English to Polish Art/Literary Medical (general)

Jak przetłumaczyć 'watery bowel' w zdaniu 'Pathogens swam in hordes across the moat of his defences, they swarmed over the castle walls armed with cold sores, mouth ulcers, fatigue, joint pain, watery bowels, nose acne, blepharitis – a new one this, a disfiguring inflammation of the eyelids that erupted into white-peaked Mount Fuji styes that pressured his eyeballs, blurring his vision. '