Some people with giardia infection never develop signs or symptoms, but they still carry the parasite and can spread it to others through their stool. For those who do get sick, signs and symptoms usually appear one to three weeks after exposure and may include:  Watery, sometimes foul-smelling diarrhea that may alternate with soft, greasy stools Fatigue Stomach cramps and bloating Gas Nausea Weight loss  Signs and symptoms of giardia infection may last two to six weeks, but in some people they last longer or recur.
people giardia infection develop signs symptoms  still carry parasite can spread stool  who sick  signs symptoms weeks exposure may include:  watery  foul-smelling diarrhea may alternate soft  greasy stools fatigue stomach cramps bloating gas nausea weight loss  signs symptoms giardia infection may last weeks  people last longer recur
giardia infection