What are signs to look out for a parasitic infection?

Yes: Intestinal parasites are easily acquired at times from under cooked, unwashed, and contaminated foods. Signs and symptoms are constant diarrhea, increased bowel rumbling sounds, bloody stools, intestinal cramps, and foul gas. Usually bowl movements immediately after eating and being awaken to have a movement are some tell tale signs.

Weight loss and diar: Parasites can hang out many places. The most common would hang out in the bowel where you might notice a change in bowel habits in some weight loss. There are many other possibilities.