Aug 23, 2025 · Hemorrhoids are swollen veins in the lower rectum. Internal hemorrhoids are usually painless, but they tend to bleed. External hemorrhoids may cause pain.

Aug 23, 2025 · If you have symptoms of hemorrhoids, make an appointment with someone on your primary healthcare team. If needed, this person might refer you to one or more specialists …

May 13, 2016 · Hemorrhoids are a normal part of the anatomy of the anorectum. They are vascular cushions that serve to protect the anal sphincter, aid closure of the anal canal during …

Oct 29, 2024 · On this episode of Health Matters, gastroenterologist Dr. Sarah Umar — also known to her Mayo Clinic patients as the Queen of Hemorrhoids — joins us to answer all our …

Jun 7, 2016 · Internal hemorrhoids don’t cause any pain and usually don’t require treatment unless they start to bleed. External hemorrhoids are the ones that typically lead to the pain and …

Aug 23, 2025 · Mayo Clinic researchers continually study new diagnosis and treatment options for people with all types of gastrointestinal conditions, including hemorrhoids. Publications

Dec 12, 2025 · What can I do to treat hemorrhoids during pregnancy? Hemorrhoids are swollen blood vessels in and around the anus and lower rectum. To ease the discomfort of …

Aug 23, 2025 · Mayo Clinic surgeons are highly experienced in treating hemorrhoids, including the most complicated. Doctors at Mayo Clinic treat several thousand people for hemorrhoid …

Dec 13, 2023 · 病因 肛门周围的静脉在压力下容易伸展，可能会隆起或肿胀。痔疮可能是由于直肠下部压力因以下原因增高而引起的： 排便时用力。 久坐，尤其是在马桶上久坐。 慢性腹泻或 …

Hemorrhoids Hemorrhoids are swollen veins in the lower rectum. Internal hemorrhoids are usually painless, but they tend to bleed. External hemorrhoids may cause pain.