Overdose hydroxyzine

I've overdosed a lot. It depends on how much you take, and how weak your immune system is, and also their toxicity. Seroquel won't work, it's extremely low toxicity. At least that's what I was told. (I overdosed on over 88 of them when I was younger). 2. Prestigious-Recipe-4. • 3 yr. ago. yes i wanna know too for research purposes only of course.

Overdose hydroxyzine. Oct 14, 2022 ... ... hydroxyzine or hydroxyzine metabolite, hydroxyzine/cetirizine/meclizine (not distinguished) metabolite, levocetirizine, loratadine ...

It takes about five half-lives for a medication dose to leave the body. The half-life of both forms of hydroxyzine ranges from 14 to 25 hours. Thus, the medication can remain in the body for about 70 to 125 hours (five half-lives) after the last dose. However, the effects of a dose may only last up to about six hours.

Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote. It is doubtful that hemodialysis would be of any value in the treatment of overdosage with hydroxyzine. However, if other agents such as barbiturates have been …Table of contents. Can You Overdose on Hydroxyzine? Hydroxyzine Overdose Side Effects. Hydroxyzine Toxicity. What to do if Someone Overdosed on …Tremors are most likely to occur among recreational hydroxyzine users, cases of overdose, and/or anyone ingesting larger amounts than their nervous system can tolerate. Those prescribed supratherapeutic dosages should be most cognizant of this side effect. Weight gain: It is estimated that around 12% of all hydroxyzine users will gain …Hydroxyzine overdose Atarax overdose; Vistaril overdose . Hydroxyzine is an antihistamine available only with a prescription. It is used to treat symptoms of allergies and motion sickness. Hydroxyzine overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.HYDROXYZINE EG peut être associé à un risque accru de troubles du rythme cardiaque pouvant mettre en danger le pronostic vital. Par conséquent, si vous avez un problème cardiaque ou si vous prenez d’autres médicaments y compris des médicaments sans ordonnance, parlez-en à votre médecin.What happens if I overdose? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include extreme drowsiness, nausea, vomiting, feeling like you might pass out. ... Hydroxyzine will stay in your system for about 100 hours, on average, but its clinical effect may wear off before this time ...

Alprazolam is a benzodiazepine and belongs to the same family as lorazepam (Ativan) and clonazepam (Klonopin). This medication is FDA-approved to treat anxiety disorders (including GAD) and panic disorder. As with hydroxyzine, alprazolam is intended for short-term use — up to 4 months for anxiety disorders and up to 10 weeks for panic … For controlling anxiety and produce sleep before surgery: Adults—50 to 100 milligrams (mg) per day. Children—Dose is based on body weight and must be determined by your doctor. The dose is usually 0.6 milligram (mg) per kilogram (kg) of body weight per day. For oral dosage forms (Vistaril® capsules or suspension): Dec 17, 2022 · Hydroxyzine is a type of drug called an antihistamine. It works by attaching to histamine receptors (binding sites) in your body. This produces a calming effect that helps relieve anxiety and ... Results 1 - 18 of 63 for "hydroxyzine hydrochloride" Sort by. Results per page. 1 / 3 Loading. TV 308. Previous Next. Hydroxyzine Hydrochloride Strength 25 mg Imprint TV 308 Color White Shape Round View details. 1 / 3 Loading. H 501 . Previous Next. Hydroxyzine Hydrochloride Strength 25 mg Imprint H 501 Color White ShapeHydroxyzine (Vistaril) is a first-generation antihistamine that was first approved in 1957.Today, it’s used to treat anxiety, itching due to allergies, and to help you relax before and after receiving general anesthesia.. In this guide, we’ll go over the typical hydroxyzine dosages for adults and children. But it's important to follow the instructions …Aside from intentional overdose, all cases involved underlying medical conditions or concomitant medications that constituted at least 1 additional risk factor for such events. The combination of cardiovascular disorders plus concomitant treatment of drugs known to induce arrhythmia was identified as the greatest combined risk factor. … For controlling anxiety and produce sleep before surgery: Adults—50 to 100 milligrams (mg) per day. Children—Dose is based on body weight and must be determined by your doctor. The dose is usually 0.6 milligram (mg) per kilogram (kg) of body weight per day. For oral dosage forms (Vistaril® capsules or suspension): Hydroxyzine is currently not FDA-approved as a veterinary medication. However, it is readily utilized in the veterinary field, and veterinarians can legally prescribe certain human drugs in animals in certain circumstances. ... You see or suspect an overdose. You have additional questions or concerns about the use of hydroxyzine. …

