Active Ingredient

Baclofen

Baclofen is a medication that helps relax muscles. It is commonly used to relieve muscle spasms and discomfort.

This medication is often prescribed for conditions affecting the nervous system, where muscle control is impaired.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Baclofen Brands

Baclosign

Strengths 10mg, 25mg

Baclofen

Strengths 10mg, 25mg

Fleqsuvy

Strengths 5mg

Baclofen Uses

Baclofen is typically used to treat muscle-related issues in various medical conditions.

Relief of muscle spasms
Treatment of spasticity due to multiple sclerosis
Management of spasticity resulting from spinal cord injuries
Alleviation of muscle stiffness in cerebral palsy

How Baclofen Works

Baclofen works by acting on the central nervous system to relax muscles. It mimics the action of a neurotransmitter called GABA, which helps to reduce nerve signals that lead to muscle tightness.

This action helps to ease muscle stiffness and improve movement.

By reducing muscle spasms, Baclofen can help improve comfort and mobility.

Common side effects of Baclofen

Not everyone experiences side effects from Baclofen, and many are mild and temporary.

Drowsiness
Dizziness
Nausea
Weakness
Fatigue
Headache

If you experience any serious or persistent symptoms, contact your doctor.

Frequently Asked Questions

What is Baclofen used for?

Baclofen is used to relieve muscle spasms and stiffness associated with conditions like multiple sclerosis and spinal cord injuries.

How long does Baclofen take to work?

Baclofen may start to relieve symptoms within a few hours, but the full effect can take several days to achieve.

Is Baclofen safe for long-term use?

Baclofen can be used long-term under medical supervision. Regular check-ups with your doctor are important to monitor its effectiveness and any side effects.

Can Baclofen be taken with other medications?

Baclofen may interact with other medications. It’s important to inform your doctor about all medications you are taking.

What should I do if I miss a dose of Baclofen?

If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and continue with your regular schedule.