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Doctor insights on: How Do You Know If Your Having An Allergic Reaction

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

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

Dr. John Chiu
2,661 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 do you know if you're having an allergic reaction? How do you treat it?

How do you know if you're having an allergic reaction? How do you treat it?

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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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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How do you know if you have an almond allergy?

How do you know if you have an almond allergy?

Typical allergy symp: If one is allergic to almonds and eats them, then typical allergy reaction will occur and symptoms may include: itchiness, swelling, hives, breathing problems, feeling sick, throwing up, diarrhea, belly pain, passing out. ...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 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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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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How can you tell if you have an allergy to pollen?

How can you tell if you have an allergy to pollen?

Allergy test: Pollen allergy can be suspected on clinical grounds if you get itchy eyes and nose, runny nose, congestion and sneezing when outdoors in certain seasons. To really make a diagnosis, though, you need to have a skin test or blood test showing the presence of ige antibodies to pollen. ...Read more

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Dr. Karen Han Dr. Han
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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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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

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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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How to know if I have had an allergic reaction?

How to know if I have had an allergic reaction?

Symptoms: If the allergy is to a food or ingested medication, the typical symptoms are vomiting, diarrhea and rash (hives, itching). If trigger was airborne like pollen or pet dander, then itching (nose, skin, eyes), sneezing, runny nose and cough. Asthma symptoms can be from an allergy. An allergist can assist in identifying is symptoms are from an allergy and determine specifically which allergen. ...Read more

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What to do if i can't tell if I have heat rash or an allergic reaction. Help!?

What to do if i can't tell if I have heat rash or an allergic reaction. Help!?

Better description: A heat rash is an unspecific term but presumably related to heat. How long does it stay with you after the exposure and whether it itches or not is another issue we need to know. Also we need to know the time of onset of the rash after sun exposure. In general , an allergic reaction is often accompanied by itching. Regardless, the prudent answer is avoid the exposure. Sunscreen tried yet? ...Read more

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How do you know if you have a slight allergy to dairy?

How do you know if you have a slight allergy to dairy?

Avoidance; challenge: There are blood tests and skin tests for dairy allergy but neither are totally reliable as none test all the ways one might react. I advise totally avoiding dairy products for at least a week, then trying some to see if/how you react. With a slight allergy you may only react to large amounts or having it often. Some with allergy to dairy tolerate raw dairy and/or sheep/goat milk ; cheese. ...Read more

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How do you know if you are allergic to a drug?

How do you know if you are allergic to a drug?

Itchiness, swelling: For a true drug allergy, look for signs of a growing rash anywhere on your body within an hour of taking your medication. These rashes can manifest as hives, itchiness, or swelling. The most concerning of the symptoms would be swelling, particularly in the upper body as it may constrict breathing. Discuss with your pharmacist about the likelihood of a certain drug to cause such a reaction. ...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 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 do you know if you have a gastrografin allergy?

How do you know if you have a gastrografin allergy?

Iodine allergy: Here is the fda blurb: anaphylactic reactions: anaphylactic reactions, including fatalities, have been reported with the use of gastrografin. Patients at increased risk include those with a history of a previous reaction to a contrast medium, patients with a known sensitivity to iodine, and patients with a known clinical hypersensitivity (bronchial asthma, hay fever, and food allergies). Medical p. ...Read more

Dr. John Chiu
1,052 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