You are not allergic to bacitracin. You do have a mild allergy to peanuts.
你并不对杆菌肽过敏。倒是对花生有轻度过敏。
英语百科
Bacitracin
Bacitracin is a mixture of related cyclic peptides produced by organisms of the licheniformis group of Bacillus subtilisvar Tracy, first isolated in 1945. These peptides disrupt both gram positive and gram negative bacteria by interfering with cell wall and peptidoglycan synthesis.