I know this has been covered before, but I just want to know what types, and how long.
The most common statin side effects include: 1  Headache. 2  Difficulty sleeping. 3  Flushing of the skin.  Muscle aches, tenderness, or weakness 1  (myalgia) Drowsiness. 2  Dizziness. Nausea or vomiting.  Abdominal cramping 1  or pain. Bloating 2  or gas. 3  Diarrhea. Constipation.  Rash.
Muscle effects. Statins can occasionally cause muscle inflammation (swelling) and damage. Speak to your doctor if you experience muscle pain, tenderness or weakness that can't be explained (for example, pain that isn't caused by physical work).