What side effects may I notice from receiving Robaxin?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-breathing problems
-confusion
-pain, redness, or irritation at the site where injected
-seizures
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-dizziness
-headache
-metallic taste
-tiredness
-upset stomach

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