Hydroxyzine may be used to relieve anxiety or itching; however, it causes sedation so can affect a person's ability to drive or operate machinery. It should not be used during pregnancy or while breastfeeding unless the benefits outweigh the risks. 5. Tips. May be taken with or without food.CONCLUSIONS: Hydroxyzine is a safe and effective drug, but life-threatening adverse effects can occur with overdose. Symptoms of toxicity are delirium, seizures, tachycardia, and hypotension. High dose of hydroxyzine may cause ARDS and distributive shock. A postmortem analysis of a confirmed hydroxyzine overdose demonstrated severe …INTRODUCTION. Treatment-resistant depression (TRD) is a chronic debilitating condition with profound sequelae. Only one-third of patients remit after receiving first-line therapy for major depressive disorder (MDD (Trivedi et al, 2006), and approximately half of patients who do not respond to the first antidepressant therapy will not respond to …Aug 29, 2023 · Hydroxyzine dosage for anxiety. Hydroxyzine is an as-needed anxiety treatment. This is different from many other anti-anxiety medications that need to be taken regularly to be effective. The typical adult hydroxyzine dosage for anxiety is 50 mg to 100 mg 4 times daily as needed. You can take it with or without food. In a randomized, double-blind, 4-way crossover study in 22 healthy subjects using bilastine (20 or 40 mg), hydroxyzine (50 mg), and placebo once daily for 8 days , the effect on driving performance was evaluated using standard deviations of lateral position (SDLP, a measure of car weaving ) as an index. Hydroxyzine alone showed …Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose. Decreased awareness or responsiveness drowsiness nausea …

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Overdose; Notes; Missed Dose; Storage. Top of the page. Hydroxyzine Hydrochloride - Oral. Pronunciation: hye-DROX-i-zeen HYE-droe-KLOR-ide. Common Brand Name ...Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote. It is doubtful that hemodialysis would be of any value in the treatment of overdosage with hydroxyzine. However, if other agents such as barbiturates have been …Hydroxyzine is a prescription antihistamine that treats anxiety by blocking histamine, a natural substance responsible for allergy and anxiety symptoms. It responds quickly and is available as pills, liquids, or injection forms. Hydroxyzine is safe and generally well-tolerated, with only mild side effects. Its dose depends on age, health …Hydroxyzine pamoate can cause an overdose, which could lead to life-threatening consequences in some people. The most common manifestation of overdosage is hypersedation. Other reported signs and symptoms were convulsions, stupor, nausea and vomiting, hypotension, depressant effects on the central nervous system and …

