Please note - some side effects for Baclofen may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Baclofen:

Back pain; constipation; diarrhea; dizziness; drowsiness; fatigue; headache; increased salivation; muscle weakness; nausea; vomiting.

Some of the most common side effects of baclofen include drowsiness, dizziness, and nausea. In most cases, side effects are mild and either don't require treatment or are easily treated. There are, however, a number of potentially serious side effects that should be reported immediately to a healthcare provider, such as chest pain, seizures, or hallucinations.