This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'For a 23 old pregnant female having severe sensitivity to amoxicillin, drug used to treat gonorrhoea in a single dose should be \nSelect and explain. \nA. Ceftriaxone, B. Clindamycin, C. Ciprofloxacin, D. Spectinomycin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Ref: Katzung 10/e p719,762) Ceftriaxone is contraindicated in patients having severe allergy to penicillins. Tetracyclines are noty effectyive against gonorrhoea. Although ciprofloxacin is effective as a single dose treatment of gonorrhoea but it is contraindicated in pregnancy. Spectinomycin can be given as single dose treatment of PPNG.', 'role': 'assistant'}]