Prescription non sedating antihistamines
If these receptors are affected, you may experience some of the side-effects associated with antihistamines.For example, dry mouth, blurred vision and retention of urine.These effects are mainly caused by the older first-generation antihistamines which are described below.
This excessive release of histamine produces the associated symptoms of itching, swelling, runny eyes, etc.
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.
They have a number of uses, but are most often used to treat allergies.
If you are one of the many people who get hay fever each year, you will know all about antihistamines.