Spasm after dilation may be due to overstimulation of the muscles, or it may be due to the presence of disease in the anus.
Clinically, if anal stenosis occurs, anal dilation treatment can be given, in the process of anal dilation, if the strength is too large, the sphincter around the anus will be violently stimulated, and the anal sphincter will contract again, which will be manifested as anal spasm.
If the anus occurred disease, such as sinusitis, anal fissure, etc., the patient will appear anal pain, if this time to expand the anus, the lesion will have a stimulating effect, the pain will be aggravated, the sphincter around the anus will increase the contraction, manifested as anal spasm.
When expanding the anus, do not over-expand the anus, the action needs to be gentle, otherwise it will lead to anal spasm, which will affect the effect of expanding the anus. It is recommended to expand the anus, which must be operated by professional medical personnel, to avoid causing discomfort as much as possible. Patients can not do anal expansion on their own, so as not to cause damage to the anus, bleeding and other adverse consequences.