive to light.
Before you are treated with methyl aminolevulinate, tell your doctor about all
of your medical conditions.
FDA pregnancy category C. It is not known whether methyl aminolevulinate is harmful to
an unborn baby. Before taking this medication, tell your doctor if you are pregnant or plan to become
pregnant during treatment.
It is not known whether methyl aminolevulinate passes into breast milk or if it could harm a
nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take methyl aminolevulinate (topical)?
Methyl aminolevulinate topical is a cream that is applied to actinic keratosis skin lesions prior to
red light treatment. Your doctor, nurse, or other healthcare provider will prepare your skin and apply
this medication in a clinic setting.
Prior to application of methyl aminolevulinate, your skin lesions will be gently scraped to remove
any scales or crusting. After the medication is applied, your caregiver will cover the treatment area with
a bandage. You will need to leave this bandage in place for 3 hours.
During this 3-hour period, avoid exposure to cold temperatures and sunlight or bright
indoor lights. Wear a wide-brimmed hat if you must be outdoors during this time.
After your bandaging is removed, any excess medication will be removed with a saline solution.
You will then be ready to receive the light treatment.
You will be given eye-wear to protect your eyes during red light treatment.
You may feel a slight stinging or burning during light therapy. Tell your caregivers if you have
any type of severe discomfort.
Methyl aminolevulinate and red light therapy is usually given in two sessions one week apart.
Your treatment schedule may be different. Follow your doctor's instructions.
It may take several weeks before you notice improvement in your skin condition. Your doctor
will need to check your treated skin 3 months after the end of your last treatment with methyl
aminolevulinate.
Your skin lesions may need to be treated more than once, and they may come back after
treatment. Talk to your doctor about the number of treatments needed to treat your condition.
What happens if I miss a dose of methyl aminolevulinate (topical)?
Since methyl aminolevulinate is applied only when needed prior to red light therapy, you will not
be on a dosing schedule.
Where can I get more information about methyl aminolevulinate (topical)?
Your pharmacist has information about methyl aminolevulinate (topical) written for health professionals that you may read.
What are the possible side effects of methyl aminolevulinate (topical)?
Get emergency medical help if you have any of these
signs of an allergic
reaction:
hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have severe stinging, burning, redness, oozing, or swelling of
treated skin areas, especially if you have these effects for longer than 3 weeks after treatment.
Less serious side effects may include:
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mild skin redness, warmth, burning, or swelling;
-
puffy eyes;
-
slight pain; or
-
itching, peeling, scabs or crusting of treated skin.
This is not a complete list of side effects and others may occur. Tell your
doctor about any unusual or bothersome side effect.
What is the most important information I should know about methyl aminolevulinate (topical)?
You should not use this medication if you are allergic to methyl aminolevulinate, porphyrins,
peanuts or almonds, or if your skin is especially sensitive to light.
Before you are treated with methyl aminolevulinate, tell your doctor about all of your medical
conditions. Also tell your doctor about all other medications you use, especially drugs that can make
your skin more sensitive to sunlight, such as certain antibiotics, heart or blood pressure medications,
diuretics (water pills), sulfa drugs, oral diabetes medications, or NSAID pain or arthritis medicines.
Methyl aminolevulinate is applied by a healthcare provider in a clinic setting.
For at least 48 hours after your treatment, avoid exposing treated skin to sunlight, sunlamps,
tanning beds, or other bright lights. Sunscreen is not effective enough to protect treated skin from harm
caused by bring light during this time. Wear protective clothing whenever you are outdoors.
Call your doctor at once if you have severe stinging, burning, redness, oozing, or swelling of
treated skin areas, especially if you have these effects for longer than 3 weeks after treatment.
It may take several weeks before you notice improvement in your skin condition. Your doctor
will need to check your treated skin 3 months after the end of your last treatment with methyl
aminolevulinate.
Your skin lesions may need to be treated more than once, and they may come back after
treatment. Talk to your doctor about the number of treatments needed to treat your condition.
What should I avoid while taking methyl aminolevulinate (topical)?
Tell your caregivers right away if any of this medication gets into your eyes, mouth, or nose.
Avoid touching the treated skin areas after methyl aminolevulinate cream has been applied
to them. Special gloves must be worn by the healthcare provider while applying this medication, and
you should not allow your own fingers to come into contact with the cream on your skin.
For at least 48 hours after your treatment, avoid exposing treated skin to sunlight, sunlamps,
tanning beds, or other bright lights. Sunscreen is not effective enough to protect treated skin from harm
caused by bring light during this time. Wear protective clothing whenever you are outdoors.
Even if you do not receive the light therapy portion of your treatment, you must still protect your
skin from light for 48 hours after the cream was applied.
What other drugs will affect methyl aminolevulinate (topical)?
Tell your doctor about all other medications you use, especially drugs that can make your skin
more sensitive to sunlight, such as:
-
amiodarone (Cordarone, Pacerone);
-
diabetes medications you take by mouth;
-
diltiazem (Tiazac, Cartia, Cardizem);
-
furosemide (Lasix);
-
porfimer (Photofrin);
-
quinidine (Quinaglute, Quinidex, Quin-Release);
-
tacrolimus (Prograf);
-
verteporfin (Visudyne);
-
an ACE inhibitor such as benazepril (Lotensin), captopril
(Capoten), fosinopril (Monopril), enalapril (Vasotec), lisinopril (Prinivil, Zestril), moexipril
(Univasc), perindopril (Aceon), quinapril (Accupril), ramipril (Altace), or trandolapril (Mavik);
-
an antibiotic such as ciprofloxacin (Cipro), doxycycline
(Adoxa, Doryx, Oracea, Vibramycin), minocycline (Dynacin, Minocin, Solodyn, Vectrin),
levofloxacin (Levaquin), ofloxacin (Floxin), norfloxacin (Noroxin), tetracycline (Brodspec,
Panmycin, Sumycin, Tetracap);
-
a diuretic (water pill) such as hydrochlorothiazide (HCTZ),
contained in Aldoril, Atacand, Capozide, HydroDiuril, Hyzaar, Lopressor, Lotensin, Moduretic,
Monopril, Tekturna, Teveten, Vaseretic, Zestoretic, Ziac, and others;
-
an NSAID (non-steroidal anti-inflammatory drug) such as
ibuprofen (Motrin, Advil), naproxen (Aleve, Naprosyn), diclofenac (Cataflam, Voltaren),
etodolac (Lodine), indomethacin (Indocin), ketoprofen (Orudis), and others; or
-
a sulfa drug (such as Bactrim, Septra, SMX-TMP, and
others).
This list is not complete and there may be other drugs that can interact with
methyl aminolevulinate. Tell your doctor about all your prescription and over-the-counter medications,
vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new
medication without telling your doctor.
What happens if I have an overdose of methyl aminolevulinate (topical)?