This was a fun article that searched the literature and dispensed with 10 myths about cellulitis.

Blood cultures are low yield in routine patients with skin and soft-tissue infection.  Don't do it unless your patient has high-risk features.  False positive cultures are common and require costly follow up for patients.

For uncomplicated cellulitis in otherwise healthy patients, cephalexin alone is probably adequate.

Prednisone 40mg daily x 4 days was not helpful in reducing itching in patients with simple urticaria.