Dec 17, 2022 · Hydroxyzine is a type of drug called an antihistamine. It works by attaching to histamine receptors (binding sites) in your body. This produces a calming effect that helps relieve anxiety and ... According to Mayo Clinic, consuming too much vitamin C is unlikely to be harmful or to cause an overdose. Too much vitamin C may, however, result in undesirable symptoms, such as d...Hydroxyzine is also used along with other medications in adults and children as a sedative before and after general anesthesia for surgery. Hydroxyzine is in a class of medications called antihistamines. It works by blocking the action of histamine a substance in the body that causes allergic symptoms. It also works by decreasing activity in ...HYDROXYZINE (hye DROX i zeen) treats the symptoms of allergies and allergic reactions. It may also be used to treat anxiety or cause drowsiness before a procedure. It works by blocking histamine, a substance released by the body during an allergic reaction. It belongs to a group of medications called antihistamines.CONCLUSIONS: Hydroxyzine is a safe and effective drug, but life-threatening adverse effects can occur with overdose. Symptoms of toxicity are delirium, seizures, tachycardia, and hypotension. High dose of hydroxyzine may cause ARDS and distributive shock. A postmortem analysis of a confirmed hydroxyzine overdose demonstrated severe …For oral dosage form (capsules, tablets, or solution): For anxiety and tension: Adults—50 to 100 milligrams (mg) 4 times a day. Children 6 years of age and older—50 to 100 mg per day given in divided doses. Children younger than 6 years of age—50 mg per day given in divided doses. For management of allergic reactions:Hydroxyzine is an antihistamine available only with a prescription. It is used to treat symptoms of allergies and motion sickness. Hydroxyzine is an antihistamine available only wi...Small occasional doses of hydroxyzine would not be expected to cause any adverse effects in breastfed infants. Larger doses or more prolonged use may cause drowsiness and other effects in the infant or decrease the milk supply, particularly in combination with a sympathomimetic such as pseudoephedrine or before lactation is well …Escitalopram, the (S)-enantiomer of citalopram, is a highly selective serotonin reuptake inhibitor. It is approved by the U.S. Food and Drug Administration (FDA) for treating major depressive disorder in adults and adolescents, as well as generalized anxiety disorder in adults. Escitalopram is sold under the brand names Lexapro and Cipralex.CONCLUSIONS: Hydroxyzine is a safe and effective drug, but life-threatening adverse effects can occur with overdose. Symptoms of toxicity are delirium, seizures, …Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose. Decreased awareness or responsiveness drowsiness nausea …

Nov 16, 2023 ... Vistaril (hydroxyzine pamoate) is used to treat anxiety symptoms ... If Vistaril overdose is suspected, immediate medical care is critical.

Hydroxyzine may cause a condition that affects the heart rhythm (QT prolongation). ... Symptoms of overdose may include: severe drowsiness, seizures. In children, mental/mood changes (such as ... For oral dosage form (capsules, tablets, or solution): For anxiety and tension: Adults—50 to 100 milligrams (mg) 4 times a day. Children 6 years of age and older—50 to 100 mg per day given in divided doses. Children younger than 6 years of age—50 mg per day given in divided doses. For management of allergic reactions: Hydroxyzine: learn about side effects, dosage, special precautions, and more on MedlinePlus Hydroxyzine is used in adults and children to relieve itching caused by allergic skin re...We need you! See something you could improve? Make an edit and help make WikEM better for everyone.Feeling confused. Rarely, a very bad skin reaction has happened with hydroxyzine injection. Signs include fever and many small skin spots within large areas of redness and swelling. Call your doctor right away if you have a rash or any of these signs. Tissue damage has happened with hydroxyzine injection.Hydroxyzine overdose is possible if you take more than is prescribed. This can be serious and life-threatening. If you accidentally or intentionally take too much hydroxyzine, call 911 immediately. If you’re having a mental health emergency, call 911 or go to the nearest emergency room. You can also get free 24/7 support from a suicide and ...Get emergency help immediately if any of the following symptoms of overdose occur while taking hydroxyzine: Symptoms of overdose. Decreased awareness or responsiveness; drowsiness; nausea; seizures; severe sleepiness; vomiting; Other side effects of Hydroxyzine. Some side effects of hydroxyzine may occur that usually do not need …Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote. It is doubtful that hemodialysis would be of any value in the treatment of overdosage with hydroxyzine. However, if other agents such as barbiturates have been …Hydroxyzine can also relieve itching due to hives, allergic reactions, or atopic dermatitis. Hydroxyzine injections are used to relieve nausea and vomiting. Finally, doctors also use hydroxyzine HCl as a sedative before medical procedures or following general anesthesia. What form(s) does Hydroxyzine Hcl come in. Tablet. 10 mg. 25 mg. 50 mg

