What side effects may I notice from receiving Minoxidil?

Side effects that you should report to your doctor or health care professional as soon as possible:
-chest pain or palpitations
-dizziness or fainting
-skin rash, blisters, or itching
-sudden weight gain
-swelling of the hands or feet

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-headache
-redness, irritation and itching at the site of application
-unusual hair growth, on the face, arm, and back

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