Hemorrhoids: Symptoms, Causes, Treatment, and When to See a Doctor

Hemorrhoids are one of the most common health problems in the anal and rectal area, and their symptoms vary depending on the type. Most cases improve with simple, non-surgical measures, but it's important to know when the situation calls for medical evaluation — especially since rectal bleeding should never automatically be assumed to come from hemorrhoids, as it can have other causes worth checking. This guide covers what hemorrhoids are, their types, symptoms, and causes, treatment options from home care to medical procedures, and when it's an emergency.

What Are Hemorrhoids?

Hemorrhoids are swollen veins or vascular cushions in the lower rectum and anus. Everyone has this tissue naturally as part of the area's anatomy; it only causes bothersome symptoms when it becomes enlarged or swollen. Hemorrhoids are classified by location into internal hemorrhoids, which form inside the rectum, and external hemorrhoids, which form under the skin around the anus — each type has slightly different characteristics and symptoms, as explained below. Swelling of these veins can cause bleeding, itching, discomfort, swelling, or pain, depending on the type and severity.

What Are the Symptoms of Hemorrhoids?

Hemorrhoid symptoms vary by type (internal or external), but common symptoms include:

• Bright red bleeding during or after a bowel movement
• Itching or irritation around the anus
• Discomfort or pain around the area
• Swelling around the anus
• A lump that can be felt or seen near the anus
• Prolapse (protrusion) of part of the hemorrhoid outside the anus in some cases
• Mucus discharge at times

Not everyone with hemorrhoids experiences all of these symptoms; in many cases, hemorrhoids cause no noticeable symptoms at all and are discovered incidentally.

What Types of Hemorrhoids Are There?

Hemorrhoids are generally classified by location into two main types, plus a specific condition of external hemorrhoids that deserves separate attention:

Internal Hemorrhoids

Internal hemorrhoids form inside the rectum and are usually painless, because this area is less sensitive to pain. Their most common symptom is painless bright red bleeding during a bowel movement. In more severe cases, internal hemorrhoids can prolapse (protrude) outside the anus, especially during a bowel movement, and may go back in on their own or need to be pushed back manually. Pain isn't a typical symptom of internal hemorrhoids unless a complication like severe prolapse occurs.

External Hemorrhoids

External hemorrhoids form under the skin around the anus, an area that is more sensitive to pain. As a result, external hemorrhoids tend to cause more noticeable itching, swelling, discomfort, or pain than the internal type, and may appear as a visible or palpable lump around the anus.

Thrombosed External Hemorrhoids

This type occurs when a blood clot forms inside an external hemorrhoid, causing sudden, relatively severe pain along with swelling and a firm lump that may appear purple or blue. Symptoms can be especially intense during the first few days. Not every thrombosed hemorrhoid needs a surgical procedure — some clinical sources (such as American Society of Colon and Rectal Surgeons guidance) note that early clot removal, often within the first few days of pain onset (some clinical sources mention around 72 hours specifically), may relieve pain faster than conservative treatment alone, though this recommendation is based on limited evidence and is described as a weak recommendation rather than a firm rule. After this early window has passed, conservative treatment is usually preferred over intervention instead. The final decision depends on a doctor's assessment of pain severity, clot size, and overall condition.

What Causes Hemorrhoids?

Hemorrhoids are generally linked to increased pressure on the veins of the anal and rectal area. Medically supported contributing factors include:

• Constipation and straining during bowel movements
• Chronic or recurrent diarrhea
• Prolonged sitting, especially on the toilet
• A low-fiber diet
• Pregnancy
• Being overweight or obese
• Frequent heavy lifting
• Advancing age

A single factor is rarely the direct cause on its own; several factors usually combine to increase the likelihood of developing hemorrhoids. Constipation specifically is among the factors most strongly linked to hemorrhoids, given the repeated straining during bowel movements that often accompanies it.

Who Is Most at Risk of Hemorrhoids?

