Related Questions

For what reason can't you just use an epipen, (epinephrine) after having an allergic reaction/anaphylaxis, and then not go to the emergency room?

It may help for ... Only a little while. The Epinephrine in the Epipen counteracts the allergic reaction. But as your body metabolizes the epinephrine, its effects wear off. If the allergic reaction is severe enough, the symptoms may come on again. Severe allergic reactions may involve difficulty breathing and cardiovascular problems, not just swelling and rash, so a prompt subsequent trip to the er is prudent. Read more...

Can any doc explain why can't you just use an epipen, (epinephrine) after having an allergic reaction/anaphylaxis, and then not go to the emergency room?

Wears off. This is a deadly allergic reaction and it is important that the causative agent be gone from you system or else a repeat attack can occur. The epi pen will reverse these effects for a time but if you aren't followed and have other agents to suppress immune function like steroids and iv fluids there is a risk that when the epi wears off the reaction returns. Read more...