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BETAHISTINE
Mode
of action
Vasodilator, thought to improve blood flow to labyrinth and brain
stem.
Indications
Ménière's disease داء منيير (هذا أخدناه بصيدلة المجتمع)
Contraindications
Phaeochromocytoma
History of peptic ulcer
Asthma (Use with caution)
Porphyria
Specific
considerations
Urticaria: may be exacerbated.
Children: Avoid use in children <12 years.
Pregnancy: Limited data; ADEC category B2.
Lactation: Unlikely to be of concern.
Adverse
effects
Rare: GI disturbances, headache, fatigue, dizziness,
vasodilation, hypotension, bronchospasm, rash, angioedema
Dosage
8–16 mg 3 times a day.
Patient
counselling
Response may be rapid or take several weeks.