Q. I have stomach pain and my stool occult blood test is positive. Is it suspective of STD?

Answered by
Dr. Noushin Payravi
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Nov 13, 2019 and last reviewed on: Mar 03, 2023

Hello doctor,

I had intercourse last year, and I got sick like stomach pain and I lost eight to nine kilograms. I got scared. So I got HIV 1 and 2 tested for five times including hepatitis B and C, all came negative with duration time then, I got stool blood occult test because I got motion and stomach pain for more than eight months. I am feeling better but my stool occult blood test came positive three times, and my throat is a little sore and red for more seven months. I do not have any issues but it is a bit red. Doctor said may be it is due to allergy, but I am tensed, it may be herpes, syphilis or gonorrhea. Is it related to std? Please suggest.



Welcome to

I can understand your concern regarding your symptoms. Due to having a history of three positive FOBTs (fecal occult blood test), I strongly recommend undergoing an upper GI (gastrointestinal) endoscopy and then colonoscopy to investigate the cause. Your medical history of weight loss and stomach pain could be indicators for a possible underlying pathology such as duodenal ulcer, gastric ulcer, colonic polyps, or colitis. STD (sexually transmitted disease) infections such as herpes, syphilis or gonorrhea are commonly associated with genital lesions and do not result in positive FOBT or stomach symptoms. Please proceed with your endoscopic and colonoscopic evaluation as early as possible.

Investigations to be done:

Endoscopy, Colonoscopy.

Differential diagnosis:


Colonic vascular insufficiency,

Gastroduodenal ulcers,

Colonic polyps.

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