Hi, thanks for using healthcare magic
A cracking noise in the knees may be an indicator of osteoarthritis
.It may be in the early stages so no pain is present.
The risk factors for osteoarthritis of the knee are older age, women, history of previous surgery to the knee, injury to the knee, sedentary lifestyle, excess weight, deformity
of the knee.
Osteoarthritis is treated by lifestyle, medication, physiotherapy
and surgery in severe cases.
In terms of lifestyle , weight management
is important via dietary and activity changes, also exercises that strengthen the quadriceps and hamstring
may also be helpful in reducing the discomfort.
The pain medications are normally the anti inflammatory medications such as ibuprofen/cataflam initially if necessary.
i hope this helps