Alpha-lipoic acid Side Effects
Applies to alpha-lipoic acid: oral capsule, oral tablet
Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Although not all side effects are known, alpha-lipoic acid is thought to be possibly safe when taken as directed.
Stop taking alpha-lipoic acid and call your doctor at once if you have:
low blood sugar--headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling jittery; or
a light-headed feeling, like you might pass out.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
Some side effects may not be reported. You may report them to the FDA.