What are the possible side effects of Lioresal (Baclofen)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: seizure (convulsions) confusion, hallucinations; or an uneven heartbeat Less serious side effects may include: drowsiness, dizziness, weakness, tired feeling headache sleep problems (insomnia) nausea, constipation; or urinating more often than usual This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.