Cotton swabs for anal physical examination can be used for sterilization, sampling, etc. Embodied in the pre-diagnostic, suspected of parasitic infections and so on.
Anorectal physical examination, sometimes need to carry out anal finger-pointing, before the beginning of the local disinfection with alcohol swabs, after the gloves coated with paraffin oil for finger-pointing, to see whether there are hemorrhoids, rectal polyps, anal papillomas and other anorectal diseases.
Perianal lesions, such as pus or other secretions, can be sampled with a cotton swab and sent for laboratory tests to facilitate targeted treatment.
After infection with pinworms, there will be perianal itching symptoms appear, with a cotton swab dipped in saline, wipe in the perianal area, sent to the test, to see whether there are pinworm eggs, combined with the routine stool clear diagnosis.
In short, the doctor in the examination of the anus, in addition to the routine anal diagnosis, will be based on the history, symptoms, physical examination and other circumstances, will do the relevant necessary tests, better to clarify the cause of the disease, to exclude some lesions.