Femoral Hernia

Overview

A femoral hernia happens when a small piece of tissue — often fat, and sometimes part of the bowel — pushes through a narrow gap in the muscles of your groin. That gap is called the femoral canal. It sits just below the crease where your leg meets your body, near the top of the thigh. So the lump usually appears low in the groin or upper thigh, a little lower than the more common inguinal hernia. Because the gap is narrow and the tissue can get pinched, a femoral hernia needs to be checked by a doctor.

Femoral hernias are uncommon. They make up only a small share of all groin hernias, which is one reason they are sometimes missed at first. They are seen far more often in women than in men.

Femoral hernias are most common in older women, especially those who have had children. They can affect men too, and they can appear in children, though that is rare. Anyone with long-term straining, a lasting cough, or heavy lifting at work can be affected.

Symptoms

Common symptoms

• A soft lump in the groin or at the top of the thigh, often just below the groin crease
• A dull ache or heaviness in the groin, worse when you stand, walk, cough, or lift something
• The lump may shrink or disappear when you lie down, and come back when you stand up
• Mild tenderness when you press on the area
• Sometimes discomfort but no visible lump at all, especially in people who carry extra weight

Symptoms in children

• A small bulge low in the groin or top of the thigh, more visible when your child cries or strains
• Fussiness or crying when the area is touched
• Femoral hernias are rare in children, so any groin lump in a child should be checked by a doctor

Symptoms in older adults

• A lump that is easy to miss, especially in people with a larger body shape
• Sudden belly pain, vomiting, or bloating can sometimes be the first sign, without a clear lump
• Symptoms may be put down to other causes at first, so it is worth asking your doctor to check your groin

Causes

Main causes

• A naturally weak or wide spot in the lower groin muscles, called the femoral canal, which lets tissue push through
• Extra pressure inside the belly, which pushes tissue toward that weak spot

Risk factors

• Being an older adult, and being female — the shape of the female pelvis makes the gap wider
• Having been pregnant, especially more than once
• Long-term constipation and straining on the toilet
• A lasting cough, such as from smoking or a long-term lung condition
• Heavy lifting at work, at the gym, or at home
• Being overweight
• Extra fluid in the belly (called ascites) from another health condition
• Weaker connective tissue, which some people inherit, or which comes with getting older
• Surgery in the groin area in the past

When to see a doctor

See a doctor urgently if:

• A lump that is firm, very sore, and will not go back in
• New belly pain with vomiting, bloating, or not passing wind or stools
• Skin over the lump that looks red or dark, or feels hot

Book a routine appointment if:

• Any new lump in the groin or upper thigh, even if it does not hurt
• An ache or heaviness in the groin that keeps coming back
• A lump that seems to be getting bigger or more uncomfortable over time

Diagnosis

Your doctor will usually ask about your symptoms and then examine your groin while you stand and again while you lie down. They will gently feel for a lump and check whether it can be pushed back in. In many cases, this examination is enough to make the diagnosis. If the picture is unclear, or if your doctor wants more detail, they may arrange a scan.

Tests that may be done

• A physical exam of the groin, standing and lying down
• An ultrasound scan of the groin, which is painless and uses sound waves
• A CT scan in some cases, for example if the diagnosis is uncertain or if a blocked bowel is suspected
• Routine blood tests if you are unwell or if surgery is being planned

What to expect at your appointment

The check-up is quick and should not be painful, though pressing on the lump may feel tender. You may be asked to cough or stand up during the exam. If a scan is needed, you can usually have it within a few days or weeks. Your doctor should explain what they found and talk you through the next steps.

Treatment

The only way to fully fix a femoral hernia is with an operation, because the gap in the muscle does not close on its own. Unlike some other hernias, doctors rarely suggest simply waiting and watching, because a femoral hernia is more likely to become trapped. Your doctor will talk with you about timing, your general health, and what the surgery involves.

Self-care at home

• Try not to strain. Take your time on the toilet and avoid pushing hard.
• Ask your pharmacist or doctor for safe ways to keep your bowels regular if you are prone to constipation.
• Avoid heavy lifting until you have been assessed.
• If you smoke, getting support to stop can lower your risk of coughing and help healing after surgery.
• Keep to a healthy weight if you can — this lowers pressure inside the belly.
• Do not use a hernia belt or truss unless a health professional has specifically advised it, as these can sometimes make things worse.

Medical treatments

There is no medicine that closes the gap or cures a hernia. Pain relief can help with discomfort, and your pharmacist can advise on options that are suitable for you, including what to avoid if you have other health conditions. The main treatment is surgery. This can be done as an open operation (one larger cut) or keyhole surgery (a few small cuts), usually under a general anaesthetic, and sometimes under a spinal or local anaesthetic. The surgeon pushes the tissue back into place and strengthens the area, often with a small piece of mesh. Most people go home the same day or the next day.

When is surgery considered?

Surgery is usually recommended soon after the diagnosis, even if the hernia is not causing much trouble, because the risk of it becoming trapped goes up over time. If the hernia becomes stuck and the bowel is squeezed, you will need emergency surgery. Your surgeon will discuss the risks and benefits with you, including how your other health conditions might affect the timing.

Living with this condition

While you wait for your appointment or operation, you can usually carry on with normal life. Just be gentle with heavy lifting and listen to your body. Many people find the lump is more noticeable after a long day of standing. If it becomes sore, hard, or will not go back in, get medical help straight away.

Lifestyle tips

• Build a routine that avoids sudden heavy strain — ask for help with moving furniture or heavy shopping
• Stay active with gentle walking, which helps your bowels and your general fitness
• Drink enough water and eat plenty of fibre to keep stools soft
• Follow your surgery team's advice about lifting and exercise after your operation

Diet and exercise

There is no special diet that fixes a hernia, but eating well matters. Fibre from fruit, vegetables, beans, and whole grains, plus enough fluids, helps you avoid straining on the toilet. Gentle regular movement — walking, swimming, light activity — is good for you. Ask your doctor or physiotherapist when it is safe to return to gym work or heavy exercise after surgery; most people are guided back over a few weeks.

Mental health and emotional wellbeing

Being told you need an operation, or living with a lump you are not sure about, can be worrying. Some people feel anxious about the hernia becoming trapped, or self-conscious about the bulge. These feelings are normal and worth mentioning to your doctor. Talking to friends, family, or a support group often helps, and if worry is affecting your sleep or mood, ask for support — it is a sign of strength, not weakness.

Prevention

You cannot always prevent a femoral hernia, especially if the gap in the muscle is something you were born with or that comes with age. But you can lower the pressure inside your belly, which is the part you can control: avoid straining on the toilet, treat a lasting cough, lift with care, and keep to a healthy weight.

Vaccines

There is no vaccine for a femoral hernia.

Screening programmes

There is no routine screening programme for femoral hernias. They are usually found when you see a doctor about a lump or groin discomfort, or during an examination for another reason.

Complications

If left untreated

• The hernia becoming trapped (incarcerated), so it can no longer be pushed back in
• The blood supply being cut off (strangulated), which damages the bowel and is a medical emergency
• A blocked bowel, causing severe belly pain, vomiting, bloating, and no bowel movements
• A need for emergency rather than planned surgery, which carries more risk

Long-term outlook

The outlook after repair is generally very good. Most people recover well, get back to normal activities within a few weeks, and the chance of the hernia coming back is low. The key is to get a groin lump checked rather than ignore it, so that if treatment is needed it can be planned calmly and safely.

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