Hello friend As you are being diagnosed with pivd and was under medication for few days. Medication gives temporary relief. Pain in both the legs shows bilateral nerve compression which needs to be taken care of with proper physiotherapy modalities and exercises for which you need to visit neuro physiotherapist so as the treatment is given carefully and safely.

hi better consult any ortho or spine surgeon to assess u properly

: Keep your leg raised while sitting or lying Quadriceps strengthening exercises- Quad Clenches: Lie flat on your back or sit upright on a chair with leg kept horizontally on another surface. Now, tighten the muscle on the front of the thigh by pushing your knee down. You should feel your thigh muscles clench, Hold for 3 secs. Repeat 10 times twice a day. Short Arcs: Lie flat on your back or sit upright with your leg placed horizontally on a flat surface like a chair or bed. Place a rolled up towel under the knee. Pull your toes towards you and clench you thigh muscles. Slowly lift your foot up off the bed until your knee is straight (keep your knee resting on the towel). Hold for 3 secs and slowly lower them on the chair. Repeat 10 times twice a day. Straight Leg Raise: Lie flat on your back. One leg and knee will be straight and other leg should be bent. Pull your toes towards you and tighten/clench the muscle on the front of the thigh, locking your knee straight. Lift your foot up in the air, about 6 inches off the bed. Hold for 3 secs and slowly lower the leg. The knee must remain straight the whole time you are doing this exercise.

Painkillers can give you a temporary relief only.You must visit a Physio take treatment followed by  back strengthening and stretches  Must check for Vitamin D3 in your body. 

Pain in both the legs indicates pressure on the nerves supplying the legs.It is not to be taken lightly.consult a Spine Specialist. You may need some medication to settle the nerve irritation and if that does not work may need to think of Spine injections or Keyhole disc surgery depending on the severity of symptoms.

Do get your vit. D3 checked. Also avoid sitting down, bending forward and lifting heavy weights. Consult personally with a physiotherapist.