Some antihistamines may also have what is known as an antimuscarinic effect.
Specialised cells and chemicals, which defend your body, can now get access to the area.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.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.(Mucosae are membranes lining body cavities such as your mouth, nose and digestive tract.) If your skin is damaged or your immune system detects a foreign substance, histamine is released from mast cells.