Alpha-lipoic acid Side Effects

Some side effects of alpha-lipoic acid may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

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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