The etiology of hemorrhoids is still unclear, currently recognized pathogenesis, including anal cushion displacement and varicose veins doctrine, while the existence of constipation and other related factors.
1. Anal cushion displacement theory: under normal circumstances, the anal cushion plays a role in closing the anal canal and restraining defecation. When the elasticity of the anal cushion is weakened, it may become congested, move downward and proliferate to form hemorrhoids.
2. Varicose vein theory: that the formation of hemorrhoids and perianal rectal vein blood stasis and venous expansion. It leads to the obstruction of its venous return. Factors that occur to induce varicose veins are prolonged sitting and standing, constipation, pregnancy, prostate hypertrophy and so on.
3. Related factors: perianal infection can cause venous inflammation, inducing venous dilatation; prolonged drinking or eating spicy and irritating food can cause local congestion.
If there is any discomfort in the perianal area, it is recommended to consult a doctor in time to clarify the cause of the disease and carry out diagnosis and treatment.