Levulan Kerastick Side Effects

Generic Name: aminolevulinic acid topical

Note: This page contains side effects data for the generic drug aminolevulinic acid topical. It is possible that some of the dosage forms included below may not apply to the brand name Levulan Kerastick.

It is possible that some side effects of Levulan Kerastick may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to aminolevulinic acid topical: topical kit, topical solution, topical stick

Along with its needed effects, aminolevulinic acid topical (the active ingredient contained in Levulan Kerastick) 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 while taking aminolevulinic acid topical:

Less common
  • Bleeding

Some side effects of aminolevulinic acid topical 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:

More common
  • Burning, crawling, itching, numbness, prickling, “pins and needles,” stinging, or tingling feelings
  • darkening of treated skin
  • lightening of treated skin
  • scaling or crusting
  • skin sore
  • small red raised itchy bumps
  • swelling of skin
Less common
  • Blister
  • oozing
  • open sore on skin
  • pain
  • pus filled blister or pimple
  • raw skin
  • scabbing
  • tenderness.

For Healthcare Professionals

Applies to aminolevulinic acid topical: topical solution


Very common (10% or more): Scaling/Crusting, hypo-/hyper-pigmentation, erosion, itching
Common (1% to 10%): Wheal/flare, skin disorders NOS, ulceration, bleeding/hemorrhage, vesiculation, pustules, dysesthesia, scabbing, excoriation, oozing, pain, tenderness, edema

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