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Drug interactions aren’t common with Zyrtec, according to the FDA, Dr. Brooks says you’ll want to be careful about using other medications that can cause drowsiness at the same time. Claritin
Allegra is also non-drowsy, but some might find Zyrtec and Claritin to be more effective. All three offer 24-hour relief. “My favorites, in order of preference, are Allegra, Xysal, Zyrtec and ...
[22] [27] Subsequently, other non-sedating antihistamines like loratadine (Claritin), cetirizine (Zyrtec), and fexofenadine (Allegra) were developed and introduced. [22] The introduction of the first-generation antihistamines marked the beginning of medical treatment of nasal allergies. [28]
H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions.Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic action but are not true antihistamines.
Fexofenadine, sold under the brand name Allegra among others, [10] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria. [ 11 ] Therapeutically, fexofenadine is a selective peripheral H 1 blocker .
Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. [5] This includes allergic rhinitis (hay fever) and hives . [ 5 ] It is also available in drug combinations such as loratadine/pseudoephedrine , in which it is combined with pseudoephedrine , a nasal decongestant . [ 5 ]
Cetirizine crosses the blood–brain barrier only slightly, and for this reason, produces minimal sedation compared to many other antihistamines. [29] A positron emission tomography (PET) study found that brain occupancy of the H 1 receptor was 12.6% for 10 mg cetirizine, 25.2% for 20 mg cetirizine, and 67.6% for 30 mg hydroxyzine . [ 30 ] (
There are a few possible side effects linked to taking NSAIDs, including: gastrointestinal problems (such as irritation, ulcers, or bleeding), increased risk of heart attack and stroke, reduced ...
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