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Bumps, knocks and bruises

Bumps, knocks and bruises What are bumps, knocks and bruises? Bumps, knocks and bruises are common injuries that everyone will experience from time to time. Though they can sometimes be very painful, bumps, knocks and bruises are usually easy to treat. What symptoms are related to bumps, knocks and bruises? These kinds of injuries commonly affect joints such as your elbow or knee, and bumps and knocks to these areas can result in swelling and bruising. What causes bumps, knocks and bruises? A bruise often appears after you have been knocked, bumped or pinched, for example when you have fallen

Knee replacement

What is a knee replacement? A knee replacement is when doctors remove your damaged knee joint and put in a new knee joint. The new joint is artificial, or man-made. A knee replacement is an operation that is done in hospital. A knee replacement is also called a knee arthroplasty. A knee replacement can help: reduce knee pain you to be more active improve your flexibility you to move more freely They can help when medicines and other treatments have not been helpful in managing pain. Knee replacements may be total (the whole joint is replaced) or partial (part of your joint is replaced).

Knee pain

What causes knee pain? Knee pain is a common problem that can occur suddenly or over a period of time. Knee pain may be due to a number of causes, and generally treatment is readily available. Injury-related causes include: damage to parts of the knee, including bone, cartilage, ligaments, tendons or muscles bursitis, which is inflammation of the fluid-filled sacs that cushion the knee (known as bursae) Arthritis-related causes include: osteoarthritis rheumatoid arthritis gout septic arthritis (infected knee) Other causes include: patellofemoral pain syndrome: pain around the kneecap (patella) where it runs over the end of the thigh bone (femur),

Knee injuries

Knees provide stable support for the body and allow the legs to bend and straighten. The knee is the largest joint in the body and is easily injured. The knee has 4 main types of tissues: bones, ligaments, cartilage and tendons. Any of these important types of tissue can be damaged through injury. Common knee injuries include: sprain (an over-stretching of ligaments in the knee) torn ligament, such as a torn anterior cruciate ligament (ACL) or posterior cruciate ligament (PCL) strains (over-stretching of muscles and tendons) damage to the cartilage that lines the knee torn meniscus (the cartilage between the shinbone and thighbone) irritation to

Klinefelter syndrome

Key facts Klinefelter syndrome is a congenital (from birth) condition, where males are born with one or more extra X chromosomes. Young children with Klinefelter syndrome can have motor and language delay, as well as learning and behavioural problems. Adolescents and adults with Klinefelter syndrome may notice that they have a small penis and testicles, less facial and body hair and larger breasts than expected. Many people with Klinefelter syndrome don’t know they have it and have never received treatment. Testosterone therapy, usually started at puberty, can help with many of these features of Klinefelter syndrome. What is Klinefelter syndrome?

Kissing disease

Glandular fever What is glandular fever? Glandular fever is a viral infection usually caused by the Epstein-Barr virus (EBV). It is also called infectious mononucleosis or ‘mono’. It is sometimes known as the ‘kissing disease’ because it is spread through saliva. Glandular fever can affect people of all ages but is more common in young adults and teenagers. What are the symptoms of glandular fever? Symptoms of glandular fever include: sore throat fever swollen glands, usually in the neck fatigue (tiredness) nausea Other signs and symptoms can include: rash abdominal (tummy) pain swelling of your spleen (a large organ in the

Kindness

Acts of kindness and compassion Benefits of kindness and compassion Research is showing that people who are kind and compassionate are more content with their lives. They have better physical and mental health and feel less isolated, fostering stronger relationships. Small acts of kindness, such as a smile, or ‘hello’ can have enormous power. The person being kind and the recipient can both benefit. You can be kind, generous and compassionate to someone you know, or to a stranger. Studies have shown benefits from kindness, compassion and giving. The benefits can be: greater sense of contentment or wellbeing good mental health less stress better

Kilojoules

What are kilojoules? Kilojoules (kJ) are a way to measure energy. The energy you get from food and drink and the energy your body uses can both be measured in kilojoules. In Australia, energy is measured in kilojoules. Energy can also be measured in kilocalories, or you might be more familiar with the term ‘calories’. One kilocalorie is the same amount of energy as 4.2 kilojoules. You can convert calories to kilojoules using the online calculator. How do kilojoules affect my body? Your body needs energy in order to function and move. If you take in more kilojoules from food and

