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Doctor insights on: What To Take If You Have An Allergic Reaction

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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

Dr. John Chiu
2,709 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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How to tell if I have an allergic reaction to dairy?

How to tell if I have an allergic reaction to dairy?

Timing and symptoms: Dairy or milk allergy is most common in young children and can present as hives, rash, cough, vomiting, diarrhea, flare of eczema or even more severe symptoms. The symptoms will improve when dairy is stopped and return if dairy is reintroduced. An allergist can perform a skin test or order a blood test to confirm your suspicion. ...Read more

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Can someone be allergic to anti-histamines and what else can you take if an allergic reaction occurs?

Can someone be allergic to anti-histamines and what else can you take if an allergic reaction occurs?

Occasionally yes: but not to all antihistamines, often times the allergy is to an inactive ingredient in the drug, but true allergy to antihistamines is there, rare though, if need be you can try 2nd or third generation antihitamine under your doctor's supervision, goo luck ...Read more

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How to tell if i had an allergic reaction to antihistimine?

How to tell if i had an allergic reaction to antihistimine?

This is uncommon: Antihistamines are used to treat allergic reactions. Unfortunately, some people have adverse reactions to antihistamines, but these reactions are not true allergic reactions. They can include drowsiness, dry mouth, GI upset, etc. Thankfully, there are many antihistamines to choose from so their are options. Sometimes, it may not be the antihistamine itself but another ingredient like a dye. ...Read more

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How can you know if have an allergic reaction to cephalexin ?

How can you know if have an allergic reaction to cephalexin ?

Timing, symptoms: There are different kinds of reactions one can have to antibiotics. There are many factors in the history which help diagnose this (timing of the reaction in proximity to the antibiotic, oral/iv, past history, family history). An allergist can perform testing to help confirm Cephalexin allergy if necessary. ...Read more

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Can you have an allergic reaction to omeprazole?

Can you have an allergic reaction to omeprazole?

Yes: Theoretically, a person could have an allergic reaction to any medication including omeprazole. There is no good way to know ahead of time if a person is going to have a reaction. In general Omeprazole and other ppi drugs are well tolerated. However, if a reaction occurs, stop the drug and call the doctor. Frequently there is a suitable alternative that can be used. ...Read more

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How to know if I have an allergic reaction to alcohol?

How to know if I have an allergic reaction to alcohol?

Couple things: Couple things here-first of all, there are medications well know to interact with alcohol: 'disulfiram reactions'. Common one: Flagyl. I saw this on an airplane; little old lady was beet red after a mixed drink. No harm. Also some people develop nasal congestion - wicked stuffed up - trick is certain drinks bother them, and not others. Or simply exaggerated flushing, such as with Rosacea. See MD. ...Read more

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How do you know if you had an allergic reaction to acne medication?

Allergic reaction: One would assume this is a topical preparation. The way to know is to use it, if the reaction happens....Stop it. If the reaction goes away, then you reintroduce. If it returns, then you are likely reacting to it. ...Read more

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What can you take if you have a penicillin allergy?

What can you take if you have a penicillin allergy?

Skin testing: 90% of pt labelled as PCN allergic are not PCN allergic. PCN skin testing and possible oral challenges can be done to clarify this reported sensitivity. ...Read more

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What would the rash look like if you had an allergic reaction to brometane?

What would the rash look like if you had an allergic reaction to brometane?

Varies: If you think you having an allergic reaction to any drug contact the doctor who prescribed the drug if you can stop the drug .Discuss whether you can use another drug which will not give you possible reaction. If the drug is essential it can be reintroduced after the rash resolves only under direct medical supervision. It is preferable to avoid drugs which cause allergic reactions. ...Read more

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What can I do if someone has an allergic reaction to medication?

What can I do if someone has an allergic reaction to medication?

Stop the medication: Unless the medication is essential to the treatment of a condition, you should talk to your doctor and find an appropriate substitute. For example, if you react to one type of blood pressure medication, you could be prescribed a medication from a different class to treat the same condition. In rare cases you could be admitted to the hospital and undergo desensitization if it was essential. ...Read more

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How to know if i'm having an allergic reaction to something?

How to know if i'm having an allergic reaction to something?

Discuss: Discuss with a physician or care-giver practiced in recognizing allergic reaction. True immune mediated allergy is often confused with pharmacological side effects from medication or non-allergic food intolerance. Also, there are some typical patterns for rash associated with allergy, but many types of rash that are non-allergic. ...Read more

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If i was going to have an allergic reaction to something typically hiw long would it take to see the reaction?

If i was going to have an allergic reaction to something typically hiw long would it take to see the reaction?

Depends on type: The vast majority of food reactions occur within 2 hours after ingestion, although there are exceptions. Drug reactions may take several days to appear or come after the medication is stopped. Allergic contact skin reactions, such as poison ivy, take 8 to 96 hours. ...Read more

Dr. Karen Han Dr. Han
2 doctors agreed:
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How can you tell whether you have hives or allergic reactions?

Dr. Karen Han Dr. Han
2 doctors agreed:
How can you tell whether you have hives or allergic reactions?

Histamine driven: Hives (or welts) are histamine driven reactions. These lesions come and go within hours and do not leave scales or marks. Hives can be a form of allergic reaction (ie to drugs or shellfish), but they can often be idiopathic (unknown trigger). Because we know this is a histamine driven problem, we treat with oral antihistamines, or oral steroids if severe and associate with wheezing. ...Read more

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Can you tell me can I have an allergic reaction even if someone isn't allergic?

You are allergic: People feel that they are safe from allergic reactions if they have been taking something or using a product for a long time. However, in order to develop and allergic reaction the immune system has to have a first time exposure to build the allergic components. Thus you develop and allergy to that substance ...Read more

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How to tell if I am having an allergic reaction to this medication?

How to tell if I am having an allergic reaction to this medication?

Rash,swelling,cough: If you have started taking a drug and it gives you any of the following symptoms rash and itching on the body swelling any part of body espacially face runny nose cough and wheezing tightening of throat or airways causing difficulty in breathing anaphylaxis fall in bp, rapid and weak pulse, sweating, tightness in chest nausea vomitind and diarrhea. ...Read more

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What to do if you have an allergic reaction to hydrogen peroxide?

Stop: It would be extremely unusual to have an allergic reaction to hydrogen peroxide. If one had reaction then an proper evaluation would be warranted. ...Read more

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How can I know if I will have an allergic reaction to something?

How can I know if I will have an allergic reaction to something?

Difficult: Predicting if one will have an allergic reaction to a new food or medicine or other allergen is very difficult, especially if one has never had a reaction in the past. ...Read more

Dr. John Chiu
1,076 doctors shared insights

Allergic Reaction (Definition)

A sensitivity to substances called allergens that come into contact with the skin, nose, eyes, respiratory tract, or gastrointestinal tract. They can be breathed into the ...Read more