Drug reference
botulinum toxin a
Muscle relaxant, Neurotoxin (therapeutic use)
Muscle relaxant, Neurotoxin (therapeutic use)
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Botulinum toxin A and B are highly potent exotoxins that cause long-lasting loss of cholinergic transmission by interacting with axonal proteins involved in the exocytotic release of acetylcholine.
Side effects
Serious
- ptosis
- diplopia
- facial swelling
- dry mouth
- dysphagia
- dysarthria
- muscular weakness
- respiratory paralysis
Other Unclassified drugs
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Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team