Systemic allergic reaction (Anaphylaxis).
IM Epinephrine is the first treatment to give.
Local Reaction
Cold compresses. Elevate extremity if the sting is on a limb.
Oral prednisone 40 to 60 mg x1 dose or tapered over 2-5 days for significant swelling.
Pain: NSAIDs.
Pruritis: Oral antihistamines or topical high potency steroids applied q4h until itching resolves.
Oral antihistamines like cetirizine, 10 mg once daily.
Topical high potency topical steroids like fluocinonide 0.05 % or clobetasol 0.05 % ointment, applied q4h until the itching resolves.