Types of Antihistamines – The Antihistamine Directory

By | May 25, 2011

There are many types of antihistamine drugs and natural elements. This article provides you with resources to learn about each type of antihistamine and how it may help with your allergies.

This section details the different types of antihistamines.  If you want to learn about antihistamine brands, click here Antihistamine Brands.

First Generation Antihistamines

First generation antihistamines are also called OTCs and include brand names such as Benadryl, Tavest and Drixoral. All of these drugs have something in common to fight the symptoms that allergies bring on: six similar chemical classes. Click here to learn more about First Generation Antihistamines.


Second Generation Antihistamines

A second generation antihistamine drug stops the histamines from creating the extra fluid that makes your nose and eyes run when you have allergies. Before second generation antihistamines were developed, though, there were first generation antihistamines.Click here to learn more about Second Generation Antihistamines.


Non Sedating Antihistamines

Non-sedating antihistamines are helping to improve the lives of countless people who suffer from the symptoms of serious allergic reactions. Although antihistamines are by no means a recent discovery, the development of the new class of non-sedating antihistamines allows many more allergy sufferers to benefit from the therapeutic effects of the drugs without experiencing their annoying and often unmanageable side effects such as sedation, which is a condition or state in which one feels overly calm and serene; it is akin to being tranquillized. Click here to learn more about Non Sedating Antihistamines.


Antihistamine Eye Drops

People with allergic conjunctivitis can find numerous eye drops containing antihistamine readily available for effective treatment. Many of these drops can be purchased over the counter. By using an eye drop containing antihistamine before you are exposed to allergens, the histamine reaction can be stopped.


Non Drowsy Antihistamine

Non-drowsy antihistamine is a powerful and effective treatment for allergic reactions but should always be ingested according to the doctor’s orders and directions on the package.


Antihistamine Nasal Spray

An antihistamine nasal spray is taken in the same manner as other nasal sprays. The spray bottle may need to be primed the first few times it is used. Some antihistamine nasal sprays will direct the user to shake the bottle before priming or use, so follow the directions for it.


Antihistamine Cream

An antihistamine cream can aid in situations where there is an insect bite. When someone is bit, the spot of skin becomes inflamed and itchy. This happens because histamine causes antibodies to go to the site of the bite to fight off infection.


Over The Counter Antihistamine

An over-the-counter antihistamine differs from a prescription antihistamine mainly due to the severity of one’s allergic reactions. Most allergies can be both treated and prevented with an over-the-counter antihistamine, saving individuals both the cost and the hassle of a doctor visit.


Prescription Antihistamines

A prescription antihistamine may also be an important consideration because it may work when an over the counter version does not. If you have tried all of the over the counter antihistamine, and they have not worked for you, it may be time to consider a prescription.


Oral Antihistamines

Oral antihistamines can be consumed with milk or food if stomach upset occurs. However, timed-release capsules and tablets must be swallowed. Crushing or chewing long acting or sustained release tablets or capsules can increase possible side effects.


Antihistamine Tablets

Antihistamine tablets are used many times instead of liquid, pills and capsules, each of which has benefits and drawbacks. Some liquids might taste terrible. Sometimes, the medicinal compound won’t compress into pill form.


Antihistamine Liquids

Liquid antihistamine comes as an oral medication, throat spray, nasal spray and eye drops. Nasal antihistamine is not as effective as steroids, but many people are not able to tolerate the steroids or are concerned about the side effects and prefer an antihistamine.


Antihistamine Injections

With an antihistamine injection, the medication reaches the patient’s bloodstream immediately, allowing the medication to take effect immediately. An antihistamine blocks histamine, which is the chemical in the body that is released during an allergic reaction.


Antihistamine Suppositories

Antihistamine suppositories are unremarkable in shape when compared to other types of suppositories. When immediate results are required, the antihistamine suppositories’ function is to relieve symptoms fast.