Pyridoxine Hydrochloride + Doxylamine Succinate: Brands, Price & Uses in Bangladesh

Pyridoxine Hydrochloride + Doxylamine Succinate is a fixed-dose combination of a vitamin B6 analogue (pyridoxine) and a sedating antihistamine (doxylamine) used specifically for one indication:

• Nausea and vomiting of pregnancy (NVP): Established, FDA-approved treatment of nausea and vomiting of pregnancy in women who have not responded adequately to conservative management (dietary and lifestyle changes such as eating small frequent meals, avoiding triggers, and rest).

Pyridoxine Hydrochloride + Doxylamine Succinate is not indicated for morning sickness prevention before symptoms occur, for hyperemesis gravidarum requiring intravenous therapy or hospitalization, or for nausea/vomiting due to other causes. It is not intended for use as a general antihistamine or sleep aid, although the individual components have those actions off-label.

Adult Dose (Nausea and Vomiting of Pregnancy)

Dose titration should be individualized under physician guidance based on symptom response, starting at bedtime and adding daytime doses only as needed.

Pediatric Dose

Not applicable. Pyridoxine Hydrochloride + Doxylamine Succinate is indicated only for nausea and vomiting of pregnancy in adult women; it has no pediatric indication.

Renal/Hepatic Impairment

Specific dose adjustment guidance for renal or hepatic impairment has not been well established; use with caution and physician supervision in these populations, as doxylamine clearance may be reduced.

The most common adverse effect of Pyridoxine Hydrochloride + Doxylamine Succinate is somnolence (drowsiness), reported frequently and reflecting the sedating antihistamine component; patients should be cautioned about driving or operating machinery until they know how it affects them. Other reported effects include:

• Dry mouth
• Dizziness
• Headache
• Irritability
• Less commonly, other anticholinergic effects such as urinary retention or blurred vision