👉 Streptothricosis is a common bacterial infection that affects the small intestine and causes diarrhea, abdominal pain, and fever. It is caused by Streptococcus pyogenes, which can spread from person to person through contaminated surfaces or objects. The bacteria are typically transmitted when an infected person scratches, cuts, or breaks open the skin of another person. Symptoms include diarrhea, vomiting, fever, redness in the groin area, and abdominal pain that may be severe at first. Treatment