The following drugs are prohibited for patients with myasthenia gravis: 1, aminoglycoside antibiotics: antibiotics, commonly known as “anti-inflammatory drugs”, aminoglycoside antibiotics, including streptomycin, kanamycin, gentamicin, cisplatin, tobramycin, butamycin, ethyl cisplatin, etc., are prohibited for patients with myasthenia gravis. 2, beta blockers: are drugs for the treatment of hypertension, tachycardia and cardiac insufficiency, including Targum, Betalactone, etc. 3, calcium antagonists: is the treatment of hypertension drugs, including nimodipine, amlodipine, etc. (usually the end of “diphenhydramine”). 4, sedative-hypnotic drugs: such as Valium (diazepam), Scholastin (Eszopiclone), Clonidine, etc.. There are also some less commonly used drugs that are prohibited for patients with myasthenia gravis, including phenytoin sodium (anti-epileptic drugs), quinine, quinidine, lithium, penicillamine tetracycline, procainamide, etc. In conclusion, if you are a patient with myasthenia gravis, be sure to tell your doctor that you have myasthenia gravis when medication is needed due to another illness, plus read the instructions carefully before taking the medication.