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Doctor insights on: Can Alfalfa Cause Hives

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What causes hives?

What causes hives?

Many causes: There are many causes of hives and these include infections, medications, bee/wasp stings, food allergies, environmental allergies, stress, cold temperatures, and exercise amongst other rarer causes. Oftentimes, hives are idiopathic, meaning there is no known cause. For further evaluation and management, consultation with a board-certified allergist is recommended for evaluation and management. ...Read more

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Dr. Qamar Khan
3 doctors shared insights

Hives (Definition)

Reference site: http://www.Aad.Org/skin-conditions/dermatology-a-to-z/hives. ...Read more


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I get hives in the fall. It usually starts after the first frost. Is temperature change a cause of hives?

I get hives in the fall. It usually starts after the first frost. Is temperature change a cause of hives?

Possibly: Hives can be triggered from any number of things, including certain exposures. Going from a warm home to a cold environment could be enough of a noxious stimulus to trigger histamine release, thus precipitating hives. Other causes are stress, certain ingested chemicals, and obviously, allergies. ...Read more

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What causes hives?

What causes hives?

Many causes: There are many causes of hives and these include infections, medications, bee/wasp stings, food allergies, environmental allergies, stress, cold temperatures, and exercise amongst other rarer causes. Oftentimes, hives are idiopathic, meaning no known cause. For further evaluation and management, consultation with a board-certified allergist is recommended. ...Read more

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Can drugs cause hives?

Yes: Development of hives with any respiratory distress should be considered possible anaphylactic reaction and requires prompt emergency medical care. ...Read more

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What causes chronic hives?

What causes chronic hives?

Chronic Urticaria: Agree with Dr. Al Hegab. The cause of chronic idiopathic or spontaneous urticaria (hives) is currently unknown. It is not due to any medication or food trigger. No specific cause can be identified in most patients. Screening labs can be drawn by Allergist to see if hives caused by autoimmune condition including thyroid disorder. Typical screening labs include CBC/diff, CMP, TSH, ESR/CRP. ...Read more

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Hives appear out of nowhere, even when my diet hasn't changed nor the have I products I use. They last no more than 24hrs. What could cause this?

Many things: Assuming this is new for your, the most common cause is infection (even instances you're not aware of) resulting in activation of immune pathways in skin that trigger mast cells. Usually, hives resolve and we never know the cause. For other causes: http://emedicine.medscape.com/article/137362-overview#aw2aab6b2b3aa. OTC Zyrtec may help if no contraindications. Consult Allergist if need more help ...Read more

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Are hives caused by contact substances or internal substances such as food?

Are hives caused by contact substances or internal substances such as food?

Can be either: Hives can be caused by food, contact with substances, stress, cold, exercise, etc. They are simply a reaction to something and not specific for any one cause. If there is any shortness of breath, tightness in the chest or chest pain seek immediate medical evaluation. ...Read more

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Exposure to what substances causes hives?

Food, drugs, stings: Common causes of acute hives (hives lasting less than 6 weeks) are foods, medications and insect stings from honey bees, yellow jackets, hornets and wasps. Most common foods: peanuts, tree nuts, sesame, milk & any dairy product, egg, shellfish, fish, wheat, corn & soy. Most common drugs: antibiotics, aspirin, ibuprofen, naprosyn. ...Read more

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I get hives ever evening. What. Causes that?

Hives : Chronic hives are mostly of an unknown cause but you should be evaluated by an allergist to help elucidate the cause if any. ...Read more

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Can a product used before then not for a while cause hives?

Yes: U can develop a new allergy at any time in ur life, whether u have used it before or not. We frequently develop allergy to things we have used, eaten, exposed to before. ...Read more

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