Barry was on an antibiotic, but after he took all of it, he had a rash and the doctor prescribed him an antihistamine. Which most likely describes what happened to Barry?
A
He had a viral infection, but then developed an allergy to the antibiotic.B
He had a parasite infection, but then it developed into a bacterial infection.C
He had a fungal infection, but then it developed into a viral infection.D
He had a bacterial infection, but then developed an allergy to the antibiotic.