อาการ สาเหตุ การตรวจวินิจฉัยและการรักษาโรคริดสีดวงทวาร - Hemorrhoids Symptoms, Cause, Diagnosis and Treatment

Hemorrhoids

็็Hemorrhoids is veins in your anus and lower rectum become swollen, like varicose veins.Around 3 out of 4 adults experience hemorrhoid symptoms at some point in their life.

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Hemorrhoids

When you have hemorrhoids or piles, veins in your anus and lower rectum become swollen, like varicose veins. There are 2 types of hemorrhoids comprising internal hemorrhoids which develop inside your rectum and external hemorrhoids which develop under the skin of the anus.

Around 3 out of 4 adults experience hemorrhoid symptoms at some point in their life. There are various causes of hemorrhoids but most of the time they cannot be identified.

However, treatments for hemorrhoids are usually effective. Home remedies and lifestyle modification may relieve symptoms.

 

ลักษณะของริดสีดวงทวาร ภายในและภายนอก-Characteristics of hemorrhoids

What are the symptoms of Hemorrhoids?

Signs and symptoms of hemorrhoids vary by type of hemorrhoid.

  • External hemorrhoids occur beneath the skin surrounding the anus. You may experience:
    • Bleeding
    • Swelling of the anal area
    • Discomfort and pain
    • Irritation or itching around the anus
  • Internal hemorrhoids develop inside your rectum. You cannot see them and rarely feel the pain. However, when you strain to pass stool, you may experience:
    • Rectal bleeding with no pain. You may see some drips of bright red blood in the toilet or on toilet tissue.
    • Prolapsed hemorrhoid is a hemorrhoid that bulges outward from the anus, it can be quite painful.
  • Thrombosed hemorrhoids occur when blood clots form in the dilated veins of external hemorrhoids. You may experience:
    • Swelling
    • Severe pain
    • Inflammation
    • A hard lump around your anus

    When to see a doctor

    You should see your doctor if you experience rectal bleeding or your condition is not better after one week of home treatment.

    If there are changes in your bowel habit or stool color or consistency, hemorrhoids may not be the cause. Other diseases such as colorectal cancer or anal cancer can also cause rectal bleeding.

    If you feel dizzy, and lightheaded, and experience severe rectal bleeding, please seek immediate medical attention.

    What are the causes of Hemorrhoids?

    When veins around your anus encounter increased rectal pressure, your veins would become congested and stretch, swell, or bulge, leading to hemorrhoids. The pressure in the lower rectum increases when:

    • You strain to pass stools.
    • You sit on a toilet for a long time.
    • You suffer from constipation or chronic diarrhea.
    • You suffer from obesity.
    • You are pregnant.
    • You have anal intercourse.
    • You do not eat a high-fiber diet.
    • You lift and carry heavy objects regularly.

    สาเหตุของการเกิดริดสีดวงทวาร-Causes of Hemorrhoids

    Risk factors which causes Hemorrhoids?

    When you get older, the tissues around your rectal and anal veins become weaker and stretch out, increasing the risk of hemorrhoids. In pregnant women, the extra weight of the fetus pressing on the rectum and anus leads to a higher risk of hemorrhoids as well.

    What are the complications of Hemorrhoids?

    There rarely are any complications but possible ones are:

    • Anemia. When bleeding from hemorrhoids is frequent and excessive, it can lead to anemia. This is when your body does not have enough healthy red blood cells to transfer oxygen to cells throughout your body, but it is infrequently seen.
    • Strangulated hemorrhoid. This can cause extreme pain due to inadequate blood supply of internal hemorrhoids.
    • Blood clot. A thrombosed hemorrhoid occurs when a blood clot is formed. The condition can cause severe pain. Lancing and clot evacuation may be required.

    How to prevent Hemorrhoids?

    Hemorrhoids can be prevented by keeping stools soft.

    Below is what you can do to prevent and minimize hemorrhoid symptoms.

    • Increase your fiber intake to soften stools and increase bulk so you do not have to strain to pass stool. However, try to increase fiber intake from fruits, vegetables, and whole grains little by little to avoid gas problems.
    • Drinking 6-8 glasses of water or liquids (except alcohol) daily to help soften your stools
    • The recommended daily intake of fiber is 20-30 grams, but most people do not eat enough. Try fiber supplements to improve rectal bleeding and other symptoms of hemorrhoids. Drink a minimum of 8 glasses of water when you take fiber supplements to avoid constipation.
    • Do not strain or hold your breath when defecating to avoid engorging your lower rectal veins.
    • Do not hold up your bowel movements, otherwise, your stool can become dry and hard.
    • Exercise helps increase your bowel motility, reducing constipation and pressure on veins.
    • Limit the time you sit on a toilet to avoid congesting anal veins for too long.

    How is Hemorrhoids diagnosed?

    External hemorrhoids can be examined visually; however, internal hemorrhoids need to be examined through your anal canal and rectum.

