Tingling/ paresthesia in lower limbs is suggestive of either a problem in the spine or a nerve compression in the leg.
Next Steps
Need to locate the exact areas of the leg where this altered sensation is present so that the exact problem can be identified.
Health Tips
Do not self medicate without knowing the exact cause of this altered sensation, especially in an elderly individual. Please consult an orthopedic surgeon through call/ in- clinic appointment so that more specific therapy can be started.