Antihistamine Causes Histamines Receptor Blockage for Allergy, Common Colds, Flu Treatment

Your body produces health promoting histamine proteins in response to a perceived as foreign invader. Histamines activate tissue receptor proteins that cause the triggering of inflammation. The consequence being symptoms like itching, irritation, sneezing and mucus.

Antihistamines block these receptor proteins, thus reducing your annoying symptoms.  And histamine receptor blockage works best if taken ahead of your allergy, cold or flu symptom onslaught.  But afterwards is effective as well.

Antihistamines block allergy, common cold and flu symptoms like:

Antihistamines are often mixed with pain relievers or decongestants to knock down other allergy, common cold and flu symptoms.

Histamine receptor blockage drugs are also helpful for treating:

Antihistamines appear to block messages to the brain from your inner ear that cause nausea and vomiting, hence the motion sickness treatment.

Over-the-counter (OTC) antihistamines are broken down into two treatment types: first generation and second generation.

First generation OTC antihistamine active ingredients are:

Second generation OTC antihistamine active ingredients are:

And fexofenadine (Allegra), used to treat seasonal hay fever(rhinitis)and hives, is available by prescription.

The most frequent side effects caused by antihistamines are sleepiness, dry mouth and dry eyes. Yet, the second generation antihistamines are less likely to cause them.

Talk to your health care person prior to taking an antihistamine if you suffer from any of these health problems or take any of these drugs:

Antihistamines are also available topically and as nasal sprays. Additionally, histamine receptor blockers are used to treat ulcers by interfering with the production of stomach acids.

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