Orginalny
Muscle weakness, stiffness, or soreness
Problems swallowing
Purple color to the upper eyelids
Purple-red skin rash
Shortness of breath
The muscle weakness may come on suddenly or develop slowly over weeks or months. You may have trouble raising your arms over your head, getting up from a sitting position, and climbing stairs.
https://medlineplus.gov/ency/article/000839.htm