#Best over the counter allergy medicine skin#
They are used when the effect of drowsiness is helpful to the condition being treated such as in some skin conditions where itch can cause sleep disturbance. Sedating antihistamines can make you feel quite drowsy or sleepy. Generally, antihistamines are classified into 2 main groups – sedating antihistamines and non-sedating antihistamines. Different antihistamines are better at treating different symptoms, so ask your GP or pharmacist to advise you on which antihistamine is best for your needs. There are many brands available on prescription from your GP or over the counter at your local pharmacy. Which antihistamines are available in New Zealand?Īntihistamines come in different forms, including tablets, nasal sprays, eye drops and syrups.
This histamine can then bind with receptors to trigger increased blood flow to the surrounding area, which can lead to symptoms such as swelling and increased secretions, resulting in a blocked or a runny nose, watery eyes and, most importantly, itchiness.Īntihistamines don’t stop allergic reactions from happening, but they do block the histamine receptors from being able to be triggered by the histamine that is released, reducing your symptoms. One of these repair chemicals, histamine, is released from repair cells called mast cells, which are scattered throughout the body.
On this page, you can find the following information: They may be used to help reduce feeling sick (nausea) and being sick (vomiting). Antihistamines are mainly used to treat allergies such as hay fever, hives and itching.
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