Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.
It is very nice that you had given all information in a right way. You had also reacted spontaneously for your condition. I can understand your true concerns. Lower
backache can occur due to different causes. As you mentioned you got sudden onset of backache, it could be due to muscle spasm,
muscle strain or due to complication of general
anesthesia given during your
peritoneal cancer surgery. Coming to the diagnosis
1. muscle spasm may be probable reason. You can confirm it by changing your posture, if pain changes with postural change, it will be muscle strain.
2. Go for complete blood picture.
3. X-ray lower back.
Coming to treatment part -
1. You can use any non steroidal anti inflammatory drug.
2. Use hot water pack for pain.
3. Do not use odd positions.
4.
Massage at site of pain
5. Use pain killer spray.
If problem persists go for blood tests and contact us at any time. Hoping for a speedy recovery.
Hope I have answered your query. Let me know if I can assist you further.