of antihistamines on signs and symptoms of the common cold. Background On average, young children have six to eight colds per year and adults have two to four.Common cold symptoms include sore throat, nasal stuffiness and discharge, sneezing and cough.The effect of different antihistamines was compared to .A beneficial effect meant a decrease in the severity or duration of the general feeling of illness and/or of specific symptoms such as stuffy nose, runny nose or sneezing.The released histamine binds to its receptors (H-1 receptors) causing a chain reaction that includes an increase in blood flow to the area, and the release of other chemicals that add to the allergic response. Antihistamines work by blocking histamine receptors, therefore reducing the reactions that cause itching.However, histamine is only one of many substances in the body that cause itching, and these medicines are mainly of value in eczema because they cause sedation.
Most studies were of good quality although in some studies information to allow us to assess quality was lacking.
Antihistamines are medicines that can be used to relieve severe itching and help break this cycle.
Often you will find that the itchiness of your skin is reduced when you use regular moisturisers to keep the skin soothed and hydrated, and control the inflammation with topical corticosteroids or other newer medicines.
Many people find the worst symptom of their eczema is severe itching.
Scratching relieves the itch, but also makes the inflammation and the itching worse because it causes more inflammatory substances to be released within the skin.