Which side effect should the nurse inform a client taking baclofen (Lioresal) for muscle spasms may occur?

Informed clients about side effects related to baclofen is crucial for ensuring safe and effective use of the medication. Drowsiness is a common side effect associated with baclofen due to its effects on the central nervous system. Baclofen acts as a muscle relaxant by inhibiting excessive activity of the nerves that cause muscle contractions. Because of its sedative properties, patients frequently report feeling drowsy, fatigued, or sedated when taking this medication.

Recognizing this side effect is especially important so that clients understand that they may experience decreased alertness or coordination, which could affect their ability to drive or operate machinery safely. Advising clients to avoid alcohol and other CNS depressants while taking baclofen is also a good practice because these substances can exacerbate sedation.

When informing clients about potential side effects, it's beneficial to provide reassurance that not everyone will experience drowsiness, but they should be prepared for the possibility and know to report any significant effects to their healthcare provider.