Non sedating oral antihistamine Ukrainian cam


05-Nov-2017 15:56

More serious reactions include swelling of the throat and airways, wheezing, and loss of consciousness.The most effective way of managing an allergy is by avoiding contact with the causative allergens.This sedating activity is sometimes used in managing conditions such as eczema where sleep maybe disturbed due to pruritus.Sedating antihistamines also have significant antimuscarinic activity and should be used with caution in patients with prostatic hypertrophy, urinary retention and angle-closure glaucoma.

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Sedating antihistamines cause sedation as they are highly lipid soluble and readily cross the blood brain barrier.Histamine produces increased vascular permeability, causing fluid to escape from capillaries into tissues, which leads to the classic symptoms of an allergic reaction — a runny nose and watery eyes. Antihistamines suppress the histamine-induced wheal response (swelling) and flare response (vasodilation) by blocking the binding of histamine to its receptors or reducing histamine receptor activity on nerves, vascular smooth muscle, glandular cells, endothelium, and mast cells.Itching, sneezing, and inflammatory responses are suppressed by antihistamines that act on H1-receptors.There are many types of allergies, including atopic allergy (allergic rhinitis, eczema, and allergic conjunctivitis), food allergy (commonly caused by eggs, milk, seafood and nuts), insect sting allergy, drug allergy (most common allergens are penicillin-based antibiotics and vaccines) and environment allergy (pollen allergy and dust mite allergies).

Symptoms of allergies include runny nose, sneezing, watery and itchy eyes, skin itching, hives, swelling of the lips, face or tongue, etc.

Examples of sedating antihistamines: Sedation is rare with non-sedating antihistamines, however patients should be made aware that a sedative effect may occur and performance of skilled tasks such as operating machinery or driving maybe affected.