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Doctor insights on: What Happens If You Use An Expired Epipen

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What happens if you use an expired epipen (epinephrine) on someone that is extremely allergic?

What happens if you use an expired epipen (epinephrine) on someone that is extremely allergic?

Not a good idea: If you have nothing else on hand, you can use the expired Epipen (epinephrine) knowing that it will be less effective or not effective at all. However it is strongly advised to check the expiration date on the Epipen (epinephrine) regularly since the consequence may be deathly.

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Epipen (Definition)

Epinephrine is a rhythm control agent which is a ...Read more


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What happens if someone uses an expired epi-pen?

What happens if someone uses an expired epi-pen?

May be ineffective: It is unlikely that anything bad will happen except it may not work as well as a new epi-pen. There is a window to check the clarity of the medication and make sure it is clear, or it may be contaminated or the product has precipitated out of solution. I don't recommend that you rely on an expired product in a life threatening reaction.

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What can happen once I use my epipen (epinephrine)?

Epipen (epinephrine): The symptoms may return. That is why more treatment is needed for the allergic rxn after epipen (epinephrine).

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At what point should I use my epipen (epinephrine)?

At what point should I use my epipen (epinephrine)?

Immediately: Use your Epipen at the first signs of a severe allergic reaction which can occur minutes to hours after exposure. Signs can include itching or swelling of the mouth and throat, hives, shortness of breath, coughing, or dizziness. If you are unsure you are having a reaction, it is generally better to use the Epipen. Call 911 or have someone get you to an emergency room after using your Epipen.

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Can you tell me more about when to use the epipen (epinephrine)?

Can you tell me more about when to use the epipen (epinephrine)?

Acute allergy: Epipen (epinephrine) is for an acute allergic reaction. If you have a known allergy & come into contact with that allergen for any reason, you may develop a reaction. If you develop sudden shortness of breath, wheezing, throat closing, face/lip/tongue swelling, or severe rash (more than just mild non-raised redness on 1 part of your body), inject the epipen (epinephrine) into a large muscle (e.g. thigh) immed. & call 911.

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When to use my epipen, (epinephrine) how severe should the symptoms be?

When to use my epipen, (epinephrine) how severe should the symptoms be?

Cannot say in your p: Particular case because a lot of individual factors influence sentivity to stress hormones (hypertension/hypertension meds, heart, lung issues). Psychologically the panic can be quite significant. Mostly below age 40, heart races and some other mild symptoms but not too much. On the other hand, in an allergic reaction, those symptoms can be very severe.

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Will panic be worse when a person who has a history of anxiety uses an Epipen? If so, what are some options to reduce the severity of this symptom?

Will panic be worse when a person who has a history of anxiety uses an Epipen? If so, what are some options to reduce the severity of this symptom?

Unlikely: epinephrine used in the Epipen has very short half life of about five minutes and the dose is very small, in anaphylaxis epinephrine is the first choice, best wishes

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Can you use 0.3mg of epinephrine by syringe instead of an epipen?

Can you use 0.3mg of epinephrine by syringe instead of an epipen?

Yes: You can, however, I think there is concern about appropriate dosing and that is why the epipen exists in the first place. However, that has crossed my mind as a possibility.

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Should I get arc for IM Benadryl? To use after the epipen? Or is oral better? What is fastest? What other antihistamines could I use?

Should I get arc for IM Benadryl? To use after the epipen? Or is oral better? What is fastest? What other antihistamines could I use?

Benadryl: Use after epipen: in case of a severe allergic reaction, you want to start by epipen, benadryl can be used prior if you can, or after, oral route is just as fine. If no response, the epinephrine should be repeated after 5 minutes of the initial injection, by that time you call 911 or reach emergency, wish you wellness

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I am severely allergic to shellfish. I was prescribed an EpiPen (epinephrine). I never had to use one yet. How do you know if you need to use it? Does it reverse?

I am severely allergic to shellfish. I was prescribed an EpiPen (epinephrine). I never had to use one yet. How do you know if you need to use it? Does it reverse?

You will know: Keep your Epi pen with you at all times. Make sure it is up to date. General symptom-those that got you the prescription in the first place but especially throat swelling or trouble breathing. Once you use it it is best to dial 911. Benadryl (diphenhydramine) may also help if taken while you can swallow. The Epi effects wear off over time, though they may be uncomfortable this medicine is life saving

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What specific symptoms warrant use of an epipen (epinephrine)? I have had one for years, have asthma, bronchospasms etc in life. Unsure "how bad" is bad enough 4epi

Epipen (epinephrine): Can save your life. Use it for asthma attack that doesn't respond to rescue inhaler or anything the causes facial swelling and shortness of breath.

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Is it safe to use an epipen (epinephrine) for an allergic reaction to ppd?

Symptoms?: What are your symptoms? A PPD can cause a large local reaction, but not a systemic reaction that requires epinephrine.

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I have allergies. When I come into contact with allergen, should I use epipen (epinephrine) before symptoms progress even though I'm just itchy? Or should I wait?

I have allergies. When I come into contact with allergen, should I use epipen (epinephrine) before symptoms progress even though I'm just itchy? Or should I wait?

Depending on what: The allergen is and what reaction you have had in the past....also depends on where the itching is. For example, if you have itching in your throat or around your mouth and have had an allergic reaction needing epi in the past, you should not wait. You should use the epipen (epinephrine) and get to a hospital. This is more likely to be the case with a food allergen or bee sting.Please also discuss with your doctor.

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Possible bee, wasp allergy. Should I use epipen (epinephrine) if they bite me?

Possible bee, wasp allergy. Should I use epipen (epinephrine) if they bite me?

If you have had: Significant allergic reactions - then an Epipen (epinephrine) can be life saving. Have you been medically workep up for this? Was the epi-pen prescribed for you? Is the Epipen (epinephrine) within date (not expired)? Do you know how to use an epipen (epinephrine)? In the middle of an anaphlactic reaction is not the time to try to figure it out.

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I'm on toprol (metoprolol) XL for tachycardia & high bld press. I have an epipen incase of allergic reactions. Is it safe to use if I get a reaction or no?

I'm on toprol (metoprolol) XL for tachycardia & high bld press. I have an epipen incase of allergic reactions. Is it safe to use if I get a reaction or no?

Epi Pen: The epi pen is to be used for a severe, often life threatening, allergic reactions. In that situation blood pressure is often dangerously low so the epi pen is beneficial. When used in the proper situation, an epi pen would be safe and even beneficial.

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Should I use epipen if I have a latex reaction and I have a rashoncontact and itchiness around lips and face? Or start with Benadryl (diphenhydramine).what requires epi?

Should I use epipen if I have a latex reaction and I have a rashoncontact and itchiness around lips and face? Or start with Benadryl (diphenhydramine).what requires epi?

Anaphylaxis: Which may cause breathing problem, fainting (shock), throat closure. Otherwise, an antihistamine should be ok. Having said that, it is better to use an Epi too soon than too late.

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How to treat anaphylactic shock if I'm on propranolol for WPW? Was warned I couldn't use Epipen (epinephrine) but concerned if I have reaction

How to treat anaphylactic shock if I'm on propranolol for WPW? Was warned I couldn't use Epipen (epinephrine) but concerned if I have reaction

Had anaphylaxis?: If you have suffered anaphylaxis, first see an allergist and have him/her discuss with your cardiologist changing propranolol to another anti-arrhythmic drug. There are medications that will be effective for anaphylaxis in patients who are on propranolol, If you haven't suffered from anaphylaxis and have no life-threatening allergies, stop worrying.