Final answer:
If a patient has an allergy to penicillin (PCN), they may also have an allergy to certain antibiotics like cephalosporins. Cephalosporins are a group of antibiotics that have a similar chemical structure to penicillin and can cross-react with PCN allergies. Other antibiotics that may cause cross-reactivity with PCN allergies include carbapenems, aztreonam, and monobactams.
Step-by-step explanation:
If a patient has an allergy to penicillin (PCN), they may also have an allergy to certain antibiotics like cephalosporins. Cephalosporins are a group of antibiotics that have a similar chemical structure to penicillin and can cross-react with PCN allergies. This means that individuals with a PCN allergy may experience an allergic reaction when exposed to cephalosporins.It is important for patients to inform their healthcare providers about any known allergies, including allergies to PCN, so that alternative antibiotics can be prescribed if needed.Other antibiotics that may cause cross-reactivity with PCN allergies include carbapenems, aztreonam, and monobactams.