Rash after a Football Game

A young woman with no PMH comes to office with a pruritic rash on her neck, forearms and upper back that she noticed after returning from a football game past evening. One of her friends who was at the game also developed similar rash on her legs. She denies exposure to new chemicals, topical or systemic. She denies travel or sick contacts. She is otherwise asymptomatic. She does not take any medications on a regular basis. On exam, she has extensive papular eruptions with minimal surrounding erythema and a few excoriations on neck, forearms and upper back.

Which of the following is the best initial empiric treatment options?

A. Prednisone, with a quick taper over a week
B. Topical mid-potency steroids
C. Doxycycline 100mg bid for 7-10 days
D. Topical and systemic Antihistaminics
E. Combination of H1 and H2 Antagonists- ANSWER