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Cetirizine is a second-generation antihistamine used to treat allergic rhinitis (hay fever), dermatitis, and urticaria (hives). [5] It is taken by mouth. [6] Effects generally begin within thirty minutes and last for about a day. [6] The degree of benefit is similar to other antihistamines such as diphenhydramine, which is a first-generation ...
Fexofenadine does not readily cross the blood–brain barrier, so is less likely to cause drowsiness in comparison to other antihistamines that readily cross that barrier (i.e., first-generation antihistamines such as diphenhydramine). In general, fexofenadine takes about an hour to take effect, though this may be affected by the choice of ...
“Zyrtec can cause drowsiness,” Dr. Brooks says. “While not as frequent as for older antihistamines like Benadryl, I still see drowsiness with Zyrtec quite a bit. In fact, pilots are not ...
Ebastine is a H 1 antihistamine with low potential for causing drowsiness. It does not penetrate the blood–brain barrier to a significant amount and thus combines an effective block of the H 1 receptor in peripheral tissue with a low incidence of central side effects, i.e. seldom causing sedation or drowsiness. [1] [2] [3]
Levocetirizine, sold under the brand name Xyzal, among others, is a second-generation antihistamine used for the treatment of allergic rhinitis (hay fever) and long-term hives of unclear cause. [3] It is less sedating than older antihistamines. [4] It is taken by mouth. [3] Common side effects include sleepiness, dry mouth, cough, vomiting, 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]
The Mayo Clinic says symptoms include skin reactions (like hives), low blood pressure, nausea, fainting — and “constriction of the airways and a swollen tongue or throat, which can cause ...
Meclizine, sold under the brand name Bonine, among others, is an antihistamine used to treat motion sickness and dizziness . [3] It is taken by mouth. [3] Effects generally begin in an hour and last for up to a day. [3] Common side effects include sleepiness and dry mouth. [3] Serious side effects may include allergic reactions. [3]