During a reaction, your immune system releases antibodies. These are proteins that deliver a message to cells: Stop that substance! The cells then send out histamine, which causes blood vessels to expand, and other chemicals, and these trigger the allergy symptoms. ...
If the release of the mediators is sudden or extensive, the allergic reaction may also be sudden and severe, and anaphylaxis may occur. Allergic reactions are unique for each person. Reaction time to allergens can vary widely. Some people will have an allergic reaction immediately; for others, ...
Allergic Reaction and Counter-ReactionThe Allergy Society of South Africa - representing doctors who treat allergies and intolerances the traditional way - has publicly questioned companies which claim that their tests are more effective, especially for so-called delayed allergic reactions....
Your doctor can guide you onmedicationsthat can help treat your rash5.Over-the-counter antihistamines, available in pills, lotions and ointments, are commonly recommended because they block the effects of histamine, an immune system compound responsible for allergy symptoms. Corticosteroid cream or oin...
Only a trace amount of the trigger may be needed to cause a severe reaction. Triggers of allergic reactions, including anaphylaxis, may include: Prescription and over-the-counter medications (see Drug allergy) Venom of stinging insects such as yellow jackets, bumble bees, honey bees, wasps, ...
You have any of the following signs or symptoms of an anaphylactic reaction: You feel itchy, or you have a rash, or hives that have spread over your body. You have trouble breathing, swelling in your mouth or throat, or wheezing.
Most Americans will have an allergic reaction to poison ivy, oak, and sumac. WebMD explains the cause, how to treat a reaction, how to recognize the plant, and how to prevent exposure.
The other is asprayerdevice sold by Aptar Pharma that is already used in a number of products. It's the same type of sprayer used by theNarcan-brand nasal sprays of naloxone, which are used to treat drug overdoses and wererecently greenlightedby the FDA for over-the-counter sales. ...
Anaphylaxis involves a sudden, potentially life-threatening reaction to an allergen, including even very small amounts of food allergens such as egg or peanut.
Over-the-counter (OTC) products that may be helpful for rash treatment include: gentle, fragrance- and oil-free moisturizers. oral antihistamines if the rash is caused by an allergic reaction. topical hydrocortisone cream to relieve itching. ...