    • Digital rectal exam
      Your doctor will put on a glove, lubricate his/her gloved finger, and insert it into the rectum to feel if there are any unusual rectal lumps.
    • Visual inspection
      An inspection with a proctoscope, anoscope, or sigmoidoscope is to check the lower part of your colon for internal hemorrhoids and masses that are hard to feel during a digital rectal exam.

    A colonoscopy may be prescribed to examine your entire colon if:

    • Your doctor suspects that you may suffer from other digestive problems.
    • There are risk factors related to colorectal cancer.
    • You are in the middle-aged group and have not undergone a colonoscopy recently.

    How is Hemorrhoids treated?

    Home remedies

    Mild symptoms of hemorrhoids can be relieved with home remedies.

    • Add plenty of natural high-fiber foods including fruits, vegetables, and whole grains into your diet. When stools become bulkier and softer, you do not have to strain. This helps relieve the symptoms. However, please increase fiber intake little by little to avoid gas problems.
    • Apply hemorrhoid cream or suppository with hydrocortisone or pads with witch hazel extract or anesthetic agent.
    • Sit in warm water or use a sitz bath on your toilet for 10-15 minutes for a couple of times daily.
    • Take pain relievers to reduce the pain.

    These home remedies can effectively treat hemorrhoid symptoms within 7 days. If your symptoms do not improve within 7 days or you have aggravating bleeding and pain, please seek medical care.

    Medications

    If your symptoms are mild, treatment with pads, creams, ointment or suppositories containing witch hazel extract or hydrocortisone are usually prescribed to relieve discomfort. However, prolonged use of steroid cream can make your skin thinner, so it should not be used longer than 7 days unless instructed by your doctor.

    External hemorrhoid thrombectomy

    If there is thrombosed external hemorrhoid, clots removal under local anesthesia can be done for instant pain relief. However, it is most effective to remove the clots within 72 hours after their onset.

    Minimally invasive procedures

    There are many minimally invasive procedures for symptomatic hemorrhoids with persistent bleeding to choose from. The procedures can be done as an outpatient and anesthesia is usually not necessary.

    • Rubber ban ligation
      This procedure aims to cut the blood supply to the internal hemorrhoid by putting 1-2 small rubber bands around the base of the internal hemorrhoid so hemorrhoid shrivels and falls off within a week.
    • Sclerotherapy
      A chemical solution will be injected to shrivel hemorrhoid tissue. The procedure is either painless or causes slight pain, but it may not be as effective as rubber band ligation.
    • Coagulation procedures
      These procedures involve the use of heat, laser, or infrared light to shrink and harden bleeding internal hemorrhoids of small size. You may experience some discomfort and a few side effects.

    Surgical procedures

    Most of the time hemorrhoids surgery is not necessary; unless you have large hemorrhoids or conservative treatments are not effective. In that case, your doctor may recommend:
    • Hemorrhoidectomy
      There are many techniques of hemorrhoid surgical removal for your surgeon to choose from. General anesthesia, spinal anesthesia, or local anesthesia with sedation may be used during the surgical removal.  The most suitable technique to treat serious hemorrhoids and recurrence is surgical removal. One of the postoperative complications is temporary urinary retention occurring after spinal anesthesia, which can lead to urinary tract infections.
      Medications and soaking in a warm bath can help relieve the postoperative pain.

    Preparing for your appointment

    See your doctor if you suffer from hemorrhoids. You may be referred to a gastroenterologist or colon and rectal surgeon for further diagnosis and treatment.

    What you can do
    Prior to your doctor's appointment, check if there is anything you need to do and take note of the following:

    • Your symptoms and their duration.
    • Your usual bowel habits and daily diet including fiber intake.
    • Medications and dietary supplements as well as the dose.
    • Questions you would like to ask

    Sample of questions you can ask your doctor:

    • What causes hemorrhoids?
    • Are hemorrhoids temporary or permanent?
    • Are there any hemorrhoid complications?
    • What is the best treatment method?
    • If that treatment is not effective, what else we can do?
    • Do I need surgery?
    • What I can do at home to relieve the symptoms?
    • What is the best way to cope with my current medical issue along with hemorrhoids?

    Ask any other questions you may have.

    What to expect from your doctor
    Samples of questions your doctor may ask:

    • Do your symptoms cause pain?
    • What are your daily bowel habits?
    • How many high-fiber foods do you eat daily?
    • What have you tried to relieve the symptoms?
    • What have you tried which makes your symptoms worse?
    • Is there a family record of colon or rectum or anus cancer or hemorrhoids?
    • Have your bowel habits changed recently?
    • Is there any blood in your stools or any blood drips into the toilet or on tissue paper?
    • What is the usual amount of bleeding and the color of the blood?

    What you can do in the meantime

    Prior to your appointment, you can try to relieve symptoms by eating more fruits, vegetables, and whole grains and drinking at least 6-8 glasses of water daily.

    สาเหตุที่เป็นริดสีดวงทวาร- Causes of Hemorrhoids

     เป็นริดสีดวงทวารต้องดูแลอย่างไร-How to take care of Hemorrhoids

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    Published: 20 Mar 2022

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