| Reaction | |
|---|
| Mastalgia (see breast pain) | |
| Muscle atrophy (4) | |
| Muscle spasm (109) | |
| Muscle weakness (2) | |
| Muscular paralysis (5) | |
| Musculoskeletal adverse effects (2) | |
| Musculoskeletal chest pain (1) | |
| Musculoskeletal pain (20) | |
| Musculoskeletal stiffness (1) | |
| Myalgia/Myositis/Myopathy/Myotoxicity (see also necrotizing myopathy) (575) | |
| Myasthenia gravis (60) | |
| Myoclonus (58) | |
| Myofasciitis | |
