Benzhexol - General Information:One of the centrally acting muscarinic antagonists used for treatment of parkinsonian disorders and drug-induced extrapyramidal movement disorders and as an antispasmodic. [PubChem]
Other Brand Names containing Trihexyphenidyl
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Benzhexol - Pharmacology:
Benzhexol is an anticholinergic used in the symptomatic treatment of all etiologic groups of parkinsonism and drug induced extrapyramidal reactions (except tardive dyskinesia). Benzhexol possesses both anticholinergic and antihistaminic effects, although only the former has been established as therapeutically significant in the management of parkinsonism.
Benzhexol for patients
Cannabinoids, barbiturates, opiates, and alcohol may have additive effects with Trihexyphenidyl, and thus, an abuse potential exists.
Concurrent use of alcohol or other CNS depressants with Trihexyphenidyl may cause increased sedative effects.
Monoamine oxidase inhibitors and tricyclic antidepressants possessing significant anticholinergic activity may intensify the anticholinergic effects of antidyskinetic agents because of the secondary anticholinergic activities of these medications.
Prophylactic administration of anticholinergic agents, such as trihexyphenidyl, as a prevention of drug-induced parkinsonism during neuroleptic therapy is not recommended. There may be an increased risk for the development of tardive dyskinesia during concomitant administration of anticholinergics and neuroleptics.
The usual dose of either trihexyphenidyl or levodopa may need to be reduced during concomitant therapy, since concomitant administration may increase drug-induced involuntary movements.
It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Trihexyphenidyl is administered to a nursing woman. As with other anticholinergics, trihexyphenidyl may cause suppression of lactation. Therefore, trihexyphenidyl should only be used if the expected benefit to the mother outweighs the potential risk to the infant.
Safety and effectiveness in pediatric patients have not been established.
ARTANE is contraindicated in patients with hypersensitivity to trihexyphenidyl HCl or to any of the tablet or elixir ingredients. Artane is also contraindicated in patients with narrow angle glaucoma. Blindness after long-term use due to narrow angle glaucoma has been reported.
Indication, Mechanism Of Action, Drug Interactions, Food Interactions, etc..