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Forum Name: Gastroenterology Topics

Question: Parasites


 castanza - Mon May 02, 2005 4:14 pm

Is it possible to have some kind of parasitic infection without any signs of it (such as vomiting, diarrhea, etc) ? If so, could something like this infect a gall bladder, liver, or duodenum and cause chronic pain in that area for two weeks running? Could some kind of virus or bacteria do the same?
 Dr. Safaa Mahmoud - Sat Jul 08, 2006 11:21 am

User avatar Dear castanza,
A very large variety of parasites are present and millions of people are infected with them either in developed or developing countries. It is almost impossible to generalize the manifestations caused by parasitic infestations.
Some broad symptoms are usually present in acute infection, these include;
abdominal pain
diarrhea
burning stomach
weakness due to fluid loss.
In chronic infections, non specific symptoms that are shared by other GI problems are present like,
alternating diarrhea and constipation
abdominal pains
distension
gas
indigestion and nausea
IBS
In children,anal or rectal itching indicates certain type of infection with worms.

Parasites can invade and circulate in the blood , affect intestine, bladder, liver, kidneys, brain , etc.
Symptoms will depend on the affected organ and the extent of infection.

Bacterial and viral infections can cause similar symptoms but each has characteristic associated symptoms and signs . In addition clinical examination and investigations can differentiate between these agents.

Many diagnostic tests are used to detect parasite like
Blood tests: esinophilia, anemia
Stools that should be repeated for 3 times to visualize the parasite
More complicated studies and imaging techniques are required accordingly.
Best regards,

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