You can give it a shower, by placing it on a plant in the shower, aiming the nozzle at the wall so a gentle mist falls on her. You can up her mistings too.
The question is why is she having trouble? Can you fill out the how to ask for help form in the health clinic here?
my cham wont poop for days at a time. its not unusal for them to only go once or twice a week. Id also check the whole cage, my panther is known for leaving suprises in weird hard to see places