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Doctor insights on: Anaphylactic Shock After Effects

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Dr. Kristin Sokol
187 Doctors shared insights

Anaphylactic Shock (Definition)

Anaphylaxis is a severe, whole-body allergic reaction to a chemical that has become an allergen. After being exposed to a substance such as bee sting venom, the person's immune system becomes sensitized to it. When the person is exposed to that allergen again, an allergic reaction may occur. Anaphylaxis happens quickly after the exposure, is severe, and ...Read more


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For how long after anaphylactic shock we expect after effects & what after effects?

For how long after anaphylactic shock we expect after effects & what after effects?

1-2 days: Developing anaphylactic reactions involves many organs, depending how severe the reaction was. If it was treated as out patient and did not need intubation, usually a few hours to a day the person feels tired. If the person was ill enough to be intubated and admitted to the hospital, the time to resuscitation is key for brain preservation. So it is variable.

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For how long after anaphylactic shock can we expect after effects & what are they?

1-2 days: Depending on the severity of the reaction, a person can feel drained for a day or 2 after their reaction. Ample rest should be enough and hydration.

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What after effects are there from anaphylaxis?

Itch-> death: Mild cases may be itching, hives, vomiting, and fatigue, severe cases can be life-threatening when respiratory problem or vascular collapse (shock) occurs. If you have this issue, be sure to have Epinephrine with you all at time. Oral antihistamine will not do you any good. Even more important, see an allergist to find out what the trigger is.

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How to know if I had an anaphylactic shock?

How to know if I had an anaphylactic shock?

Some tips: When you have trouble breathing due to obstruction in the tongue or throat swelling or airway obstruction (asthma), when you are fainting due to low blood pressure, or when you are having abdominal cramps, vomiting, and/or diarrhea, for no known reason, then anaphylaxis is a possibility. Over 90% of anaphylaxis is associated with itching, flushing, and/or hives and this is important to remember

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How do doctors treat anaphylactic shock?

Several options: There are several medications that can be used depending upon the severity of the reaction. Epinephrine is the main medication that is used to treat anaphylaxis. Additional medications can be used including antihistamines and steroids.

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Can you get anaphylactic shock from rice?

Can you get anaphylactic shock from rice?

Unlikely: Maybe the seasonings or the additives, hardly the rice itself

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Can you have anaphylactic shock from nettle?

Anaphylactic shock: If you are severely allergic to anything this reaction is possible.

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Can food intolerance cause anaphylactic shock?

Can food intolerance cause anaphylactic shock?

No But...: ....Food allergies may. A food intolerance usually means a digestive problem. Allergies are a totally different body chemistry and are potentially much more dangerous.

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How easily can anaphylactic shock kill a person?

Yes: This is a life threatening reaction, you need to have an epinpephrine autoinjector and then call 911.

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Can anaphylactic shock happen 2 days after starting your penicillin?

Can anaphylactic shock happen 2 days after starting your penicillin?

Most probably not: Some delayed reactions do occur but they are usually skin reactions/ joint effusions (serum sickness). Anaphylaxis should occur probably within half hour at the most.

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What happens when you use an epi pen without having anaphylactic shock?

What happens when you use an epi pen without having anaphylactic shock?

Waste 100 bucks: An amazingly safe medication. In the seventies we used Epinephrine to treat acute asthma attacks giving kids 3 doses in 40 minutes. Sometimes they had nausea & vomiting. Sometimes they'd get a little hyper. The nausea & vomiting could also have been due to asthma itself. Anyway, expect slight but brief rise in pulse, mild muscle jitteriness, heightened alertness. All resolve in 30 minutes.

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Has anyone ever gone into anaphylactic shock and died in a couple of minutes?

Has anyone ever gone into anaphylactic shock and died in a couple of minutes?

Yes...: This can happen if the airway is quickly and severely compromised. This is why it is important to have an epi pen available for anyone who has had this reaction. See your doctor so this can be prescribed. It can be life-saving!

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How to know if I had a anaphylactic shock or not, how to know if I should use epi-pen?

Hard to know: The best way to prove anaphylaxis is to demonstrate elevated tryptase levels (blood test) at the time of the reaction. Often, this test is not done as symptoms and timing with suspected trigger is enough to diagnose and treat. If one suspects they have had an anaphylactic reaction (now resolved), then they should urgently discuss with a physician to see if epi prescription is needed.

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What is the difference between getting anaphylactic shock and an anaphylactic reaction?

Similar: They are similar, but the word "shock" suggests that the reaction has progressed in severity.

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Can you got into anaphylactic shock from perfume and if so how long does it take for the symptoms to show up?

Probably not: Anaphylaxis due to allergen trigger usually requires an antibody to have been made in the past and present in sufficient quantity at the time of exposure (peanut allergy for example). Antibodies to perfumes generally do not exist. An irritant reaction, however, can occur and can cause a reactive lung problem or vocal cord spasm producing somewhat similar symptoms. Go to ER if ever in doubt.

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Can flowers cause anaphylactic shock?

Can flowers cause anaphylactic shock?

Yes; pollen allergen: It may not be the flowers, but the pollen within them, that caused the allergy. Anaphylactic shock is a severe allergic reaction where the body reacts to a harmless substance (like pollen) by over-producing histamine & starting an exaggerated immune response. In some cases, this causes an unsafe drop in blood pressure (shock). Emergency treatment with epinephrine & steroids (immunosupressant).

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Dr. William Walsh
1,221 Doctors shared insights

Shock (Definition)

A condition in which a person cannot circulate enough blood (carrying oxygen and nutrients) to the vital organs in the body. If shock persists, various parts of the body will stop working, and the person will die. Causes of shock include injuries, excessive bleeding, heart failure, infections, chemical imbalances, ...Read more