Do not use Baclofen if:

• you are allergic to any ingredient in Baclofen.

• Baclofen may cause drowsiness, dizziness, blurred vision, or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Baclofen with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Do not drink alcohol or use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Baclofen; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
• Baclofen is not recommended for use in children younger than 12 years of age; safety and effectiveness in these children have not been confirmed.
• Pregnancy and breast-feeding: If you become pregnant, contact your doctor . You will need to discuss the benefits and risks of using Baclofen during while you are pregnant. It is not known if Baclofen is found in breast milk. Do not breast-feed while taking Baclofen.

Check with your doctor if any of these most common side effects persist or become bothersome:

• constipation; dizziness; drowsiness; fatigue; headache; nausea; sleeplessness.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; confusion; frequent urination; increased weakness of arms or legs; seizures; slurred speech; sore throat; vomiting.

Baclofen is to be used only by the patient for whom it is prescribed. Do not share it with other people.
If your symptoms do not improve or if they become worse, check with your doctor.