This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Which among the following is contraindicated in myasthenia patient? 
Select and explain. 
A. Aminoglycosides, B. Sulphonamides, C. Penicillin, D. All
A: Aminoglycosides
Answer: A: Aminoglycosides 
Explanation: Ref:KD Tripathi pharmacology 7th edition (page.no: 745) All aminoglycosides reduce ACh release from the motor nerve endings. They interfere with the mobilization of centrally located synaptic vesicles to fuse with the terminal membrane (probably by antagonizing Ca2+) as well as decrease the sensitivity of the muscle endplates to ACh. Myasthenic weakness is accentuated Aminoglycosides. Neuromuscular blockers should be used cautiously in patients receiving aminoglycosides.