How long does it last for a bee allergy to be clear? What are symptoms?

Bee sting allergy. You can get an immidiate allergic responce and it can cause swelling of the larynx and you need Epinephrine injection, late resonce can be swelling, itching and rash at the site of sting and meds like Benadryl (diphenhydramine) and local treatment will be enough. If you have known allergy to bee sting, you should carry Epipen at all times. It may clear in 48 to 72 hours.