What does a positive fecal occult blood test mean?

Fecal occult blood test positive indicates that there are blood components in the stool, which may be caused by physiological factors, gastric ulcer, colitis, etc.

1. Physiological factors

If the subject has recently used various animal blood products or taken ferrous fumarate tablets, ferrous succinate tablets, vitamin C tablets and other drugs, the fecal occult blood test can be positive.

2. Gastric ulcer

is mainly caused by Helicobacter pylori infection, long-term use of non-steroidal anti-inflammatory drugs, gastric mucosal damage bleeding can lead to gastric contents mixed with blood, so that the fecal occult blood test is positive.

3. Colitis

may be caused by genetic, immune, infection and other factors.