NiHowdy > Therapeutic Classes > Antihistamines (Allergies)

Browse Medications by Therapeutic Class: Antihistamines (Allergies)

Written by Amar Lunagaria

Pharm.D • NiHowdy Founder

Reviewed by James Wong

Pharm.D • NiHowdy Founder

Updated Jan 27, 2025

•

Published Jan 15, 2025

Fact checked

What are Antihistamines (Allergies)?

Antihistamines are medications used to treat allergy symptoms by blocking the effects of histamine, a chemical released during allergic reactions. These medications help relieve sneezing, itching, runny nose, and other allergy-related symptoms, improving comfort and quality of life.

How do Antihistamines (Allergies) work?

Antihistamines work by blocking histamine receptors in the body, preventing histamine from triggering allergic responses. This helps reduce inflammation, itching, and other symptoms caused by allergens like pollen, dust, or pet dander. They provide quick relief and help manage seasonal, environmental, and food-related allergies.

What conditions do Antihistamines (Allergies) treat?

Antihistamines are commonly prescribed to treat:

Seasonal allergies (hay fever)
Allergic rhinitis
Urticaria (hives)
Food allergies
Drug allergies
Itchy skin conditions (e.g., eczema, insect bites)
Motion sickness (for some antihistamines)

These medications provide effective relief, helping individuals manage allergies and related conditions more comfortably.

Common medications in Antihistamines (Allergies)s

Popular antihistamine medications include:

Loratadine (Claritin): A non-drowsy option for seasonal allergies
Cetirizine (Zyrtec): Effective for hay fever and hives
Diphenhydramine (Benadryl): Provides quick relief for allergic reactions
Fexofenadine (Allegra): A long-acting antihistamine for allergy symptoms
Hydroxyzine (Atarax, Vistaril): Treats itching and anxiety-related allergies

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List of drugs in Antihistamines (Allergies)

Drug Name	More Information	NiHowdy Prices & Bitcoin Rebate

Azelastine HCl	Azelastine HCl Information	Azelastine HCl Pricing
Azelastine-Fluticasone	Azelastine-Fluticasone Information	Azelastine-Fluticasone Pricing
Carbinoxamine Maleate	Carbinoxamine Maleate Information	Carbinoxamine Maleate Pricing
Cetirizine HCl	Cetirizine HCl Information	Cetirizine HCl Pricing
Clarinex	Clarinex Information	Clarinex Pricing
Clemastine Fumarate	Clemastine Fumarate Information	Clemastine Fumarate Pricing
Clobetex	Clobetex Information	Clobetex Pricing
Cyproheptadine HCl	Cyproheptadine HCl Information	Cyproheptadine HCl Pricing
Desloratadine	Desloratadine Information	Desloratadine Pricing
Dexchlorpheniramine Maleate	Dexchlorpheniramine Maleate Information	Dexchlorpheniramine Maleate Pricing
Di-Phen	Di-Phen Information	Di-Phen Pricing
Diphen	Diphen Information	Diphen Pricing
diphenhydrAMINE HCl	diphenhydrAMINE HCl Information	diphenhydrAMINE HCl Pricing
Dymista	Dymista Information	Dymista Pricing
Karbinal ER	Karbinal ER Information	Karbinal ER Pricing
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride Information	Levocetirizine Dihydrochloride Pricing
Olopatadine HCl	Olopatadine HCl Information	Olopatadine HCl Pricing
Patanase	Patanase Information	Patanase Pricing
Phenergan	Phenergan Information	Phenergan Pricing
Promethazine HCl	Promethazine HCl Information	Promethazine HCl Pricing
Promethegan	Promethegan Information	Promethegan Pricing
Pyrilamine Maleate	Pyrilamine Maleate Information	Pyrilamine Maleate Pricing
Ryaltris	Ryaltris Information	Ryaltris Pricing
RyClora	RyClora Information	RyClora Pricing
RyVent	RyVent Information	RyVent Pricing

Benefits of Antihistamines (Allergies)

The benefits of antihistamines include:

Fast and effective relief from allergy symptoms
Reduced inflammation, itching, and discomfort
Improved ability to manage seasonal or environmental allergens

At NiHowdy, we make these benefits accessible with affordable pricing and Bitcoin rebates, empowering you to focus on managing your allergies without financial worries.

Side effects of Antihistamines (Allergies)

While antihistamines are effective, they may cause potential side effects, such as:

Drowsiness or fatigue (with first-generation antihistamines)
Dry mouth or throat
Mild dizziness or nausea

These medications are safe when used as directed by your healthcare provider. NiHowdy helps you manage these treatments affordably, so you can focus on finding relief without financial stress.

How NiHowdy helps with Antihistamines (Allergies)

NiHowdy supports your allergy management journey by offering savings on antihistamine medications. Every purchase includes Bitcoin rebates, providing financial value while ensuring you have access to effective treatments for allergies.

NiHowdy success story

Meet Jenny, who struggled with seasonal allergies every spring. By using Loratadine through NiHowdy, Jenny saved $15 on her prescription and earned Bitcoin rebates. These savings allowed her to stay comfortable and enjoy the outdoors without worrying about allergy symptoms.

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250mg • 30 capsules

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