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: Anatomy
Fairy 23 year old pregnant female having severe sensitivity to amoxicillin drug used to treat Gonorrhea in a single dose should be 
Select and explain. 
A. Ceftriaxone, B. Tetracycline, C. Ciprofloxacin, D. Spectinomycin
D: Spectinomycin
Answer: D: Spectinomycin 
Explanation: Ref-Katzung 10/e p761,762 Ceftriaxone is contraindicated in patients having severe allergy to penicillins. Tetracvclines are not etfective against gonorrhoea. Although ciprotloxacin is etfective as a single dose treatment ot gonorrhoea but it is contraindicated in pregnancy. Spectinomycin can be given as single dose treatment of PPNG.