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What are hemorrhoids?

Hemorrhoids are swollen, enlarged veins that form inside and outside the anus and rectum. They can be painful, uncomfortable and cause rectal bleeding. Hemorrhoids are also called piles. We’re all born with hemorrhoids, but at baseline, they don’t bother us. It’s only when they become swollen and enlarged that they produce irritating symptoms.

 

Who might get hemorrhoids?

Anyone can get symptomatic hemorrhoids, even teenagers. (Because hemorrhoids take a while to develop, they’re uncommon in children.) You may be more at risk if you:

  • Are overweight or obese.
  • Are pregnant.
  • Eat a low-fiber diet.
  • Have chronic constipation or diarrhea.
  • Regularly lift heavy objects.
  • Spend a lot of time sitting on the toilet.
  • Strain while having bowel movements.

What are the types of hemorrhoids?

Hemorrhoids can happen inside or outside the rectum. The type depends on where the swollen vein develops. Types include:

  • External: Swollen veins form underneath the skin around the anus. Your anus is the canal where poop comes out. External hemorrhoids can be itchy and painful. Occasionally, they bleed. Sometimes they fill with blood that can clot. This is not dangerous, but can result in pain and swelling.
  • Internal: Swollen veins form inside the rectum. Your rectum is the part of the digestive system that connects the colon (large intestine) to the anus. Internal hemorrhoids may bleed, but they usually aren’t painful.
  • Prolapsed: Both internal and external hemorrhoids can prolapse, meaning they stretch and bulge outside of the anus. These hemorrhoids may bleed or cause pain.

 

What’s the difference between hemorrhoids and anal fissures?

Hemorrhoids and anal fissures cause similar symptoms, such as itching, pain and bleeding. While swollen veins cause hemorrhoids, a tear in the lining of the anus causes an anal fissure. Your healthcare provide will do a physical exam and may order tests to find what’s causing your symptoms.

 

What causes hemorrhoids?

Straining puts pressure on veins in the anus or rectum, causing hemorrhoids. You might think of them as varicose veins that affect your bottom.

Any sort of straining that increases pressure on your belly or lower extremities can cause anal and rectal veins to become swollen and inflamed. Hemorrhoids may develop due to:

  • Pelvic pressure from weight gain, especially during pregnancy.
  • Pushing hard to have a bowel movement (poop) because of constipation.
  • Straining to lift heavy objects or weightlifting.

 

What are the symptoms of hemorrhoids?

Internal hemorrhoids rarely cause pain (and typically can’t be felt) unless they prolapse. Many people with internal hemorrhoids don’t know they have them because they don’t have symptoms.

If you have symptoms of internal hemorrhoids, you might see blood on toilet paper, in stool or the toilet bowl. These are signs of rectal bleeding.

Signs of external hemorrhoids include:

  • Itchy anus.
  • Hard lumps near the anus that feel sore or tender.
  • Pain or ache in the anus, especially when you sit.
  • Rectal bleeding.

Prolapsed hemorrhoids can be painful and uncomfortable. You may be able to feel them bulging outside the anus and gently push them back inside.

 

How are hemorrhoids diagnosed?

Your healthcare provider diagnoses hemorrhoids based on symptoms and a physical exam. You may also have:

  • Digital rectal exam: Your provider inserts a gloved, lubricated finger into the rectum to feel for swollen veins.
  • Anoscopy: Your provider uses an anoscope (lighted tube) to view the lining of the anus and rectum.
  • Sigmoidoscopy: Your provider uses a sigmoidoscope (lighted tube with a camera) to view inside the lower (sigmoid) part of the colon and rectum. Procedure types include flexible sigmoidoscopy and rigid sigmoidoscopy (proctoscopy).

These tests may be uncomfortable but aren’t painful. They typically take place in a doctor’s office or outpatient center without anesthesia. You go home the same day.

Your provider may perform a colonoscopy to confirm findings from other tests or check for signs of colon cancer. This outpatient procedure requires anesthesia.

 

What are the complications of hemorrhoids?

Hemorrhoids can be uncomfortable and painful, but they don’t tend to cause serious problems. Rarely, people with hemorrhoids develop:

  • Anemia.
  • Blood clots in external hemorrhoids.
  • Infection.
  • Skin tags (flap of tissue that hangs off skin).
  • Strangulated hemorrhoids (muscles in the anus cut off blood flow to a prolapsed internal hemorrhoid).

 

How can I prevent hemorrhoids?

Hemorrhoids are common as you get older. These steps can help prevent hard stools and constipation that can lead to hemorrhoids:

  • Don’t sit too long or push too hard on the toilet.
  • Go the toilet when the urge hits — don’t delay bowel movements.
  • Drink plenty of water throughout the day.
  • Eat more high-fiber foods (fresh fruits, vegetables and whole grains) or take supplements. Generally, women should aim for 25 grams of fiber per day, while men should get 35 grams of fiber.
  • Stay physically active. Being on the move keeps bowels moving.
  • Take laxatives or use enemas only as recommended by your healthcare provider. Too many laxatives or enemas can make it hard for your body to regulate how you poop.

