Treatment of hayfever with loratadine a new non sedating antihistamine

Posted by / 01-Jan-2018 21:22

Treatment of hayfever with loratadine a new non sedating antihistamine

Two types of OTC antihistamines are available: first-generation and second-generation. First-generation antihistamines are sometimes used in OTC cold medicines.When your body is exposed to allergens (something that triggers an allergy), it makes histamines. This can cause itching, sneezing, runny nose, and watery eyes.First generation antihistamines are used less often to treat allergies because they cause significant sedation.

(A second type of antihistamine is used primarily for suppressing acid production in the stomach and treating acid-related diseases such as ulcers of the stomach.

They are used primarily to treat disorders where abnormal or excessive histamine release by inflammatory cells is thought to underly illness.

This includes conditions such as: Other conditions such as hyper-reactive (vasomotor) rhinitis and pruritus of any cause are commonly treated with antihistamines, although there is little evidence that histamine plays a contributory role.

Some antihistamines also may be used occasionally to help with sleep.

Many different brands and forms of oral antihistamines are available over the counter (OTC).

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First generation antihistamines are usually used on an as-needed basis or before bedtime to occasionally help with sleep.