Get Well Gummi!

TMZ has learned that Jason "Gummi Bear" Davis is in the hospital, suffering from stomach ulcers and a variety of ailments. Nurse!

We spoke with a very sick-sounding Gummi tonight from his hospital bed in Century City, Calif., who told us he was suffering from a multitude of illnesses, including a virus, pneumonia and a staph infection. Say it ain't so GumGum!

He's expected to be hospitalized for the next few days, but tells us, 'I'll be fine." Thank God! Ursine specialists from as far away as the Black Forest have been called to consult on treatment.