Recognizing Disease in Hamsters

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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.