Why do I have muscle weakness? I have researched that muscle weakness is a severe side effect from azithromycin. I have recently started taking azithromycin 250 mg tablets for my sore throat. I am also taking amethyst birth control. On my second day I noti

Medical inquiry. I think you address this to the general medical doctors. Not in ophthalmology area of expertise.
Muscle . Muscle weakness on one side of the face should be evaluated by a doctor immediately. It could be a medication side effect or bell's palsy, or it could be something very serious such as ramsey-hunt syndrome or a stroke. The treatment depends on the cause and with many of these problems, the sooner they are diagnosed and treated, the better!