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Doctor insights on: Allergic Reaction To The Sun

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Dr. John Chiu
2,586 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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I don't know if it is a allergic reaction to the sun or my sunscreen but every time I go out for a long time in the sun I get scratchy bumps that sting a lot and I usually have to stay the rest or the day in my bed?

I don't know if it is a allergic reaction to the sun or my sunscreen but every time I go out for a long time in the sun I get scratchy bumps that sting a lot and I usually have to stay the rest or the day in my bed?

? solar urticaria: Yes, there is such thing, allergy to sun rays, you may want to avoid sun exposure from 10 am -4 pm, limit exposure if you have to, use heavy sun screen UPF > 50, that if u have to stay outdoors, also 2nd generation OTC antihistamines taken regularly, will help, you need evaluation hy an allergist/dermatologist as other treatment modalities with correct diagnosis, like phototherapy, are available, ...Read more

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Serious skin tingling all over my body when I get warm or step into the sun. Is this an allergic reaction?

Serious skin tingling all over my body when I get warm or step into the sun. Is this an allergic reaction?

May be: It can be a form of sun induced dermatitis or it can be secondary to cholinergic urticaria. Consult with an allergist and you may need to have some blood tests done. ...Read more

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What is an allergic reaction?

What is an allergic reaction?

An altered reaction: The roots of "allergy" are from greek "allos" (different) and "ergos" (action). So, an allergic reaction is a "different" (from normal) reaction. The reaction occurs to an allergen. An allergen can be a pollen (ragweed), food (peanut), animal (dust mite or bee venom), or other foreign substances. Symptoms occur due to histamine and other chemicals and cause sneezing, runny nose, etc. ...Read more

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What to do if allergic reaction!?

What to do if allergic reaction!?

Allergic Reaction?: Not sure what you mean by allergic reaction. If you are referring to anaphylaxis then epinephrine is the treatment of choice, call 911. Allergic rhinitis is treated with OTC antihistamines, daily intranasal steroid or antihistamine sprays, saline rinses, etc. Allergy shots also an option. Avoidance of triggers is important but see an Allergist first to determine exactly what you are allergic to. ...Read more

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What is causing my allergic reaction?

What is causing my allergic reaction?

Why allergists exist: Finding & treating the cause of allergic reactions is the main function of an allergist. A solid understanding of the immune system is required, so that immunology goes hand in hand. Timing, prevalence of various causes, location, description, examination, associated factors, family history and finally testing enables allergists to identify the culprit, if one is present; treatment is pt-centered. ...Read more

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How can I treat an allergic reaction?

How can I treat an allergic reaction?

Benadryl (diphenhydramine): Immediately stop eating the food you think is causing the problem. Take liquid or dissolving Diphenhydramine (benadryl). If your reaction is worse: cough, shortness of breath, wheezing, chest tightness, difficulty breathing, hives all over your body, swelling of lips and tongue, etc., then you need to use your Epinephrine autoinjector (epipen, twinject) and go to the nearest emergency room. ...Read more

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What to do about an allergic reaction?

What to do about an allergic reaction?

Call your doctor: For mild symptoms I would call your doctor. If there symptoms are severe such as trouble breathing, throat closing, feeling faint you should call 911 and go to the emergency room. ...Read more

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Could I get the same allergic reaction?

Could I get the same allergic reaction?

Yes.: The nature of allergy is that repeat exposure results in repeat, and often more exaggerated, response. There is always the question of whether the initial reaction was true allergy or something else like irritant response or drug side effect. Another important aspect of allergy is "cross-reactivity", which occurs when similarly structured molecules (eg drugs in the same family) are recognized. ...Read more

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What can an allergic reaction feel like?

What can an allergic reaction feel like?

Depends where: In the skin itchy. In the nose itchy, sneezy, runny & stuffy. In the eye itchy and teary. In the lungs coughing, wheezing, weight on chest. In the digestive tract nausea, vomiting, cramps, diarrhea. ...Read more

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What's an allergic reaction? Is mcs real?

What's an allergic reaction? Is mcs real?

Inflammatory rxn: An allergic reaction is the body's defense against an agent it considers harmful or toxic to the body. Most allergic reactions start with food allergies that are undiagnosed and "rev up" the immune system leading to multiple other reactions to environmental items as in mcs. First firgure out what's wrong with the gut and fix it and the immune system will settle down and others will lessen/go away. ...Read more

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How do I figure out my allergic reaction?

How do I figure out my allergic reaction?

Allergic reaction: Allergic reactions can be quite varied. A visit to the allergist can help determine what is triggering your reaction and the best way to manage it. ...Read more

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How quickly does allergic reaction appear?

How quickly does allergic reaction appear?

Agree with Dr Sinha: Usually quickly, but some reactions develop slowly. Delayed allergic reactions can appear days and even weeks after an exposure. Depends on the immune response that is involved. ...Read more

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How can I treat a minor allergic reaction?

What reaction?: You don't tell us what symptoms you had. True allergic reactions usually respond to a few otc tablets of antihistamines. Without more data, I can't b more specific. ...Read more

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What's an allergic reaction to cheap metal?

What's an allergic reaction to cheap metal?

Often to nickel: The skin can get red itchy and bumpy...Stop wearing it and if not severe (or infected) try cortisone cream (not benadryl) and avoid the jewelry. If it happens with several pieces, bring them to an allergist with a description of the reaction (and maybe picures). The testing can often be done. ...Read more

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What should an allergic reaction look like?

Depands where: On skin like hives, on tongue swollen, lips swollen, in lungs wheezing and cannot breath. ...Read more

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How to know if I have an allergic reaction?

How to know if I have an allergic reaction?

Typical: Allergic reactions often causes itching but the symptoms are greatly organ-dependent. *Nose- congestion, runny nose, sneezing *Eyes- itching, redness, tearing *chest-wheezing, shortness of breath, and coughing. Other conditions include hives from food, itchy mouth and throat from certain fruits, and rarely anaphylaxis. Contact skin allergy is yet another but the mechanism is different. ...Read more

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Can you tell me about an allergic reaction?

Can you tell me about an allergic reaction?

Allergic reaction: Theycan vary but can include hives, wheezing, nausea, vomiting, abdominal cramps, diarrhea, shortness of breath, throat closiing, syncope, lip or facial swelling ...Read more

Dr. John Chiu
1,033 Doctors shared insights

Allergic Reaction (Definition)

Sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more