testicular that worsens lying down

Overview

This is pain or discomfort in one or both testicles that feels worse when you lie flat on your back or side. The testicles are the two male reproductive glands that hang below the penis. Pain that changes with body position can be related to blood flow, fluid, or inflammation, and the cause can range from a minor issue to a medical emergency.

Testicular pain is a common reason for men to see a doctor. Many men experience some type of scrotal or testicular discomfort during their life, though not all cases are serious.

It can affect boys and men of any age, from infants to older adults. The most likely cause depends on age, so a young teenager may have a different reason for pain than an older man.

Symptoms

Common symptoms

• A dull ache or sharp pain in one or both testicles that worsens when you lie down
• Swelling, redness, or warmth in the scrotum
• A feeling of heaviness or fullness in the scrotum
• Pain that spreads to the lower abdomen or groin
• Tenderness when the testicle is touched

Symptoms in children

• Crying or fussiness in a baby or young boy
• Tugging or pulling at the scrotum
• Refusing to walk or limping
• Swelling or redness in the scrotal area

Symptoms in older adults

• Pain may be accompanied by urinary symptoms like burning, urgency, or frequent urination
• A dull ache that is worse at night or when lying down
• General discomfort that may be linked to an enlarged prostate or a urinary tract infection

Causes

Main causes

• Testicular torsion – a twisting of the spermatic cord that cuts off blood flow to the testicle. This is an emergency.
• Epididymitis – inflammation of the coiled tube at the back of the testicle, often due to infection.
• Hydrocele – a buildup of fluid around the testicle that can cause swelling and discomfort.
• Varicocele – enlarged veins in the scrotum that can cause a dull ache, sometimes worse in certain positions.
• Trauma – a direct injury to the groin or testicles.
• Inguinal hernia – part of the intestine pushes into the groin or scrotum.
• A urinary tract infection or sexually transmitted infection that spreads to the testicle area.

Risk factors

• Age – testicular torsion is most common in teenagers and young adults.
• Vigorous physical activity or a recent injury to the groin.
• Previous surgery in the groin or scrotal area.
• Bacterial infections, especially via the urinary tract.
• A history of sexually transmitted infections.
• Abnormal anatomy of the testicles or scrotum (present from birth).

When to see a doctor

See a doctor urgently if:

• If you have sudden, severe testicular pain, especially with nausea, vomiting, or swelling, get emergency help immediately.
• If you notice a testicle that is hard, higher than usual, or different in shape.
• If you have fever and chills with intense pain.

Book a routine appointment if:

• If you have a dull ache that comes and goes, and lying down makes it worse, see your doctor within a few days.
• If you feel a small lump or area of firmness in the testicle.
• If you have ongoing discomfort that interferes with sleep or daily activities.

Diagnosis

Your doctor will start by asking about your symptoms and medical history. They will then examine your scrotum, testicles, and abdomen to check for swelling, tenderness, or changes in the position of the testicle. They may also ask for a urine sample or blood test to look for signs of infection.

Tests that may be done

• Physical examination of the scrotum and testicles
• Urinalysis (a urine test to check for infection)
• Blood tests to look for infection or other markers
• Ultrasound of the scrotum – a safe, painless test that uses sound waves to see blood flow and structures
• CT scan or MRI in certain situations to get a clearer image

What to expect at your appointment

During the physical exam, the doctor may gently press on the scrotum to find the exact area of pain. If the pain is severe or sudden, they may recommend an ultrasound right away. This test helps show whether blood flow to the testicle is normal, which is a key clue to diagnosing torsion. You should feel comfortable asking the doctor questions at each step.

Treatment

Treatment depends entirely on the cause. Testicular torsion must be treated with surgery as soon as possible to save the testicle. Infections are usually treated with antibiotics. Fluid buildup or enlarged veins may need a small procedure if they cause persistent pain. For mild cases, rest and supportive care may be enough while your body heals.

Self-care at home

• Rest and avoid strenuous activity until the pain improves.
• Wear supportive underwear or athletic support to reduce movement of the testicles.
• Apply an ice pack to the scrotum for short periods, always wrapped in a cloth to protect the skin.
• Take over-the-counter pain relievers only as directed by a pharmacist or doctor.
• Avoid hot baths or heating pads, as heat can sometimes make inflammation worse.

Medical treatments

Your doctor may prescribe antibiotics if an infection is found, or anti-inflammatory medicines to reduce swelling and pain. For conditions like a hydrocele or varicocele, a minor procedure called aspiration or surgical repair may be recommended if discomfort continues. Always ask your doctor to explain the options and the expected benefits and risks.

When is surgery considered?

Surgery is needed immediately for testicular torsion to untwist the spermatic cord and restore blood flow. It is also an option for chronic hydrocele, varicocele, or a hernia that does not improve with other measures. In rare cases where the testicle is damaged beyond repair, it may need to be removed, but this is a last resort.

Living with this condition

Follow your doctor's recommendations and take any prescribed medicines exactly as directed. Use supportive underwear if it feels comfortable. Pay attention to how your body feels and avoid activities that cause sharp pain. Keep your follow-up appointments so your doctor can check your progress.

Lifestyle tips

• Wear a protective cup during contact sports or activities that could injure the groin.
• Take breaks from sitting or lying in one position if it increases pain.
• Keep the scrotal area clean and dry, but avoid harsh soaps.
• Do not ignore new or worsening symptoms.

Diet and exercise

Eat a balanced diet and stay active for overall health, but adjust your exercise routine based on your pain. If running or lifting heavy weights makes the pain worse, try low-impact activities like walking or swimming. Ask your doctor when you can safely return to full activity.

Mental health and emotional wellbeing

Living with testicular pain can be stressful and anxiety-provoking. You may worry about your health, your fertility, or your future. These worries are normal and understandable. Talk to your doctor about your concerns, and don't keep feelings of fear or low mood to yourself.

Prevention

Not all causes of testicular pain can be prevented, but you can reduce some risks. Wearing protective gear during sport can prevent trauma. Practicing safe sex and treating infections early can lower the risk of epididymitis. If you notice any unusual pain or swelling, getting help early can prevent complications.

Screening programmes

There is no routine screening test for testicular pain in healthy men, but regular self-examination can help you become familiar with the size, shape, and feel of your testicles. If you notice a new lump, a change in size, or pain that lasts more than a week, see your doctor.

Complications

If left untreated

• Testicular torsion can cause the testicle to lose its blood supply permanently, leading to tissue death and possible loss of the testicle.
• Untreated infections can spread to other parts of the urinary system or cause an abscess (a pocket of pus).
• Chronic pain may affect sleep, work, and quality of life.
• A hernia or varicocele can grow larger and cause more serious problems over time.

Long-term outlook

When diagnosed and treated early, most causes of testicular pain can be managed successfully, and the underlying problem often resolves completely. Even when surgery is needed for torsion, many men go on to live healthy lives. Your doctor will guide you through the next steps, and the outlook is generally good with timely care.

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