Sedating antihistamines uk
Stimulation of these receptors can lead to conditions such as a skin rash or inflammation, a narrowing of the airways (bronchoconstriction), hay fever, or motion sickness.
Histamine-1 receptors are also found in the brain and spinal cord, and stimulation of these receptors makes you more awake and alert.
They are sedating, which means they’re likely to make you drowsy after you use them.
They also don’t last as long in your system, so they require more frequent dosing than the newer generations.
If you believe you are seeing this page in error please contact us.There is little evidence that antihistamines used symptomatically to treat nonspecific itching have any effect greater than placebo.Most of the second-generation antihistamines have been shown to benefit chronic idiopathic urticaria.You may find the Antihistamines article more useful, or one of our other health articles.This term is used to describe drugs that antagonise histamine H1 receptors.