Dry anal stool with blood may be caused by constipation, it is not recommended to use erythromycin ointment, such as anal co-infection, can be applied locally erythromycin ointment.
Constipation refers to a variety of reasons for the decrease in the number of bowel movements, the feces become dry and hard and difficult to defecate, if there is a dry stool and blood, the biggest possibility is that constipation caused by the feces dry and hard to lead to difficulties in discharging, and feces and intestinal mucous membrane friction leads to mucous membrane bleeding caused by. Erythromycin ointment is not recommended.
Erythromycin ointment belongs to a kind of antibiotic, can be used for legionella pneumonia, mycoplasma pneumonia, skin and soft tissue infections. For constipation, the treatment first needs to change the diet structure, increase dietary fiber and water intake; for those who have difficulty in defecation give laxatives such as polyethylene glycol, mannitol, etc., or perform enemas.
If the anal stool is dry with blood in the stool, and at the same time the anal skin mucous membrane is red, swollen and painful, then consider that there is a local infection, you can use erythromycin ointment under the guidance of the doctor to fight infection.
If you have a long time to have a dry anal stool with blood, it is recommended to go to the hospital, to clarify the cause of the disease, and actively give treatment.