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Antihistamine: Benefits, Reviews, Info, Side Effects!
Rx Details
Antihistamine
Allergy medication, Histamine blocker, H1 antagonist
Diphenhydramine
OTC (Over-The-Counter)
Medication
Drugs
Over-The-Counter (OTC)
Relieves allergy symptoms, reduces itching, alleviates runny nose, decreases sneezing, eases watery eyes, helps with hives, reduces swelling, improves sleep in allergic reactions, assists with cold symptoms, alleviates motion sickness
Blurred Vision, Confusion, Constipation, Dizziness, Drowsiness, Dry Mouth, Fatigue, Headache, Increased Appetite, Nausea, Urinary Retention
The average dosage of an antihistamine can vary significantly depending on the specific type of antihistamine, the condition being treated, the age and weight of the patient, and other factors. Here are some general guidelines for common antihistamines: 1. **Diphenhydramine (Benadryl):** – Adults and children over 12: 25-50 mg every 4-6 hours, not to exceed 300 mg per day. – Children 6-12 years: 12.5-25 mg every 4-6 hours, not to exceed 150 mg per day. 2. **Loratadine (Claritin):** – Adults and children over 6: 10 mg once daily. – Children 2-5 years: 5 mg once daily. 3. **Cetirizine (Zyrtec):** – Adults and children over 6: 5-10 mg once daily. – Children 2-5 years: 2.5-5 mg once daily. 4. **Fexofenadine (Allegra):** – Adults and children over 12: 60 mg twice daily or 180 mg once daily. – Children 6-11 years: 30 mg twice daily. These are general guidelines, and it’s important to follow the specific instructions provided by a healthcare provider or the product packaging. Always consult with a healthcare professional before starting any new medication or supplement.
Allergies, hay fever, common cold, hives, itching, allergic conjunctivitis, motion sickness, insomnia
Generally safe, may cause drowsiness.
May cause drowsiness, dry mouth, blurred vision Avoid alcohol
$5.99 – $19.99
$4 to -$30 for a one-month supply.

A Synopsis of

Antihistamine

Antihistamines are a commonly used medication that helps to alleviate symptoms of allergies, such as sneezing, itching, and a runny nose. They work by blocking the action of histamine, a chemical in the body that is released during an allergic reaction.

There are several different types of antihistamines available, both over-the-counter and by prescription. Some common examples include loratadine, cetirizine, and diphenhydramine. These medications can come in various forms, such as tablets, capsules, liquids, and nasal sprays.

It is important to follow the recommended dosage instructions provided by your healthcare provider or on the medication packaging. Taking too much antihistamine can lead to side effects such as drowsiness, dry mouth, and blurred vision. It is also important to be cautious when driving or operating machinery while taking antihistamines, as they can cause drowsiness.

Antihistamines are generally safe for most people to use, but it is always a good idea to consult with a healthcare provider before starting any new medication, especially if you have any underlying medical conditions or are taking other medications.

Overall, antihistamines can be a helpful tool in managing allergy symptoms and improving quality of life for those who suffer from allergies. If you have any questions or concerns about antihistamines or how they may interact with other medications you are taking, don’t hesitate to reach out to your healthcare provider for guidance.

RxDb Legal Disclaimer

The information provided on RxDB.net is for informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional, such as a doctor or pharmacist, for any questions or concerns regarding your health, medications, or medical conditions. Reliance on any information provided on this website is solely at your own risk. RxDB.net does not provide medical or pharmaceutical services and is not liable for any decisions made based on the information contained herein.

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