Aminolevulinic Acid Side Effects

Medically reviewed by Drugs.com. Last updated on Feb 10, 2025.

Applies to aminolevulinic acid: oral powder for reconstitution.

Important warnings This medicine can cause some serious health issues

For 48 hours after taking aminolevulinic acid, you will need to protect your skin from light, both sunlight and bright indoor light.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Your caregivers will watch you closely to make sure you do not have an allergic reaction, and to treat a reaction if it does occur.

Many side effects can occur up to 6 weeks after you took aminolevulinic acid. Call your doctor at once if you have:

• a light-headed feeling, like you might pass out;

• skin redness or swelling, raised red areas;

• skin rash, itching, or blistering;

• a seizure;

• chills; or

• trouble speaking or understanding what is said to you.

Common side effects may include:

• nausea, vomiting, diarrhea; or

• abnormal liver function tests (for up to 6 weeks after taking aminolevulinic acid).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Further information

Aminolevulinic acid side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer