Favourites: Alli • Alpecin • Canesten • Curanail • Freederm • Glucosamine • Imodium • Infacol • Nicorette • Niquitin • Regaine • Zovirax • more... Unauthorised use of images and text contained within this site is prohibited.Though we are an online pharmacy, information contained on this web site is not intended to replace discussions with a healthcare professional such as your doctor or a pharmacist.The non-sedating antihistamines include cetirizine, desloratadine, fexofenadine, levocetirizine and loratadine.In overdose they cause mild CNS depression, in therapeutic and supra therapeutic doses they have been associated with QT prolongation.They do, however, have the potential for negative effects if taken with other drugs, so let your doctor know if you are taking more than one medication.Doxylamine can be used by itself as a sleep aid or combined with other drugs for cold and allergy relief (usually in a night-time formula).
It encompasses two major subtypes: chronic spontaneous urticaria (CSU) (previously known as chronic idiopathic urticaria) (CIU) and chronic inducible urticaria.
According to the International Guidelines for the management of urticaria and angioedema non-sedating, second generation antihistamines (NSAHs) are recommended for the treatment of CU .
Nevertheless, a considerable proportion of patients do not respond sufficiently to NSAHs.
For people who need to get to sleep, however, the drowsiness is the main benefit of antihistamines.
These are usually not prescription drugs and can be purchased at retailers over-the-counter.