Doxylamine + pyridoxine


Concise Prescribing Info
Indications/Uses
Pregnancy-associated nausea and vomiting.
Dosage/Direction for Use
Adult: PO Per tab contains doxylamine 10 mg and pyridoxine 10 mg: 2 tab/day at bedtime. Severe cases or cases w/ nausea/vomiting during the day: Increase dose by 1 tab in morning and/or afternoon.
Contraindications
Severe liver disease; avoid alcohol; premature infants or full-term neonates.
Special Precautions
May impair ability to drive and operate machinery. Angle-closure glaucoma, urinary retention, prostatic hypertrophy or pyloroduodenal obstruction; epilepsy; hepatic impairment, elderly. Lactation.
Adverse Reactions
Acute dystonic reactions and long-lasting impaired consciousness in child. CNS depression including slight drowsiness to deep sleep, lassitude, dizziness, incoordination. Headache, psychomotor impairment and antimuscarinic effects. Rarely rashes and hypersensitivity reactions, blood disorders, convulsions, sweating, myalgia, extrapyramidal effects, tremor, confusion, tinnitus, hypotension, hair loss. Severe peripheral neuropathies with long-term admin of large doses of pyridoxine.
Drug Interactions
Doxylamine enhances effects of CNS depressants eg alcohol, barbiturates, hypnotics, opioid analgesics, anxiolytic sedatives and antipsychotics. Atropine, tricyclic antidepressants (TCAs), MAOIs. It can mask signs of ototoxicity caused by aminoglycosides. INH, penicillamine and OC require greater pyridoxine dose. Pyridoxine reduces the effects of levodopa, phenobarb and phenytoin.
CIMS Class
ATC Classification
R06AA09 - doxylamine ; Belongs to the class of aminoalkyl ethers used as systemic antihistamines.
Disclaimer: This information is independently developed by CIMS based on doxylamine + pyridoxine from various references and is provided for your reference only. Therapeutic uses, prescribing information and product availability may vary between countries. Please refer to CIMS Product Monographs for specific and locally approved prescribing information. Although great effort has been made to ensure content accuracy, CIMS shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 CIMS. All rights reserved. Powered by CIMSAsia.com
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