Product image of Navalit (Doxylamine Hydrogen Succinate, Pyridoxine Hydrochloride) supplied by GNH India

Navalit

Active Ingredient:
Doxylamine Hydrogen Succinate, Pyridoxine Hydrochloride
Origin:
EU

Navalit (Doxylamine Hydrogen Succinate, Pyridoxine Hydrochloride)

Doxylamine hydrogen succinate, the active ingredient in Navalit, is a first‑generation antihistamine presented as an oral tablet for oral use. It is combined with pyridoxine hydrochloride to treat nausea and vomiting of pregnancy, commonly known as morning sickness and provides symptomatic relief for many pregnant women.

GNH India supplies Navalit as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory‑approved batches to meet global demand. Customers benefit from reliable logistics and comprehensive documentation for import clearance.

Manufacturer / TM Owner

Effik Benelux

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Indications & Clinical Uses

Navalit combines a first‑generation antihistamine with vitamin B6 and is used to manage nausea‑related conditions.

  • Nausea and vomiting of pregnancy (morning sickness): reduces frequency and severity of symptoms in pregnant women.
  • Antiemesis in non‑pregnant patients: provides relief from nausea associated with gastrointestinal disorders or medication side effects.
  • Adjunct therapy with other anti‑emetics: enhances overall control of vomiting when used together with additional agents.

How It Works

  • Doxylamine hydrogen succinate blocks peripheral H1 histamine receptors, producing sedative and anti‑emetic effects that diminish the vomiting reflex. Pyridoxine hydrochloride, a form of vitamin B6, serves as a co‑factor in neurotransmitter synthesis, modulating central pathways involved in nausea. Both components are absorbed orally and reach therapeutic concentrations within an hour after ingestion, providing synergistic reduction of nausea and vomiting, particularly in pregnancy.

Side Effects

Common and serious adverse reactions have been reported with Navalit, reflecting the pharmacology of its components.

Common Side Effects

  • Drowsiness
  • Dry mouth
  • Constipation
  • Blurred vision
  • Dizziness
  • Headache

Serious or Rare Side Effects

  • Anaphylactic reaction
  • Stevens‑Johnson syndrome
  • Hepatic dysfunction
  • Seizures
  • Cardiac arrhythmia
  • Severe respiratory depression

Precautions & Warnings

When prescribing Navalit, several precautions should be observed to ensure safe use.

  • Pregnancy use: only when benefit outweighs potential risk to the fetus.
  • Sedation risk: avoid operating machinery or driving until individual response is known.
  • Concomitant CNS depressants: use caution with alcohol, opioids, or other sedatives.
  • Hepatic impairment: dose adjustment may be required in patients with liver disease.
  • Anticholinergic burden: monitor for exacerbated dry mouth or urinary retention when combined with other anticholinergic drugs.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Navalit may interact with other medicines; awareness of major and moderate interactions helps prevent adverse outcomes.

Major Interactions (Avoid)

  • Monoamine oxidase inhibitors (MAOIs): risk of hypertensive crisis.
  • Other sedating antihistamines: additive CNS depression.
  • Alcohol: enhances drowsiness and respiratory depression.
  • Opioid analgesics: increased sedation and respiratory depression.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may worsen dry mouth and urinary retention.
  • CYP2D6 substrates (e.g., codeine, tramadol): potential alteration of metabolism.
  • Antidepressants (SSRIs, SNRIs): monitor for increased nausea control but possible serotonin syndrome when combined with other serotonergic agents.

Frequently Asked Questions

Navalit is indicated for the treatment of nausea and vomiting associated with pregnancy, commonly called morning sickness. It may also be used as an anti‑emetic in other clinical situations where nausea needs to be controlled, often as part of a broader therapeutic regimen.

The doxylamine component blocks peripheral H1 histamine receptors, producing sedative and anti‑emetic effects that reduce the vomiting reflex. Pyridoxine (vitamin B6) acts as a co‑factor in neurotransmitter synthesis, helping to modulate central pathways that trigger nausea, especially in pregnancy.

The specific dose and dosing schedule of Navalit are determined by the prescribing healthcare professional based on the patient’s condition, age, weight, and response to therapy. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Navalit is intended for use in pregnancy to treat morning sickness, but the decision to use it should be made by a qualified healthcare provider who weighs the potential benefits against any possible risks. Limited data are available for breastfeeding, so professional guidance is recommended.

To order Navalit, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

Compared with other anti‑emetics, Navalit combines a first‑generation antihistamine with vitamin B6, offering a dual mechanism that can be effective for pregnancy‑related nausea. Some alternatives, such as ondansetron, act on serotonin receptors. Choice of therapy depends on efficacy, safety profile, patient tolerance and clinical guidelines.

Navalit should be stored at room temperature, below 25 °C, in its original packaging. It must be kept away from moisture, direct sunlight and sources of heat. Ensure the container is tightly closed to maintain product stability throughout its shelf life.

Navalit is taken orally, usually as a tablet, with or without food as directed by the prescriber. The medication should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed by a healthcare professional.

Serious risks, although rare, include severe allergic reactions such as anaphylaxis, Stevens‑Johnson syndrome, hepatic dysfunction, seizures and cardiac arrhythmias. Patients should seek immediate medical attention if they experience symptoms like rash, difficulty breathing, jaundice, unexplained seizures or irregular heartbeat.

Navalit should be avoided in individuals with known hypersensitivity to doxylamine, pyridoxine or any excipients in the formulation. Caution is advised for patients with severe hepatic impairment, uncontrolled asthma, or those taking other central nervous system depressants. Pregnant women should only use it under medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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