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Doctor insights on: Medicine For Severe Allergic Reaction

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Dr. John Chiu
2,630 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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What drugs mostly cause an allergic reaction?

What drugs mostly cause an allergic reaction?

Drug reactions: The most common drug allergic reactions are to antibiotics like penicillin and sulfa. The second most common drug allergic reactions are Aspirin and nsaids such as ibuprofen. It is also very common for narcotics (morphine, codeine, demerol, (meperidine hydrochloride) etc) to cause itching and hives. ...Read more

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How can I handle a severe unknown allergic reaction?

How can I handle a severe unknown allergic reaction?

See an allergist: An allergist is specialty trained and uniquely qualified to assess and treat severe allergic reactions. Even if the cause is not currently known, an allergist can assist in finding the cause and preventing another reaction. ...Read more

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Can you have an unexpected allergic reaction to an old drug?

Can you have an unexpected allergic reaction to an old drug?

Old drugs: You can have a reaction to any drug at any time. The main thing that happens to old drugs is that they lose potency. Most drugs are more stable than we think, especially if kept dry and clean and in a stable temperature. So, yes, you can have a reaction, but you would probably have the same one if you took a new pill. Your immune system is more likely to have changed than the pill. ...Read more

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How do I know if I'm having an allergic reaction to my medicine?

How do I know if I'm having an allergic reaction to my medicine?

Symptoms: Most reactions to medications are not true allergies but an issue of side effects or intolerance. It's important to be clear because being truly allergic to a class of meds means you shouldn't take them which may limit your treatment options going forward. True allergic reactions typically manifest as a rash, difficulty breathing, or swelling. Symptoms like vomiting or diarrhea are unlikely allerg. ...Read more

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How long after taking a medicine can an allergic reaction occur?

How long after taking a medicine can an allergic reaction occur?

Varies: If severely allergic, symptoms such as itching, hives, or wheezing can start immediately, or may develop 30 minutes to 4 hours after taking it. Milder reactions, such as rash, may not start for several days after starting he medication or, as is often the case with antibiotics, not until the second or third time you take it. ...Read more

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Can a medicine that causes an allergic reaction still be effective?

Can a medicine that causes an allergic reaction still be effective?

Yes: Most allergic reactions to medications, such as a rash that develops with antibiotics, have nothing to do with the action of the medication. It will still work, but simply make you uncomfortable at the same time. Regardless, the medication needs to be stopped - the allergic reaction will continue to get worse the longer you take it. ...Read more

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Prescribed bisoprolol 1.25mg what's my chances of allergic reaction to this drug?

Drug allergies: The chance of having a drug reaction to this class of medications is really low in the general population. Certain antibiotics and biologic medications that have large structure are more allergenic, meaning the chances of getting allergy are higher. ...Read more

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What are the signs of an allergic reaction to the dentist's numbing medicine?

What are the signs of an allergic reaction to the dentist's numbing medicine?

Inflammation: Allergic reactions to local anesthetics are very rare, but possible. Depending on the type of hypersensitivity reaction, (allergy is typically termed hypersensitivity type I, or immediate) you can have different symptoms. Commonly you might experience nausea, trouble breathing, hives, itchy skin, cough, runny nose, or swelling. If you have trouble breathing, seek immediate medical attention. ...Read more

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Can a severe allergic reaction cause urine to get cloudy for a bit

Can a severe allergic reaction cause urine to get cloudy for a bit

Possible: Also, quality of diet e.g. Diet rich in phosphate like dairy products may at times do that with fluctuations of urine ph. Prompt clearing is reassuring. However, persisten cloudy urine may suggest a problem like infection. ...Read more

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Need help with amoxicillan allergic reaction. Is there a drug that combats this?

Need help with amoxicillan allergic reaction. Is there a drug that combats this?

Depends: You can usually control the allergic reaction but will need to know more about the timing and the specifics of your reaction. ...Read more

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Does allergic reaction to medicine like not being able to breath happen right away?

Does allergic reaction to medicine like not being able to breath happen right away?

Within 30 min-1 hour: Usually allergic reactions after ingestion of food or medication occur within 30 min to an hour. ...Read more

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How often does a severe allergic reaction occur? What percent of people have anaphlaxis?

How often does a severe allergic reaction occur? What percent of people have anaphlaxis?

1.5 to 15%: Depends on what you read and the type of agent causing anaphylaxis, the reported incidences ranged from 1.5% to 15% although I think the incidence is under 0.1% annually. The severity was not detailed in the reports but a survey done about 10 years ago noted that there were 1500 deaths/yr from anaphylaxis in the us- some cases of unexplained deaths might not be included. ...Read more

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Can you tell me is there a pill/medicine you can take daily to prevent a allergic reaction beforehand?

Can you tell me is there a pill/medicine you can take daily to prevent a allergic reaction beforehand?

Depends: If you want to control urticaria for exampl, e then your doctor would prescribe you a medicine to take to control the symptoms, but if you are allergic to a food or a medicine and want to take a medicine to prevent an allergic reaction due to such food or medicine you are allergic to, this is not advisable, see your doctor or your allergist and discuss your allergy problems with, take care ...Read more

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What can I take for a allergic reaction to sty medicine?

What can I take for a allergic reaction to sty medicine?

Let me explain: You could use steroid by mouth and locally over the eye. That will stop the reaction. ...Read more

Dr. John Chiu
1,043 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