Difference between sedating and non sedating antihistamines

08 Nov

" April 25, 2003 -- Timely research for the start of hay fever season: Despite their higher cost, the newer, so-called "second generation" of more expensive "nonsedating" prescription antihistamines may be no more effective at preventing fatigue and memory lapses than older over-the-counter formulas such as Benadryl.

So concludes a new study published in the current issue of Journal of Allergy and Clinical Immunology in which researchers compared 18 previous trials investigating antihistamine-caused sedation levels in 1,500 people between ages 8 and 81.

The people who were intoxicated drove as though they were.

And in many cases, over time the sedation became less of a problem, so they were able to take them twice a day," Cohen tells Web MD.

They are designed for health professionals to use, so you may find the language more technical than the condition leaflets.

This term is used to describe drugs that antagonise histamine H1 receptors.

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.