Generally, food poisoning causes some combination of nausea, vomiting, and diarrhea that may or may not be bloody, sometimes with other symptoms.
After eating tainted food, abdominal cramps, diarrhea, and vomiting, can start as early as one hour in the case of staph and as late as 10 days in the case of campylobacter. It may take even longer to develop symptoms from parasite infections such as Giardia. Symptoms can last from one day up to a couple of months or longer, depending on the type of...
Paragonimiasis is caused by infection with a trematode. That's a parasitic worm also called a fluke or lung fluke because it commonly infects the lungs. Usually, infection comes after eating undercooked crab or crayfish that carry immature flukes.
Once swallowed by a person, the worms mature and grow inside the body. Over months, the worms spread through the intestines and belly (abdomen). They penetrate the diaphragm muscle to enter the lungs. Once inside the lungs, the worms lay eggs and can survive for years, causing chronic (long-term) paragonimiasis.
Paragonimiasis is rare in the U.S. Most cases occur in Asia, West Africa, and South and Central America.
Paragonimiasis causes no symptoms during initial infection. Many people with paragonimiasis never experience any symptoms. When paragonimiasis symptoms do occur, they result from the worms’ location and activity in the body, which change over time.
In the first month or so after someone is infected, paragonimiasis worms spread through the abdomen, sometimes causing symptoms that can include: