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Antihistamines are usually for short-term treatment. Chronic allergies, such as allergic asthma may include health problems which antihistamines alone cannot treat. [ 9 ] The routes of administration of antihistamines are usually oral, intranasal , intraocular and topical .
Diphenhydramine, sold under the brand name Benadryl among others, is an antihistamine and sedative.It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects.
Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine. [16] Mixing diphenhydramine with alcohol can also increase the chances of losing consciousness due to sedation. [17]
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] Antihistamines are usually for short-term treatment. [1]
Dimetapp is an American brand of over-the-counter cold and allergy medicines that is manufactured by Foundation Consumer Brands. At one point, Dimetapp as a household word referred to a single combination preparation marketed to relieve symptoms of the common cold, containing brompheniramine (an antihistamine) and phenylephrine (decongestant replacing the formerly used pseudoephedrine, which ...
There is a risk of severe liver damage with the concurrent use of acetaminophen products and excessive alcohol use (≥3 alcoholic drinks/day depending on body weight). Acetaminophen is an active ingredient of many over-the-counter single ingredient products (e.g. to treat headache), multiple ingredient combination products as well as ...
There is evidence supporting its use for allergies, but second generation antihistamines such as ketotifen and loratadine have shown equal results with fewer side effects. [9] It is also used as a preventive treatment against migraine. In a 2013 study the frequency of migraine was dramatically reduced in patients within 7 to 10 days after ...
It is used in the treatment of itchiness, anxiety, insomnia, and nausea (including that due to motion sickness). [8] It is used either by mouth or injection into a muscle. [8] Hydroxyzine works by blocking the effects of histamine. [9] It is a first-generation antihistamine in the piperazine family of chemicals.