Medication Guide App

Alpha-lipoic acid Side Effects

Not all side effects for alpha-lipoic acid may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Applies to alpha-lipoic acid: oral capsule, oral tablet

Get emergency medical help if you have any of these signs of an allergic reaction while taking alpha-lipoic acid: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Tell your healthcare provider if you have any of these signs of low blood sugar while taking alpha-lipoic acid:

  • hunger, weakness, nausea, irritability, tremors;

  • drowsiness, dizziness, headache, blurred vision;

  • confusion, trouble concentrating;

  • sweating, fast heart rate; or

  • feeling like you might pass out.

Less serious side effects of alpha-lipoic acid may include:

  • upset stomach;

  • numbness or tingly feeling;

  • dizziness, tired feeling;

  • headache, muscle cramps; or

  • mild skin rash.

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

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