Rule out high blood pressure
or any other kidney problem
this could be due to oa knee &/or obesity.
Physiotherapy along with medicines will help.
Do knee exercises. It may have to be further investigated
rule out diabetes
& vit. D deficiency or any other metabolic disorder.
Sleep on a hard bed with a soft bedding on it.
Any way take multivitamins & other antioxidants along with.
Ibuprofen 200mg od & sos x 5days you will need other supportive medicines also.
Make sure you are not allergic to any of the medicines you are going to take. Do reply back for private consultation and detailed treatment plan.