Do you feel any improvement now? Which pain killers are you taking? Do you suffer from any medical condition?
In that case when the results have been normal and you do not have any medical condition I would suggest taking Ibuprofen also which is a painkiller available over the counter and which is more effective for pain reduction. This will also reduce the inflammation if present and will aid in healing.
For statin associated myopathy it may take up to 2 months for resolution of symptoms.
You are welcome.