Final answer:
The correct answer is a) penicillin. Exanthematous (morbilliform) drug eruption is a common type of drug eruption characterized by a widespread rash that resembles measles. Treatment for exanthematous drug eruption usually involves discontinuing the offending medication, along with supportive care and management of symptoms.
Step-by-step explanation:
The correct answer is a) penicillin. Exanthematous (morbilliform) drug eruption is a common type of drug eruption characterized by a widespread rash that resembles measles. It is an allergic reaction to a medication. In most cases, the treatment for exanthematous drug eruption involves discontinuing the offending medication (option b), along with supportive care and management of symptoms. Antihistamines (option c) may be used to relieve itching, and topical steroids (option d) may be used to reduce inflammation and skin irritation. However, penicillin (option a) is not typically used as treatment for exanthematous drug eruption.