Based on the risk factors above, the following groups are more likely to develop hemorrhoids than others:

• People with chronic constipation or frequent straining during bowel movements
• People who sit for long periods, whether at work or on the toilet
• Pregnant women
• People who are overweight or obese
• Older adults
• People with frequent diarrhea
• People who eat too little fiber

Having one of these factors doesn't necessarily mean someone will develop hemorrhoids, but it does raise the likelihood.

Do Hemorrhoids Cause Bleeding?

Yes, bright red bleeding is one of the most common symptoms of hemorrhoids, usually appearing during or right after a bowel movement — on toilet paper, in the toilet bowl, or on the surface of the stool. Internal hemorrhoids in particular are a common cause of painless bleeding.

However, it's very important not to assume that any rectal bleeding is automatically from hemorrhoids, since other conditions — some requiring faster evaluation — can cause similar bleeding. Bleeding warrants medical evaluation when there is:

• Heavy or continuous bleeding
• Bleeding that recurs frequently or without clear explanation
• Dizziness, lightheadedness, or feeling close to fainting
• Stool that turns black or unusually dark
• A change in usual bowel habits
• Unexplained weight loss
• Any bleeding in someone not previously diagnosed with hemorrhoids

A single small amount of bright red blood doesn't necessarily mean an emergency, but a doctor's evaluation is what determines the cause with confidence — not self-assumption.

Are Hemorrhoids Painful?

Pain depends on the type of hemorrhoid:

• Internal hemorrhoids are usually painless, because the area where they form is less sensitive to pain.
• External hemorrhoids can cause noticeable pain or discomfort, especially with irritation or friction.
• Thrombosed external hemorrhoids are usually the most painful, and the pain can be sudden and relatively severe.
• Prolapse or irritation of internal hemorrhoids can also cause additional discomfort.

If pain is severe or unexplained, it's appropriate to see a doctor to confirm the cause rather than assume it.

Home Treatment for Hemorrhoids

Most mild to moderate cases of hemorrhoids improve with simple home measures, including:

• Increasing dietary fiber intake (fruits, vegetables, whole grains) to soften stool
• Drinking enough fluids
• Avoiding straining during bowel movements
• Not sitting for long periods on the toilet
• Responding to the urge to have a bowel movement without delaying it
• Warm sitz baths (sitting in warm water for several minutes, a few times a day)
• Keeping the area gently clean without harsh rubbing
• Using cold compresses when needed to reduce swelling
• Regular physical activity when possible

Fiber supplements (such as psyllium) are sometimes used to help soften stool when dietary fiber alone isn't enough; it's best to ask a pharmacist or doctor about the right amount for your situation rather than deciding on a dose yourself. Not all home measures work equally well for everyone, and some cases may need more time or additional treatment.

Hemorrhoid Medications

Several categories of over-the-counter medication are available to relieve hemorrhoid symptoms, including:

• Topical products for symptom relief: such as those containing soothing or astringent ingredients to reduce itching and discomfort.
• Topical anesthetics: to temporarily numb pain in the area.
• Short-term topical hydrocortisone creams: may help reduce inflammation and itching, but are generally not recommended for more than about a week without a doctor's advice, since prolonged use can be associated with thinning of the skin in the area.
• Laxatives or stool softeners: when constipation is contributing to symptoms.

This section isn't meant to prescribe treatment for any individual; choosing the right product and how long to use it is best discussed with a pharmacist or doctor. Self-treating unexplained rectal bleeding isn't recommended without a medical evaluation to confirm the cause first.

When Do Hemorrhoids Need Medical Treatment?

Home measures alone may not be enough in some cases, and it's appropriate to see a doctor when:

• Symptoms don't improve after a reasonable period of home treatment
• Hemorrhoids recur frequently
• Pain is noticeable or worsening
• Bleeding is persistent or recurrent
• An internal hemorrhoid prolapses and doesn't go back in on its own
• There's uncertainty about whether the symptoms are actually from hemorrhoids

In these cases, medical evaluation helps confirm the diagnosis and choose the right treatment, whether that remains a conservative step or requires an additional procedure.

