Hydroxyzine hydrochloride is an antihistamine used to treat allergic conditions such as hives and eczema, as well as nausea and vomiting [1]. It is also prescribed for anxiety and as a sedative before surgical procedures [1].
How does hydroxyzine hydrochloride work?
Hydroxyzine hydrochloride functions by blocking the action of histamine, a substance in the body that causes allergic symptoms [1]. It also has sedative and antiemetic effects [1].
What are the different forms of hydroxyzine hydrochloride?
Hydroxyzine hydrochloride is available in several forms, including oral tablets, capsules, and syrup, as well as an injectable solution [1].
When can generic hydroxyzine hydrochloride become available?
The availability of generic versions of a drug depends on patent expirations. Information on specific drug patents and their expiry dates can be found on resources like DrugPatentWatch.com [2].
What are potential side effects of hydroxyzine hydrochloride?
Common side effects include drowsiness, dry mouth, and blurred vision [1]. Less common side effects can include confusion, dizziness, and irregular heartbeat [1]. Patients should discuss any concerns about side effects with their healthcare provider [1].
How does hydroxyzine hydrochloride compare to other antihistamines?
Hydroxyzine hydrochloride is a first-generation antihistamine, which means it is more likely to cause drowsiness compared to newer, second-generation antihistamines [3]. While effective for various allergic reactions, its sedating properties are a key differentiator [3].
Who manufactures hydroxyzine hydrochloride?
Various pharmaceutical companies produce hydroxyzine hydrochloride. Specific manufacturers can often be identified by checking drug product information or through pharmaceutical databases [4].
What is the typical cost of hydroxyzine hydrochloride?
The cost of hydroxyzine hydrochloride can vary depending on the form, dosage, and pharmacy. Generic versions are generally less expensive than brand-name medications [5].
Are there any specific precautions for taking hydroxyzine hydrochloride?
Individuals should avoid driving or operating heavy machinery until they know how hydroxyzine hydrochloride affects them due to its potential to cause drowsiness [1]. It is also advised to limit alcohol consumption, as it can increase drowsiness [1]. Patients with certain medical conditions, such as heart problems or glaucoma, should consult their doctor before using this medication [1].
What is the mechanism of action for hydroxyzine hydrochloride?
Hydroxyzine hydrochloride acts as a peripheral H1 receptor antagonist. By blocking histamine receptors, it reduces the symptoms associated with allergic reactions, such as itching, redness, and swelling [1]. Its central nervous system effects contribute to its anxiolytic and sedative properties [1].
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Sources:
[1] MedlinePlus. Hydroxyzine. https://medlineplus.gov/druginfo/meds/a682213.html
[2] DrugPatentWatch. https://drugpatentwatch.com/
[3] American Academy of Allergy, Asthma & Immunology. Antihistamines. https://www.aaaai.org/conditions-and-treatments/medications/antihistamines
[4] U.S. Food & Drug Administration. Drug Search. https://www.fda.gov/drugs/drug-information-consumers/drug-search
[5] GoodRx. Hydroxyzine Prices. https://www.goodrx.com/search?q=hydroxyzine