Common to all members of the penicillin class of drugs, oxacillin may cause acute or delayed hypersensitivity reactions. As an injection, oxacillin may cause injection site reactions, which may be characterized by redness, swelling, and itching.
Common to all members of the penicillin class of medications, oxacillin may cause acute or delayed allergic reactions. As an injection, oxacillin may cause injection site responses, which may be characterized by redness, swelling, and itching.