All pee passes with droppings.. and get more in hot weather.. what is your temps? What other symptoms are you seeing? Have you ever wormed?
Do you have a picture.. some shed intestinal lining may appear similar to blood.. but coccidiosis blood is a LOT.. and only 1 or 2 of the 9-11 strains known to effect poultry *may* appear as blood in droppings, and not every dropping even then.
Is she still eating and drinking? What is her age, breed, and feed routine including treats and supplements? When was her last egg? Are you in the US?
Is she staying with her flock or separating herself? What you describe so far.., doesn't constitute "suffering". But let's see if we can help you assess the situation.
ETA: coccidiosis often looks like a bird standing around with feathers puffed up, head and neck pulled in toward the chest and little to no appetite or drinking. If veterinary fecal float is an option then it's easy to find out if the "load" is too heavy for her immune system.. since coccidia are always present.. and "osis" in the instance of coccidiosis indicates an overgrowth of their population.