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Medicines baclofenQuestion & answer

baclofen · Medicine question

Can Lioresal Intrathecal (baclofen) impair erection and ejaculation?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, Lioresal Intrathecal (baclofen) may impair erection and ejaculation, an effect usually reversible on withdrawal of treatment.

Sources for this answer

Lioresal IntrathecalNovartis Pharmaceuticals UK Ltd · emc · SmPC §4.8 Undesirable effects · Version 21Document updated 15 March 2024

Sources checked 8 November 2026

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At what temperature should Lioresal Intrathecal (baclofen) be stored?Can Lioresal Intrathecal (baclofen) cause new scoliosis or worsen existing scoliosis?Has the safety and efficacy of Lioresal Intrathecal (baclofen) been established in children younger than four years?Have seizures been reported at therapeutic doses of Lioresal Intrathecal (baclofen)?How much sodium does each 10 mg/20 mL ampoule of Lioresal Intrathecal (baclofen) contain?Is baclofen expected to be present in breast milk during Lioresal Intrathecal treatment?

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