Most common side effects of Baclofen include back pain,dizziness, drowsiness, fatigue,headache, itching,muscle weakness, nausea, and problems urinating. You can also have severe allergic reactions to Baclofen also, including:rash, hives, difficulty breathing,chills and seizures. If you have any of these symptoms, you must see your Doctor. Do not ignore the side effects.
Baclofen is a muscle relaxant often used for people with MS. The serious side effects of this drug include the possibility of seizures, confusion, hallucinations, or an irregular heartbeat. More minor side effects include weakness and tiredness, headaches, the inability to sleep, feeling sick to your stomach, frequent urination and having difficulty passing stools.
The serious side effects can include: seizure, confusion, hallucinations, and an uneven heartbeat. More common but less serious effects are: drowsiness, headache, insomnia, nausea, constipation, and dizziness.
Baclofen can cause drowsiness, weakness, headaches,low blood pressure, siezures, nausea, vomiting, dizziness,constipation,respiratory depression, inability to sleep and urinary frequency or urinary retention.Abrupt discontinuation of oral baclofen may cause seizures and hallucinations.
The most common side effect of oral baclofen tablets, according to the prescribing information, is transient drowsiness. The transient drowsiness is experienced in 10% to 63% of patients. Other common side effects include dizziness, weakness, and fatigue. Other reported side effects include: hypotension, nausea, constipation, urinary frequency, confusion, headache, and insomnia.
The main side effect is that it may slow your reactions and thinking time so take care if you are doing anything which requires you to be alert for example, driving. This means that you must avoid drinking alcohol as this will further enhance these effects.