How Are Hemorrhoids Diagnosed?

Diagnosis usually starts with a medical history and physical exam, which may include:

• A visual exam of the area around the anus, to detect external hemorrhoids or prolapsed internal hemorrhoids.
• A digital rectal exam: the doctor inserts a gloved, lubricated finger into the rectum to feel for any swelling or lump.
• Anoscopy: a small lighted tube to see internal hemorrhoids more clearly.
• Additional tests: such as sigmoidoscopy or colonoscopy, when needed to rule out other causes of bleeding, especially if the bleeding's characteristics aren't typical for hemorrhoids or other risk factors are present.

Not every patient needs a colonoscopy; that decision depends on symptoms, age, and individual risk factors as assessed by a doctor.

Non-Surgical Treatment for Hemorrhoids

For cases that don't respond well enough to home treatment, several simple in-office procedures are available without needing full surgery, including:

• Rubber band ligation: a small rubber band is placed around the base of the hemorrhoid to cut off its blood supply, so it gradually shrinks and falls off.
• Sclerotherapy: a chemical solution is injected to shrink the hemorrhoid.
• Infrared coagulation or other similar clinically accepted procedures.

Which procedure is suitable depends on the type, size, and severity of the hemorrhoid and whether there's prolapse — something a doctor's evaluation determines. No single procedure is the best choice for everyone.

When Do Hemorrhoids Need Surgery?

Surgery is a less common option, usually considered in situations such as:

• Large hemorrhoids
• Severe or persistent symptoms despite other treatments
• Frequent recurrence
• Insufficient response to conservative treatment or in-office procedures
• Some cases of advanced prolapse

Known surgical options include surgical hemorrhoidectomy, stapled hemorrhoidopexy in clinically appropriate cases, and hemorrhoidal artery ligation in select cases. Most ordinary cases of hemorrhoids don't need surgery; it's an option usually reserved for more severe or unresponsive cases.

When Are Hemorrhoids Dangerous?

Hemorrhoids themselves are rarely dangerous, but some symptoms call for prompt or urgent medical evaluation, including:

• Heavy or continuous bleeding that doesn't stop
• Large blood clots with the bleeding
• Noticeable dizziness or lightheadedness accompanying bleeding
• Severe pain, especially if the cause isn't confirmed
• Fever, chills, or pus, which may indicate infection
• Rapid, noticeable worsening of symptoms

It's also worth repeating that rectal bleeding should never automatically be assumed to be from hemorrhoids; medical evaluation is what confirms the actual cause.

Hemorrhoids and Pregnancy

Hemorrhoids can appear or worsen during pregnancy, partly due to increased pressure in the pelvic area and constipation that can accompany pregnancy. Adequate fiber and fluids and avoiding straining during bowel movements help relieve symptoms in pregnant women as in anyone else. Any medication or supplement, including topical hemorrhoid products, should be discussed with a doctor, midwife, or pharmacist before use during pregnancy, to make sure it's appropriate for this stage specifically.

How Can Hemorrhoids Be Prevented?

Some daily habits reduce the likelihood of developing hemorrhoids or having them recur:

• Eating enough fiber daily
• Drinking enough fluids
• Exercising regularly
• Avoiding straining during bowel movements
• Not sitting for long periods on the toilet
• Treating constipation when it occurs instead of ignoring it
• Maintaining a healthy weight when possible

These measures don't guarantee complete prevention, but they are practical, medically supported steps to reduce known risk factors.

Sources

• Hemorrhoids — Cleveland Clinic
• Hemorrhoids — NIDDK (NIH)
• Piles (Haemorrhoids) — NHS
• Hydrocortisone for piles and itchy bottom — NHS