
Testicular torsion
Twisting of the spermatic cord can interrupt blood supply to a testicle. This is a surgical emergency.
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Twisting of the spermatic cord can interrupt blood supply to a testicle. This is a surgical emergency.
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A traumatic tear in the covering of an erectile body, usually during an erection.
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Failure to empty the bladder properly. Acute retention is sudden and often painful.
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An infection of the kidney, often spreading upwards from the lower urinary tract.
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A rapid loss of kidney function caused by dehydration, severe infection, medicines or urinary blockage.
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A prolonged erection unrelated to desire; the ischemic form threatens penile tissue.
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Infection above a blockage, often a stone, can rapidly become life-threatening.
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A severe response to urinary infection causing organ dysfunction.
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A necrotising genital or perineal infection that can progress within hours.
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A retracted foreskin becomes trapped behind the glans, forming a tight ring.
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Blood clots can prevent the bladder from emptying.
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Injury after accidents, falls, blows or penetrating wounds to the pelvis and urinary tract.
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HIV affects immune defences.
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Suspected infection in pregnancy needs prompt medical assessment.
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Non-cancerous prostate growth that may obstruct urine flow. Prostate size does not always match symptom severity.
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Scar-related narrowing of the tube carrying urine out of the bladder.
Read the guideUrgency that is difficult to postpone, with or without leakage, after considering other causes.
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Red blood cells visible or found by testing; causes include infection, kidney disease and tumours.
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Persistent bladder-region pain with urinary symptoms after other causes are excluded.
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Waking from sleep to pass urine due to bladder, urine-production or sleep factors.
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Dilation of the kidney collecting system, often obstructive but not always.
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A record helps explain urinary patterns.
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Leakage after prostate surgery deserves assessment and support. Recovery and its effect on daily life vary between patients.
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Urine leakage caused by increased abdominal pressure, without a preceding urgent need to void.
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Descent of one or more pelvic organs towards the vagina. A cystocele involves bladder support.
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A malignant prostate tumour whose behaviour depends on its aggressiveness and extent.
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A tumour of the bladder lining, commonly urothelial. Muscle involvement changes management.
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A renal mass may be benign or malignant. Appearance, size and clinical context guide assessment.
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A testicular lesion needs prompt assessment to distinguish a tumour from cysts or other causes.
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A rare penile tumour, often arising on the glans or foreskin.
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Tumours of the renal pelvis or ureter lining, distinct from kidney tissue cancer.
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For selected less aggressive localised cancers, organised monitoring can defer treatment while retaining the option to intervene if disease changes.
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Crystalline deposits, often formed in a kidney, that may move into the ureter.
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Pain caused by acute upper urinary obstruction, often from a ureteric stone.
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Stones in the bladder, often promoted by poor emptying or a foreign body.
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Usually a bacterial infection of the bladder, although burning can have non-infectious causes.
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An infection of the kidney, often spreading upwards from the lower urinary tract.
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Pain or inflammation involving the prostate region. Some forms are bacterial; chronic pelvic pain is not necessarily an infection.
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Infections transmitted through sexual contact, sometimes without symptoms.
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Inflammation of the epididymis, sometimes the testis, often due to infection.
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Inflammation of the glans, sometimes the foreskin; infection is not the only cause.
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Urethral inflammation, often related to a sexually transmitted infection.
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A frequently silent bacterial STI that may affect reproductive organs and fertility.
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A bacterial STI affecting genitals, rectum, throat or eyes.
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A viral infection with possible recurrent outbreaks; transmission can occur without visible lesions.
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Warts caused by selected papillomaviruses; usual wart types differ from the main cancer-associated types.
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A bacterial STI with multiple stages, sometimes silent for years.
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Repeated bladder infections, commonly defined as two in six months or three in a year.
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Catheters promote bacteria in urine, which does not always mean an infection needing treatment.
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HIV affects immune defences.
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Sexually transmitted infections can go unnoticed.
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Suspected infection in pregnancy needs prompt medical assessment.
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Difficulty conceiving with a possible male contribution. Azoospermia means no sperm are found in the analysed ejaculate.
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Enlargement of veins around a testicle, more commonly on the left.
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Confirmed hormonal deficiency with compatible symptoms; fatigue alone is insufficient.
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Absence of sperm in the ejaculate, requiring laboratory confirmation.
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Changes in sperm concentration, movement or shape.
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Semen passes into the bladder instead of outwards, sometimes after surgery or nerve injury.
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Some cancer treatments can affect sperm production or ejaculation. Discuss fertility before treatment, even when parenthood is a distant possibility.