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Hydroxyzine is an antihistamine. It works by preventing the effects of a substance called histamine, which is produced by the body. This medicine is also used to control anxiety withdrawal symptoms in alcoholic patients. It is also used to control nausea and vomiting symptoms, and relieve anxiety in patients with certain heart disease.Hydroxyzine is approved for pre- and postpartum adjunctive therapy to control emesis, reduce opioid dosage, and treat anxiety. However, use in early pregnancy is contraindicated by the manufacturer and other agents are recommended for the treatment of nausea and vomiting of pregnancy (ACOG 189 2018). Hydroxyzine may be used as an … Hydroxyzine is used to help control anxiety and tension caused by nervous and emotional conditions. It can also be used to help control anxiety and produce sleep before surgery. This medicine is also used to relieve symptoms of allergic conditions (eg, chronic urticaria and atopic and contact dermatoses). HYDROXYZINE (hye DROX i zeen) treats the symptoms of allergies and allergic reactions. It may also be used to treat anxiety or cause drowsiness before a procedure. It works by blocking histamine, a substance released by the body during an allergic reaction. It belongs to a group of medications called antihistamines.It is used to treat anxiety. It is used to put you to sleep for surgery. It is used to treat mood problems. It is used to treat upset stomach and throwing up. It may be given to you for other reasons. Talk with the doctor.Oct 31, 2016 · Hypotension, though unlikely, may be controlled with intravenous fluids and levarterenol or metaraminol. Do not use epinephrine as hydroxyzine counteracts its pressor action. Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote. Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote. It is doubtful that hemodialysis would be of any value in the treatment of overdosage with hydroxyzine.We need you! See something you could improve? Make an edit and help make WikEM better for everyone.Hydroxyzine is an antihistamine available only with a prescription. It is used to treat symptoms of allergies and motion sickness. Hydroxyzine overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.Tablets. Hydroxyzine belongs to a group of medicines known as sedating antihistamines. It is used to relieve itching caused by some skin conditions, such as nettle rash ( urticaria ). Exposure to substances such as pollen, pet fur, house dust or insect bites can cause some people to produce an excess of a chemical called histamine.Hydroxyzine may cause a condition that affects the heart rhythm (QT prolongation). ... Symptoms of overdose may include: severe drowsiness, seizures. In children, mental/mood changes (such as ... ….

