AIDS itself does not cause lower body ulcers, but the immune deficiency caused by AIDS can cause various pathogen infections, resulting in the emergence of lower body ulcers.
After HIV infection, it will destroy the CD4+ T lymphocytes in the human immune system, resulting in cellular immune deficiency, which in turn makes the body prone to combining with other diseases. Therefore, AIDS itself does not cause lower body ulcers, but after the destruction of immune function, due to a variety of pathogens caused by infectious disease, it may be manifested as lower body ulcers, such as genital herpes, condyloma acuminatum, syphilis, and so on.
AIDS is currently incurable and can be helped to slow down the course of the disease by active treatment. If you have lower body ulcers, you should go to a regular hospital in time to clarify the cause of the disease and standardize the treatment.