What are signs that show if your hamster is sick?

Answers:
he will lay in the conner of his cage and wont eat or drink and will shake what are the signs so far update please

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if its tongue hangs out!

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It's smellier than usual, and it has diarrhea. Won't eat, and won't let you touch him/her. Isn't as active...etc...

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A change in personality. Less energetic, upset belly, wet bottom, dull eyes, and dull fur, limp, not eating food or drinking water. Sudden nastyness if normally placid, going for wee less or more frequently than normal, swellings, bleeding.

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if it doesnt eat, if its nt active or playing, sleeps all night and doesnt go 2 the restroom, then take it 2 the vet.

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Because hamsters are very small, nocturnal (night-active) and not closely observed, the early signs of illness are frequently overlooked or not noted at all. Hamster owners must be constantly vigilant for signs of illness and must seek immediate veterinary assistance when illness is suspected.
Sick hamsters often become irritable and frequently bite. They are usually reluctant to move about and walk stiffly when forced to do so. Their eyes often look dull and sunken, and frequently have a discharge. Sick hamsters often stop eating or greatly reduce their intake of food. Consequently, weight loss is a common sign (not necessarily an easy one to recognize) of illness in hamsters. Fluid losses from diarrhea also may cause marked weight loss. Sudden intestinal disease (with accompanying diarrhea) is the most common illness of hamsters, especially among those being weaned or recently weaned. If the serious accompanying dehydration is not recognized immediately and corrected with appropriate fluid therapy at the direction of a veterinarian, death is probable.
Many hamsters get "wet tail":
Wet Tail (Proliferative ileitis)
The most serious intestinal disease of hamsters is "wet tail." The bacterium suspected of causing this disease is called Lawsonia intracellularis, which can also cause intestinal disease in swine, dogs, ferrets, primates and other animals.
This disease most often afflicts hamsters of weaning age (3-6 weeks old), but hamsters of all ages are susceptible. Since weanling hamsters and those slightly older are commonly sold in pet stores, wet tail is a fairly common disease among recently acquired hamsters. Long-haired "teddy bear" hamsters re highly susceptible to wet tail. Signs include lethargy, inappetence, unkempt hair coat, sunken, dull eyes, increased irritability, hunched posture, very fluid diarrhea, and a wet, soiled anal area and tail. Blood from the rectum and protrusion of the rectal opening (prolapse) may be noted in particularly serious cases.
Hamsters with wet tail must be immediately examined and evaluated by a veterinarian. Fluid replacement, oral antidiarrheal medication, and antibiotics will be given, along with supportive care to keep the patient warm, clean, comfortable and well nourished. Treatment is often unrewarding, and death may occur as soon as 48 hours after the onset of initial signs. This disease is not transmissible to people.

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a lot of wheezing/sneezing. if your hamster doesn't eat, drink, groom, stretch, lethargic, and weight loss. grooming and stretching are healthy signs. if your hamster has a cold, this website tells how you could deal with a hamster that has a cold.
http://www.breadonthewaters.com/hamsters...

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Having a damp tail area and/or not passing proper pellets is a sign of wet tail which is probably the most quickly fatal of the common hamster illnesses.
General signs of illness include lethargy (sleeping a lot, not moving around much), slightly or completely closed up or damp eyes, scratching or going bald.
Hamsters should sleep during the day and then be very lively at night. Their eyes should be bright and slightly bugged out even.
If you hamster is displaying any of the above signs of illness he needs to go to a vet.
Chalice

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usally they act funny they sleep alot and dont like to be messed with

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not eating, not playing, not moving

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It won't act like itself. it will be depressed and stop eating and drinking.

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One sign is Diarrhea, the other is overgrown teeth, the next one is losing patches of fur, and last but not least, blood in their urine.

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They don't eat or drink a lot. They aren't as active as usual. They act kinda wierd. This are all sign of a sick hamster