Meclizine has antiemetic, anticholinergic and antihistaminic properties. It reduces the sensitivity of the labyrinthine apparatus. The action may be mediated through nerve pathways to the vomiting center (VC) from the chemoreceptor trigger zone (CTZ), peripheral nerve pathways, the VC, or other CNS centers. Meclizine has an onset of action of 30 to 60 minutes, depending on dosage; their duration of action is 12 to 24 hours.
Acliz Tablet 50 mg
Adult & children over 12 years of age:
Nausea and vomiting: 25-50 mg once daily.
Motion sickness: Take an initial dose of 25 to 50 mg, 1 hour prior to travel. May repeat dose every 24 hours for the duration of the journey. Children: Age 6-12 years, 12.5 mg once daily. Age 2-6 years, 6.25 mg once daily.
Vertigo: 25 to 100 mg daily in divided doses.
Radiotherapy induced nausea and vomiting: 50 mg two to twelve hours prior to radiotherapy.
Emergency contraception: 25-50 mg, 1 hour before first ECP dose; repeat if needed in 24 hours.
Use in children: Clinical studies establishing safety and efficacy in children have not been done; therefore, its use should be determined by physician.
Use in elderly: There is no specific information available. However older people may be especially sensitive to the anticholinergic effects of medicine.