Severe leg pain/cramps after partial discectomy

HELP - I am 54 and on 20th Feb 09 I had a partial discectomy of L5/S1.  For a couple of days I felt brilliant but now I have severe cramps of the muscles in the leg (where I had the sciatica) when I walk/stand.  Is this just the muscles now getting use to being used again and complaining or is there something more sinister happening, posibble blood clot? remaining part of disc moved again and trapped same nerve? should I be resting more?  

I am doing some back exercises, but I feel that these are making matters worse rather than helping the situation.

Should I see the Othopadic Consultant again, or a Neurologist, or just a Physiotherapist?

[kittyluv1]

You are very newly postop and the symptoms you are experiencing could be related to fatigue.  While it is important to walk and change positions frequently to reduce the risk of blood clots, do not attempt to progress too fast in terms of exercise.
A partial discectomy does indicate that some of the disc remains in your L5-S1 area and could lead to further deterioration at that level.  I would not anticipate that additional herniation has occurred so soon without additional trauma.  Unfortunately, as we age, the discs do undergo continued "wear and tear" and it is possible to sustain more damage at this level and at adjoining disc levels.
Give yourself a chance to heal.  If your symptoms persist, get a re-eval from your surgeon, who will be better able to assess the problem after a clinical exam is done.
Best wishes ---