Myasthenia gravis (MG) is the most common autoimmune disease affecting the neuromuscular junction and is characterized by ocular, bulbar, limb and respiratory muscle involvement. Some of the drugs may induce and exacerbate MG. Antibiotics are also one of the most important medication groups that may worsen MG and they should be used with caution in these patients with MG. Herein, we would like to share our experience about daptomycin use in Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia of a patient with myasthenia gravis