antihistamine

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antihistamine
ˌantiˈhistamine, a. and n. [anti-1 6 d.] A. adj. That counteracts the effect of histamine. B. n. A synthetic drug having this property, used esp. in the treatment of certain allergic conditions. So ˌanti-histaˈminic a. and n.1933 A. C. H. Yen & Hsi-Chun Chang in Proc. Soc. Exper. Biol. XXXI. 338 The... Oxford English Dictionary
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Antihistamine
Chlorphenamine (Piriton), a less sedating antihistamine, was synthesized in 1951, and hydroxyzine (Atarax, Vistaril), an antihistamine used specifically The first non-sedating antihistamine was terfenadine (Seldane) and was developed in 1973. wikipedia.org
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Antihistamine Overdose: Types, Symptoms, and Treatment - Healthline
To avoid life-threatening complications, call 911 or go to the emergency room if you have any symptom of an overdose. You can also call the Poison Control Help Line at 800-222-1222. Antihistamine ...
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Clinical Practice Guidelines : Antihistamine poisoning
In overdose symptoms can include dizziness, tachycardia, headache drowsiness or agitation. While the current generation of lesser sedating antihistamines do not affect the QT interval at normal doses (unlike the previous generation of medicines), there are concerns there may be some effect in overdose. Examples. Cetirizine; Desloratadine ...
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antihistamine
antihistamine/ˌæntɪˈhɪstəmi:n; ˌæntɪ`hɪstəmin/ n[C, U](medical 医) any of a variety of drugs used to treat allergies 抗组胺剂, 抗组织胺药(用於医治变应性反应的多种药物). 牛津英汉双解词典
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Diphenhydramine: drowsy (sedating) antihistamine - NHS
Talk to your doctor or pharmacist if these side effects bother you or do not go away: feeling sleepy, or drowsy, during the daytime. dry mouth. feeling dizzy or unsteady on your feet, or having difficulty concentrating. Diphenhydramine cream can sometimes make your rash worse. It may also make your skin sensitive to sunlight.
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Table: Antihistamine Dosages - Merck Veterinary Manual
Cats: 1 mg/kg or 5 mg/cat, PO, q 12-24 h as needed . Fexofenadine. Dogs: 2-5 mg/kg, PO, q 12-24 h as needed . Cats: 10-15 mg/cat, PO, q 12-24 h as needed . Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives around the world ...
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8 Antihistamine Side Effects You Should Know | SELF
Here are some of the most common antihistamine side effects that you should know about. 1. Sedation. Feeling drowsy or sleepy is one of the most common antihistamine side effects, especially in ...
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Antihistamine overdose: Symptoms and what to do - Medical News Today
Taking too much antihistamine can lead to adverse side effects and a potential antihistamine overdose. Signs may include fast heart rate, fever, and dilated pupils. Antihistamines are a class of ...
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Antihistamine Toxicity - StatPearls - NCBI Bookshelf
Apr 29, 2023Patients need to understand that even though these drugs are available over-the-counter, they can still cause significant toxicity and adverse effects. The healthcare team should counsel regarding the signs of antihistamine overdose. The patient should be told to store these medications in a secure location in the home, away from children.
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Aug 26, 2020: What is the Treatment of Antihistamine Overdose?
Tachycardia can be quite impressive, especially if the patient is agitated. Diphenhydramine ingestions can cause QRS widening due to blocking of cardiac sodium channels. Treatment is based on symptoms with IV fluids for tachycardia, benzo's for agitation and seizures, urinary catheter for urinary retention, and cooling measures for ...
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What's the Best Non-Drowsy Antihistamine for Allergies?
Feb 13, 2023Examples include diphenhydramine (Benadryl, ZzzQuil) and chlorpheniramine (ChlorTabs). Second- and third-generation antihistamines are less likely to cause drowsiness. Of these, cetirizine works the fastest but has a higher chance of making you feel drowsy. Fexofenadine is the least drowsy option. We can't say for certain which non-drowsy ...
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Is Benadryl Antihistamine Safe for Pregnant Women?
The sedating effect of Benadryl can cause dizziness, drowsiness and fatigue. Fatigue is a common symptom in pregnancy, so pregnant mothers should be careful not to drive while taking Benadryl. Also avoid taking it with other sleep medicines which might increase drowsiness as well as increase risk of fetal death.
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Antihistamine, Decongestant, And Analgesic Combination (Oral Route)
Antihistamine, decongestant, and analgesic combinations are taken by mouth to relieve the sneezing, runny nose, sinus and nasal congestion (stuffy nose), fever, headache, and aches and pain of colds, influenza, and hay fever.
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How to Choose the Best Antihistamine for Dogs | Pettable
Zyrtec (Cetirizine) Zyrtec has become a common antihistamine for treating dog allergies thanks to its convenient dosing schedule. Additionally, while dogs react to antihistamines differently, Zyrtec has had a higher response rate than others. The drug has minimal side effects, although some pets do become drowsy.
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