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Allergic conjunctivitis ( AC) is inflammation of the conjunctiva (the membrane covering the white part of the eye) due to allergy. [ 1] Although allergens differ among patients, the most common cause is hay fever. Symptoms consist of redness (mainly due to vasodilation of the peripheral small blood vessels ), edema (swelling) of the conjunctiva ...
Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [ 6] Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. [ 1] The fluid from the nose is usually clear ...
Levocetirizine, sold under the brand name Xyzal, among others, is a second-generation antihistamine used for the treatment of allergic rhinitis (hay fever) and long-term hives of unclear cause. [ 3] It is less sedating than older antihistamines. [ 4] It is taken by mouth.
Side effects may include allergic reactions, eye pain, and dilated pupils. [ 2 ] [ 4 ] [ 3 ] It is unclear if use in pregnancy is safe. [ 1 ] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching.
Detroit Metropolitan Wayne County Airport, 39.48%% late flights delayed, average delay time of 11.91 minutes. Salt Lake City International Airport, 33.47% late flights delayed, average delay time ...
Allergic response. Dermatographic urticaria. An allergic response is a hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury.
A link between these types of drugs and cognitive impairment isn't a totally new discovery, but for the first time, researchers used brain imaging techniques to determine the physical changes ...
In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses. [ 1] Most humans mount significant Immunoglobulin E responses only as a defense against parasitic infections. However, some individuals may respond to many common ...