What are hemorrhoids?

Hemorrhoids are swollen, enlarged veins that form inside and outside the anus and rectum. They can be painful, uncomfortable and cause rectal bleeding. Hemorrhoids are also called piles. We’re all born with hemorrhoids, but at baseline, they don’t bother us. It’s only when they become swollen and enlarged that they produce irritating symptoms.

 

Who might get hemorrhoids?

Anyone can get symptomatic hemorrhoids, even teenagers. (Because hemorrhoids take a while to develop, they’re uncommon in children.) You may be more at risk if you:

  • Are overweight or obese.
  • Are pregnant.
  • Eat a low-fiber diet.
  • Have chronic constipation or diarrhea.
  • Regularly lift heavy objects.
  • Spend a lot of time sitting on the toilet.
  • Strain while having bowel movements.

What are the types of hemorrhoids?

Hemorrhoids can happen inside or outside the rectum. The type depends on where the swollen vein develops. Types include:

  • External: Swollen veins form underneath the skin around the anus. Your anus is the canal where poop comes out. External hemorrhoids can be itchy and painful. Occasionally, they bleed. Sometimes they fill with blood that can clot. This is not dangerous, but can result in pain and swelling.
  • Internal: Swollen veins form inside the rectum. Your rectum is the part of the digestive system that connects the colon (large intestine) to the anus. Internal hemorrhoids may bleed, but they usually aren’t painful.
  • Prolapsed: Both internal and external hemorrhoids can prolapse, meaning they stretch and bulge outside of the anus. These hemorrhoids may bleed or cause pain.

 

What’s the difference between hemorrhoids and anal fissures?

Hemorrhoids and anal fissures cause similar symptoms, such as itching, pain and bleeding. While swollen veins cause hemorrhoids, a tear in the lining of the anus causes an anal fissure. Your healthcare provide will do a physical exam and may order tests to find what’s causing your symptoms.

 

What causes hemorrhoids?

Straining puts pressure on veins in the anus or rectum, causing hemorrhoids. You might think of them as varicose veins that affect your bottom.

Any sort of straining that increases pressure on your belly or lower extremities can cause anal and rectal veins to become swollen and inflamed. Hemorrhoids may develop due to:

  • Pelvic pressure from weight gain, especially during pregnancy.
  • Pushing hard to have a bowel movement (poop) because of constipation.
  • Straining to lift heavy objects or weightlifting.

 

What are the symptoms of hemorrhoids?

Internal hemorrhoids rarely cause pain (and typically can’t be felt) unless they prolapse. Many people with internal hemorrhoids don’t know they have them because they don’t have symptoms.

If you have symptoms of internal hemorrhoids, you might see blood on toilet paper, in stool or the toilet bowl. These are signs of rectal bleeding.

Signs of external hemorrhoids include:

  • Itchy anus.
  • Hard lumps near the anus that feel sore or tender.
  • Pain or ache in the anus, especially when you sit.
  • Rectal bleeding.

Prolapsed hemorrhoids can be painful and uncomfortable. You may be able to feel them bulging outside the anus and gently push them back inside.

 

How are hemorrhoids diagnosed?

Your healthcare provider diagnoses hemorrhoids based on symptoms and a physical exam. You may also have:

  • Digital rectal exam: Your provider inserts a gloved, lubricated finger into the rectum to feel for swollen veins.
  • Anoscopy: Your provider uses an anoscope (lighted tube) to view the lining of the anus and rectum.
  • Sigmoidoscopy: Your provider uses a sigmoidoscope (lighted tube with a camera) to view inside the lower (sigmoid) part of the colon and rectum. Procedure types include flexible sigmoidoscopy and rigid sigmoidoscopy (proctoscopy).

These tests may be uncomfortable but aren’t painful. They typically take place in a doctor’s office or outpatient center without anesthesia. You go home the same day.

Your provider may perform a colonoscopy to confirm findings from other tests or check for signs of colon cancer. This outpatient procedure requires anesthesia.

 

What are the complications of hemorrhoids?

Hemorrhoids can be uncomfortable and painful, but they don’t tend to cause serious problems. Rarely, people with hemorrhoids develop:

  • Anemia.
  • Blood clots in external hemorrhoids.
  • Infection.
  • Skin tags (flap of tissue that hangs off skin).
  • Strangulated hemorrhoids (muscles in the anus cut off blood flow to a prolapsed internal hemorrhoid).

 

How can I prevent hemorrhoids?

Hemorrhoids are common as you get older. These steps can help prevent hard stools and constipation that can lead to hemorrhoids:

  • Don’t sit too long or push too hard on the toilet.
  • Go the toilet when the urge hits — don’t delay bowel movements.
  • Drink plenty of water throughout the day.
  • Eat more high-fiber foods (fresh fruits, vegetables and whole grains) or take supplements. Generally, women should aim for 25 grams of fiber per day, while men should get 35 grams of fiber.
  • Stay physically active. Being on the move keeps bowels moving.
  • Take laxatives or use enemas only as recommended by your healthcare provider. Too many laxatives or enemas can make it hard for your body to regulate how you poop.

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