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Antihistamines are also used in the treatment of feeling sick (nausea) and being sick (vomiting).However, the exact way that they ease these symptoms is not fully understood.Some antihistamines may also have what is known as an antimuscarinic effect.
While both types of medicine block the actions of histamine, they work on different receptors in different systems of the body.
Some of these medicines are available to buy over the counter from your pharmacist. These medicines come in a variety of forms, as mentioned above.
The brain has several key areas which control vomiting.
It is thought that antihistamines block H1 receptors in the area of the brain which creates nausea in response to chemicals in the body.
Chlorphenamine is the antihistamine most used in an emergency situation such as anaphylaxis, and may be given by injection in this situation.
Diphenhydramine (Nytol®) is sold over the counter as a sleep remedy.Antihistamines work by physically blocking the H1 receptors, stopping histamine from reaching its target.This decreases your body's reaction to allergens and therefore helps to reduce the troublesome symptoms associated with allergy.Generally, antihistamines have been classified into two groups: All antihistamines work pretty well to reduce symptoms of allergy.Your doctor or pharmacist may advise or prescribe a particular antihistamine depending on the cause of your allergy and on whether you require a sedating or non-sedating medicine.Antihistamines are a group of medicines which act by blocking the action of the chemical called histamine in the body.Tags: Adult Dating, affair dating, sex dating