Adult Dosing

Meniere' s syndrome

• Start 16 mg PO tid; administer with food
• Maintainance dose: 24-48 mg/day

Pediatric Dosing

• Dosing for this drug is not available or not applicable

• Meniere' s syndrome characterised by loss of hearing, tinnitus and vertigo

• Hypersensitivity to any of the ingredients of the product
• Pheochromocytoma
• Porphyria
• Active peptic ulcer

Renal Dose Adjustment

• Renal impairment: Dose adjustments not defined

Hepatic Dose Adjustment

• Hepatic impairment: Dose adjustments not defined

See Supplemental Patient Information

• Intentional overdose may lead to serious pulmonary or cardiac complications and convulsions
• Monitor the therapy in patients with bronchial asthma as it may lead to development of clinical intolerance
• Safety and effectiveness in pediatric patients have not been established
• Do not use in pregnancy or lactation unless clearly necessary

Caution: Use cautiously in

• Hx of active peptic ulcer
• Hx of bronchial asthma
• Pregnancy
• Lactation

Supplemental Patient Information

• Take the tablet with or after a meal
• Inform your doctor if you are pregnant or planning to become pregnant or you are breast-feeding

Pregnancy Category:NR

Breastfeeding: Safety and efficacy during lactation has not been established. As no data exists on the use of betahistine during lactation, it is unknown if betahistine is excreted in human milk. According to manufacturer's data betahistine should be used only if the potential benefit justifies the potential risk

• CNS: Headache, insomnia, dizziness
• DERM: Rash, pruritis, urticaria
• GI: Nausea, dyspepsia, peptic ulcer disease

• Antivertigo; acts as a histamine H1-agonist; stimulates H1-receptors on the pre-capillary sphincter in the stria vascularis of the inner ear and reduces endolymphatic pressure by improving microcirculation
• Metabolised by liver
• Excreted in urine as an inactive metabolite within 24 hours
• Half-life: 3-4 hrs

US Trade Name(s)

• N/A

US Availability

• N/A

Canadian Trade Name(s)

• Serc

Canadian Availability

betahistine (generic)

• TABS: 8, 16, 24 mg

Serc

• TABS: 16, 24 mg

UK Trade Name(s)

• Serc

UK Availability

Serc

• TABS: 8, 16 mg

Australian Trade Name(s)

• Serc

Australian Availability

Serc

• TABS: 16 mg

Neurologic

Antivertigo Agents