Hydroxyzine is used to help control anxiety and tension caused by nervous and emotional conditions. It can also be used to help control anxiety and produce sleep before surgery. This medicine is also used to relieve symptoms of allergic conditions (eg, chronic urticaria and atopic and contact dermatoses).It is possible to overdose on penicillin. Taking more than the recommended dosage of the antibiotic, which is commonly used to treat bacterial infections like ear infections and re...... overdose on medications. I am sorry that you are feeling this way, is there anyway I can convince you that suicide is not the best option for you. <span ...Available as hydroxyzine pamoate and hydroxyzine hydrochloride; dosage expressed in terms of the hydrochloride. Use the smallest possible effective dosage. Pediatric Patients Anxiety Oral. Children <6 years of age: 50 mg daily given in divided doses. Children ≥6 years of age: 50–100 mg daily given in divided doses. Pruritus OralAntihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings. They're also sometimes used to prevent motion sickness, to treat feeling sick (nausea) or being sick (), and as a short-term treatment for insomnia. Most antihistamines can be bought from pharmacies …Hydroxyzine (hye drox' i zeen) is a first generation antihistamine that is used mostly to treat itching and nausea. Because of its sedating effects, hydroxyzine is also used for anxiety, tension and as a mild sleeping aid. Hydroxyzine belongs to the piperazine class of antihistamines (with cyclizine and meclizine) which are more commonly used ...An overdose of a serotonergic drug. An interaction between two serotonergic drugs. People with this serious condition may experience mental status changes, autonomic instability, gastrointestinal symptoms, and neuromuscular symptoms such as the following: Tachycardia. Dizziness.Table of contents. Can You Overdose on Hydroxyzine? Hydroxyzine Overdose Side Effects. Hydroxyzine Toxicity. What to do if Someone Overdosed on … Overdose hydroxyzine, Hydroxyzine and Zyrtec (Cetirizine) have demonstrable anti-histaminic action in the dog and should be the preferable antihistamine in this species, says the International Task Force on Canine Atopic Dermatitis. For optimal efficacy, antihistamines should be used as preventatives, and they should preferably be given continuously daily. If …, Hydroxyzine: learn about side effects, dosage, special precautions, and more on MedlinePlus Hydroxyzine is used in adults and children to relieve itching caused by allergic skin re..., Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose. Decreased awareness or responsiveness drowsiness nausea …, Overdose Information for Atarax. The most common manifestation of hydroxyzine hydrochloride overdosage is hypersedation. As in the management of overdosage with any drug, it should be borne in mind that multiple agents may have been taken. If vomiting has not occurred spontaneously, it should be induced. Immediate …, First Aid tips for Hydroxyzine Overdose: Hydroxyzine Overdose can be a life-threatening condition. If someone is suspected to have overdosed on hydroxyzine, call 911 (or your local emergency number) for emergency assistance immediately. Call the Poison Control Center at 1-800-222-1222 (or the local poison control center) for further ..., Hydroxyzine is a medication that treats the symptoms of allergies and allergic reactions. It may also be used to treat anxiety. It works by blocking histamine, a substance released by the body during an allergic reaction. It’s a type of antihistamine. It may cause drowsiness. , Jan 28, 2022 · In Canada, hydroxyzine is licensed for the alleviation of pruritic skin disease, allergic rhinitis and for the mitigation of anxiety and nausea. The only pediatric safety study with hydroxyzine conducted in 1984 involved 12 children between 2 and 10 years of age with severe atopic dermatitis and a total drug exposure time of 2 weeks . This ... , Tablets. Hydroxyzine belongs to a group of medicines known as sedating antihistamines. It is used to relieve itching caused by some skin conditions, such as nettle rash ( urticaria ). Exposure to substances such as pollen, pet fur, house dust or insect bites can cause some people to produce an excess of a chemical called histamine., Sep 19, 2022 · Hydroxyzine is a drug prescribed to treat itching caused by a variety of allergic conditions, nausea, vomiting, and alcohol withdrawal. Common side effects of hydroxyzine are sedation, tiredness, sleepiness, dizziness, disturbed coordination, drying and thickening of oral and other respiratory secretions, and stomach distress. Do not take hydroxyzine if pregnant or breastfeeding. , Overdose. Ask your doctor. Q&A. What is hydroxyzine? If you have anxiety, allergies, or a planned surgery, your doctor may prescribe hydroxyzine oral …, Hypotension, though unlikely, may be controlled with intravenous fluids and levarterenol or metaraminol. Do not use epinephrine as hydroxyzine counteracts its pressor action. Hydroxyzine overdose may cause QT prolongation and Torsade de Pointes. ECG monitoring is recommended in cases of hydroxyzine overdose. There is no specific antidote., headache*. insomnia (trouble falling and staying asleep) dizziness. dry mouth *. confusion. constipation*. mild allergic reaction *. * To learn more about this side effect, see the “Side effects ..., Hydroxyzine (hye drox' i zeen) is a first generation antihistamine that is used mostly to treat itching and nausea. Because of its sedating effects, hydroxyzine is also used for anxiety, tension and as a mild sleeping aid. Hydroxyzine belongs to the piperazine class of antihistamines (with cyclizine and meclizine) which are more commonly used ..., Overdose from hydroxyzine is most commonly characterized by hypersedation, but may also manifest as convulsions, stupor, nausea, and vomiting. 