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4.4.2017 | Abigail Hoggarth

Hydroxyzine is a first-generation antihistamine of the diphenylmethane and piperazine class. It was first synthesized by Union Chimique Belge in 1956 and was.

Studies have also been conducted which show that long-term prescription of hydroxyzine can lead to tardive dyskinesia after years of use, but effects related to dyskinesia have also anecdotally been reported after periods of 7.5 months, such as continual head rolling, lip licking and other forms of athetoid movement. In certain cases, elderly patients' previous interactions with phenothiazine derivatives or pre-existing neuroleptic treatment may have had some contribution towards dyskinesia at the administration of hydroxyzine due to hypersensitivity caused due to the prolonged treatment, and therefore some contraindication is given to the short-term administration of hydroxyzine to those with previous phenothiazine use.

Hydroxyzine's predominant mechanism of action is as a potent H 1 receptor inverse agonist (K i = 2 nM).

Hydroxyzine Hcl Oral Uses, Side Effects, Interactions, Pictures

5.5.2017 | Connor Adamson

Find patient medical information for Hydroxyzine Hcl Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

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Before using this medication, l your doctor or pharmacist your medical history, especially of: breathing problems (such as emphysema, asthma ), high pressure in the eye ( glaucoma ), high blood pressure, kidney problems, liver problems, seizures, stomach /intestine problems (such as ulcer, blockage), overactive thyroid ( hyperthyroidism ), difficulty urinating (for example, due to enlarged prostate ).

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Hydroxyzine Uses, Dosage & Side Effects

7.7.2017 | Angel Adamson

Hydroxyzine reduces activity in the central nervous system. It also acts as an antihistamine that reduces the effects of natural chemical.

Pain tramadol, acetaminophen, Tylenol, naproxen, oxycodone, aspirin, More.

Allergies Vistaril, levocetirizine, Xyzal, Atarax, doxylamine, Acthar, More.

-Oral: 50 to 100 mg orally -IM: 25 to 100 mg Uses: -Oral: As a sedative when used as premedication and following general anesthesia.

Atarax (Hydroxyzine Hydrochloride) Side Effects, Interactions

11.11.2017 | Connor Adamson

4 days ago C21H27CIN202•2HCI M.W. 447.83. Hydroxyzine hydrochloride occurs as a white, odorless powder which is very soluble in water. Hydroxyzine.

Hydroxyzine hydrochloride is not a cortical depressant, but its action may be due to a suppression of activity in certain key regions of the subcortical area of the central nervous system. Hydroxyzine hydrochloride is unrelated chemically to the phenothiazines, reserpine, meprobamate, or the benzodiazepines.

For symptomatic relief of anxiety and tension associated with psychoneurosis and as an adjunct in organic disease states in which anxiety is manifested: in adults, 50-100 mg q.i.d.; children under 6 years, 50 mg daily in divided doses and over 6 years, 50-100 mg daily in divided doses.

Atropine and other belladonna alkaloids are not affected by the drug.

Hydroxyzine Side Effects in Detail

6.6.2017 | Victoria Miers

Learn about the potential side effects of hydroxyzine. Includes common and rare side effects information for consumers and healthcare professionals.

Frequency not reported: Thickened respiratory tract secretions, wheezing, nasal stuffiness, throat dryness Postmarketing reports: Bronchospasm.

Frequency not reported: Liver dysfunction Postmarketing reports: Abnormal liver function tests.

Other brands: Vistaril, Atarax, Hyzine.

Postmarketing reports: Accommodation disorder, blurred vision.

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Pain tramadol, acetaminophen, Tylenol, naproxen, oxycodone, aspirin, More.

Frequency not reported: Palpitations, flushing, chest tightness Postmarketing reports: QT interval prolongation, Torsade de Pointes and other ventricular arrhythmias, tachycardia, hypotension.

Some of the side effects that can occur with hydroxyzine may not need medical attention.