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2. Hydroxyzine - Wikipedia

   en.wikipedia.org/wiki/Hydroxyzine

   Hydroxyzine works by blocking the effects of histamine. [9] It is a first-generation antihistamine in the piperazine family of chemicals. [8] [4] Common side effects include sleepiness, headache, and dry mouth. [8] [9] Serious side effects may include QT prolongation. [9] It is unclear if use during pregnancy or breastfeeding is safe. [8]

3. H1 antagonist - Wikipedia

   en.wikipedia.org/wiki/H1_antagonist

   Hydroxyzine: 25–100 mg 2 hours 20 hours ADH, CYP3A4, others No Doxepin: 3–6 mg 2–3 hours 17 hours c: CYP2D6, others No (at low doses) Mirtazapine: 7.5–15 mg 2 hours 20–40 hours CYP2D6, others No Quetiapine e: 25–200 mg 1.5 hours 7 hours d: CYP3A4 No (at low doses) Footnotes: a = For sleep/sedation. b = In adults.

4. Cetirizine - Wikipedia

   en.wikipedia.org/wiki/Cetirizine

   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 ...

5. H3 receptor antagonist - Wikipedia

   en.wikipedia.org/wiki/H3_receptor_antagonist

   An H 3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H 3 receptors.. Unlike the H 1 and H 2 receptors which have primarily peripheral actions, but cause sedation if they are blocked in the brain, H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve terminals, which modulate the release of ...

6. Theophylline/ephedra/hydroxyzine - Wikipedia

   en.wikipedia.org/.../ephedra/hydroxyzine

   It was a combination of theophylline, ephedra, [1] and hydroxyzine, and taken by mouth. [ 2 ] [ 3 ] It is no longer manufactured in the US due to approval of ephedra being withdrawn by the FDA . [ citation needed ]

7. I Missed My 2nd Vaccine Shot: What Do I Do Now? - AOL

   www.aol.com/missed-2nd-vaccine-shot-now...

   Earlier in the vaccine rollout, there were vaccine supply problems, which meant some people couldn’t get a second dose of their vaccine even if they wanted one, says Dr. Sharieff.

8. Cialis Side Effects: What to Expect (& How to Avoid Them) - AOL

   www.aol.com/cialis-side-effects-expect-avoid...

   Most potential side effects of Cialis are dose-dependent, meaning they become more common at higher doses. Sorry to be a broken record, but only use the dosage of Cialis prescribed to you.

9. Talk:Hydroxyzine - Wikipedia

   en.wikipedia.org/wiki/Talk:Hydroxyzine

   “The effect of hydroxyzine has also been tested on the ability of humans in the registration and storage of memory, and was used in comparison with relatively safe drugs, such as hydroxyzine, to illustrate the effects of benzodiazepines, which are thought to have adverse effects on the capacity of memory storage.”