18 In cases of overdose, consider the induction of vomiting and the use of gastric lavage. Other treatment should involve general symptomatic and supportive care., Summary. Bupropion is a unique antidepressant with an increased risk for seizures in supratherapeutic doses. Onset of seizures can be delayed 16-24 hours, necessitating prolonged observation times following ingestion of modified-release formulations. The Utah Poison Control Center is available at 1-800-222-1222 for …, HYDROXYZINE (hye DROX i zeen) treats the symptoms of allergies and allergic reactions. It may also be used to treat anxiety or cause drowsiness before a procedure. It works by blocking histamine, a substance released by the body during an allergic reaction. It belongs to a group of medications called antihistamines., Overdose. Withdrawal and dependence. Expiration. What is hydroxyzine? Hydroxyzine is a generic prescription medication. It’s approved by the Food and Drug Administration (FDA) for the..., Descriptions. Hydroxyzine is used to help control anxiety and tension caused by nervous and emotional conditions. It can also be used to help control anxiety and produce sleep before surgery. This medicine is also used to relieve symptoms of allergic conditions (eg, chronic urticaria and atopic and contact dermatoses)., Dec 12, 2022 · It is used to treat anxiety. It is used to put you to sleep for surgery. It is used to treat mood problems. It is used to treat upset stomach and throwing up. It may be given to you for other reasons. Talk with the doctor. , What Happens If I Overdose With Hydroxyzine? If an overdose occurs call your doctor or 911. You may need urgent medical care. You may also contact the poison control center at 1-800-222-1222. Symptoms of overdose include severe drowsiness, dry mouth, difficulty urinating, headache, rapid heartbeat, confusion, impaired coordination, slow ... , Oral. Symptomatic relief of anxiety: 50–100 mg qid. Management of pruritus: 25 mg tid–qid. Sedative (preoperative and postoperative): 50–100 mg. IM. Psychiatric and emotional emergencies, including alcoholism: 50–100 mg immediately and q 4–6 hr as needed. Nausea and vomiting: 25–100 mg. Preoperative and postoperative, prepartum and ..., Hydroxyzine is an antihistamine available only with a prescription. It is used to treat symptoms of allergies and motion sickness. Hydroxyzine is an antihistamine available only wi..., Dilated pupils are the classic symptom of a hydroxyzine overdose. Below are other symptoms of a hydroxyzine overdose in different parts of the body. AIRWAYS AND LUNGS. Shortness of breath; BLADDER AND KIDNEYS. Difficulty urinating; EYES, EARS, NOSE, THROAT, AND MOUTH. Blurred vision; Dry mouth; Enlarged pupils; Dry eyes; Ringing in the ears ..., Hydroxyzine dosage for anxiety. Hydroxyzine is an as-needed anxiety treatment. This is different from many other anti-anxiety medications that need to be taken regularly to be effective. The typical adult hydroxyzine dosage for anxiety is 50 mg to 100 mg 4 times daily as needed. You can take it with or without food., , Hydroxyzine. Trade Names: generic, Atarax, Vistaril ®. Drug Class: H1 Antagonist (piperazine subtype) Mechanism of Action: H1 competitive receptor antagonist (1st generation) Bronchodilator activity, and analgesic effects have been demonstrated experimentally and confirmed clinically. An antiemetic effect, both by the apomorphine test and the ..., Hydroxyzine may cause severe side effects in people with low blood levels of magnesium or potassium. Do not take hydroxyzine with alcohol or illegal drugs, as this can increase the risk of adverse effects. Seek urgent medical care if you take too much hydroxyzine, since overdose is possible and can cause severe effects. When to See a Doctor, Escitalopram, the (S)-enantiomer of citalopram, is a highly selective serotonin reuptake inhibitor. It is approved by the U.S. Food and Drug Administration (FDA) for treating major depressive disorder in adults and adolescents, as well as generalized anxiety disorder in adults. Escitalopram is sold under the brand names Lexapro and Cipralex., Hydroxyzine (brand names Vistaril, Atarax) is a first-generation antihistamine of the diphenylmethane and piperazine class. It was initially synthesized in 1956 and thereafter marketed in the U.S. by the pharmaceutical juggernaut, Pfizer. Although a relatively ancient medication by today’s standards, hydroxyzine is still commonly prescribed ..., Hydroxyzine is also used along with other medications in adults and children as a sedative before and after general anesthesia for surgery. Hydroxyzine is in a class of medications called antihistamines. It works by blocking the action of histamine a substance in the body that causes allergic symptoms. It also works by decreasing activity in ..., Hydroxyzine is contra-indicated in patients with prolonged QT-interval or who have risk factors for QT-interval prolongation; Consider the risks of QT-interval prolongation and torsade de pointes before prescribing to patients taking drugs that lower heart rate or plasma-potassium concentration; In children with body-weight up to 40 kg, the ..., What is hydroxyzine and what does it treat? Hydroxyzine is an antihistamine. It is approved for the treatment of anxiety. However, hydroxyzine is also used to treat difficulty sleeping, nausea, vomiting, itching, skin rash, and allergies. , Typical dosing for Hydroxyzine (Vistaril) Itching. Adults: The typical dose is 25 mg by mouth three to four times daily. Children over 6 years old: The typical dose is 50 to 100 mg by mouth daily, given in separate doses throughout the day. Children under 6 years old: The typical dose is 50 mg by mouth daily, given in separate doses throughout ...