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Cinnarizine is an antihistamine and calcium channel blocker of the diphenylmethylpiperazine group. [5] It is prescribed for nausea and vomiting due to motion sickness [6] or other sources such as chemotherapy, [7] vertigo, [8] or Ménière's disease. [9]
The time to reach maximum concentration (T max) of hydroxyzine is about 2.0 hours in both adults and children and its elimination half-life is around 20.0 hours in adults (mean age 29.3 years) and 7.1 hours in children. [5] [6] Its elimination half-life is shorter in children compared to adults. [5]
"Treatment of vertigo due to acute unilateral vestibular loss with a fixed combination of cinnarizine and dimenhydrinate: a double-blind, randomized, parallel-group clinical study". Clin Ther . 26 (6): 866– 77.
A normal blood pressure reading is less than 120/80 mm Hg, while high blood pressure, or hypertension, is considered 130/80 mm Hg or higher, according to the American College of Cardiology and ...
Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]
A 10 mg dose of cetirizine equals about a 30 mg dose of hydroxyzine in terms of peripheral antihistamine effect.) [30] PET studies with antihistamines have found that brain H 1 receptor occupancy of more than 50% is associated with a high prevalence of somnolence and cognitive decline, whereas brain H 1 receptor occupancy of less than 20% is ...
Common side effects include sleepiness, dry mouth, constipation, and trouble with vision. [5] More serious side effects include low blood pressure and urinary retention. [5] It is not generally recommended in young children or those with glaucoma. [2] [6] Cyclizine appears to be safe during pregnancy but has not been well studied. [7]
Common side effects of dimenhydrinate may include drowsiness, dry mouth, nose, or throat, constipation, and blurred vision. Some individuals, particularly children, may experience feelings of restlessness or excitement. In certain cases, more severe symptoms may arise, such as delirium, weakness, and a tendency to be easily startled.