Hi welcome to Health care magic forum.
Thanks for calling H.C.M.Forum.
You have got pain in the upper left abdomen. It suggests
peptic ulcer, stones in the
kidney, or upper
ureter, pancriatic pain, or fault in the upper part of descending
colon. You saw some white floating things in the stools.
It appears to be the segments of tape worm. You can take 2 tablets of
albendazole one daily.
For stomach related pain take only bland foods like bread, curd, vegetables, any thing with out spices.
Avoid taking spices, junk foods, and oily foods.
You will be fine with this precautions, if still you feel the pain you can consult a surgeon for diagnosis and treatment.
Wishing for a quick and complete recovery.
Best regards.