They are also added to medicines to treat coughs and colds.
Antihistamines work by blocking the effect of histamine in your body.
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Your doctor may recommend antihistamines that you don’t need to take so often.
This can make it easier to stick to the recommended dose. This can make some people more susceptible to glaucoma.
Download printable PDF Respiratory allergy now affects more than 20% of the U. Diagnosis of allergy may be obvious when symptoms recur seasonally.
And we’re embracing new technology and social media so they can get it whenever and wherever they choose.Photos are only for illustrative purposes and do not reflect every presentation of a condition.The information contained on this page and in any third party websites referred to on this page is not intended nor implied to be a substitute for professional medical advice nor is it intended to be for medical diagnosis or treatment.Legal disclaimer This information was published by Bupa's Health Content Team and is based on reputable sources of medical evidence.It has been reviewed by appropriate medical or clinical professionals.You may then need further treatment, for example with steroids and antihistamines, to reduce the allergic response.