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A hydrocele is fluid around a testicle; an epididymal cyst arises in the epididymis.
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A foreskin that is difficult or impossible to retract. Non-retractability may be normal in young children.
Read the guideAbdominal tissue protrudes through a weak area in the groin, sometimes extending into the scrotum.
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Twisting of the spermatic cord can interrupt blood supply to a testicle. This is a surgical emergency.
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A traumatic tear in the covering of an erectile body, usually during an erection.
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An inflammatory skin disease affecting vulva or penis; it is not an STI.
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Repeated difficulty obtaining or keeping an erection adequate for satisfactory sexual activity.
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These include distressing early ejaculation with poor control, marked delay or absent ejaculation.
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Persistent low desire warrants support when it causes distress. Desire naturally varies and is not always a disorder.
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Acquired scarring of the covering of the erectile bodies can change the shape of an erect penis.
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Pain with sexual activity or involuntary tightening that makes penetration difficult. Physical and emotional factors may coexist.
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Ejaculation experienced as too early, with limited control and personal or relationship distress.
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Persistent difficulty ejaculating despite subjectively adequate stimulation.
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Involuntary pelvic-floor tightening makes penetration difficult or painful.
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Persistent vulval pain without a clear identifiable cause after assessment, often lasting at least three months.
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Hormonal decline can change vulvovaginal and urinary tissues; dryness also has other causes.
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Cancer and its treatment can affect desire, erection, ejaculation and body image.
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Persistent pelvic pain, often multifactorial without proven bacterial infection.
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Semen may look red or brown.
Read the guideDisrupted urine storage or emptying caused by a nervous-system condition.
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Failure to empty the bladder properly. Acute retention is sudden and often painful.
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Kidney damage or reduced filtration lasting at least three months; progression may be painless.
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Diabetes can progressively damage small blood vessels and kidney filters.
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High blood pressure can damage kidneys, while kidney disease can raise blood pressure.
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Inflammation of microscopic kidney filters, sometimes related to infection or immune disease.
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Immunoglobulin A deposits in kidney filters can cause inflammation.
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Heavy urinary protein loss causes low blood albumin.
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Inflammatory kidney involvement in lupus, an autoimmune disease.
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A genetic disorder with multiple kidney cysts, distinct from an isolated simple cyst.
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A cyst is a fluid-filled pocket. Simple cysts are usually benign; complex lesions need characterisation.
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One kidney can provide adequate function after congenital absence, donation or surgery.
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Excess urine protein, particularly albumin, is a marker rather than a diagnosis by itself.
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Kidney disease can reduce erythropoietin, the hormone supporting red-cell production; other causes may coexist.
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Kidney disease can disturb phosphate, calcium, vitamin D and parathyroid hormone regulation.
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Narrowing of an artery supplying a kidney, commonly from atherosclerosis or fibromuscular dysplasia.
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When kidney function becomes insufficient, replacement therapy or individual conservative care may be discussed.
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Dilation of small collecting ducts in the kidney medulla may promote stones and infection.
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Abnormal protein deposits in the kidneys, sometimes affecting several organs.
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Kidney tubules fail to maintain acid-base balance, sometimes with potassium abnormalities.
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Bladder or kidney infection with age-dependent signs.
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Urine flows backwards from the bladder into one or both ureters, sometimes reaching the kidneys.
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Urine leakage during sleep beyond the expected age of night-time continence, usually from five years.
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One or both testes are outside the scrotum; a retractile testicle is different.
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The urinary opening is on the underside of the penis rather than at its tip.
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Impaired drainage between the kidney pelvis and ureter, sometimes detected before birth.
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Congenital obstructing urethral folds in boys that may affect bladder and kidneys.
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Bladder and bowel problems may coexist, with habitual holding or poor coordination.
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Testing for cells and bacteria, with culture and susceptibility testing when relevant.
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PSA is a prostate protein measured in blood; a raised value does not equal cancer.
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Semen testing assesses volume, sperm concentration, movement and shape.
Read the guideAn ultrasound examination without X-rays, sometimes including urine remaining after voiding.
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Inspection of the urethra and bladder using a thin optical instrument.
Read the guideUroflowmetry records the urine stream; urodynamics assesses bladder pressure and function for selected questions.
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Prevention depends on stone composition and urinary or metabolic risk factors.
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MRI assesses suspicious areas; indicated biopsies collect tissue for laboratory analysis.
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A few notes help the conversation.
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A lump, enlargement or change in texture deserves examination. An abnormality does not automatically mean cancer.
Read the guideThis general information does not replace a consultation. Tests and treatments are selected for each individual; they are not a routine checklist.