What side effects may I notice from receiving L-methylfolate calcium?

Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions such as skin rash or itching, hives, swelling of the lips, mouth, tongue, or throat

This list may not describe all possible side effects for L-methylfolate calcium. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.