Kids and mental health

Are you concerned about the mental health of your child or a child you know? Or are you a kid looking for help? Find out what some common mental health issues in kids are, why good mental health is important for children and what can be done to help. Why is kids’ mental health important? Having good mental health is key to the healthy development and wellbeing of every child. Kids need good mental health – not only to be able to deal with challenges and adapt to change, but so they can feel good about themselves, build healthy relationships with others and enjoy

Kidneys

What are kidneys? The kidneys are organs that sit at the back of your abdomen (tummy). They are found below your ribs on either side of your spine. The kidneys are shaped like a bean and are about the size of your fist. Each kidney weighs about 150 grams. Most people are born with 2 kidneys. The right kidney is often a little lower than the left. What do kidneys do? Kidneys are very important to your overall health. Your kidneys have 3 main roles. 1. Filtering blood Your kidneys filter your blood, removing waste products that are then removed

Kidney transplants

What is a kidney transplant? A kidney transplant is a surgical operation to place a healthy kidney from another person into someone whose kidneys are no longer working properly. If you have severe (‘end-stage’) kidney failure, your body can’t get rid of extra fluid and waste products. This can cause you to become very sick and is life threatening. Once your kidneys have stopped working, your treatment options include dialysis or a kidney transplant. A transplant may offer you a longer life and a better quality of life than dialysis. Read more about organ transplants. Am I a good candidate for a kidney transplant? Your healthcare

Kidney stones

What are kidney stones? Your kidneys are part of your urinary system. Kidneys have several important functions including cleaning your blood to remove waste products into urine (wee). Urine contains many waste chemicals which can clump together into hard crystals. These hard crystals are kidney stones. They can range in size from as small as a grain of sand to as big as a golf ball. There are many types of kidney stones. They can be made from: calcium oxalate calcium phosphate uric acid cystine Less common types of kidney stones are called struvite stones or cystine stones. Kidney stones can be painful

Kidney infection (Pyelonephritis)

What is a kidney infection? A kidney infection is one type of urinary tract infection (UTI). It may begin in a different part of the urinary tract, such as the urethra (tube that carries urine from the body) or bladder, and travel to one or both kidneys. What causes a kidney infection? Kidney infections are usually caused by bacteria. The bacteria can spread to the kidneys from a bacterial infection in the bladder. You may be at a higher risk of getting a kidney infection if: you are female you have diabetes you have a blockage in your urinary tract you have a structural problem with

Kidney function tests

Key facts Kidney function tests are blood tests that provide information about how well your kidneys are working. Kidney function tests can help your doctor check your kidney function over time. You should discuss the results of your kidney function blood test with your doctor to see what they mean in your situation. What are kidney function tests? Kidney function tests are a group of blood tests that provide information on how well your kidneys are working. Most people have 2 kidneys. They’re part of your urinary system. Kidneys have several important functions: filtering and cleaning your blood to remove waste products into

Kidney failure

What is kidney failure? Kidney failure, also called renal failure, is when your kidneys no longer work properly. Your kidneys’ main job is to clean your blood and make urine (wee). When the kidneys do not work properly, waste and fluid builds up in your body. There are 2 main types of kidney failure: acute kidney failure (also called acute renal failure, or acute kidney injury) chronic kidney disease Acute kidney failure Acute kidney failure is the short-term loss of kidney function. It can develop quickly — over a few hours or days. It can be due to: an injury or illness

Kidney cancer

Key facts The most common kidney cancer is renal cell carcinoma (RCC) which occurs in the cells of the kidney that filter your blood. Kidney cancer usually doesn’t cause symptoms early on. Kidney cancer is diagnosed by urine tests, blood tests and imaging scans. Kidney cancer is usually treated with surgery, but your doctor may recommend other treatments depending on your circumstances.   What is kidney cancer? Kidney cancer is a type of cancer that grows in the cells of the kidneys. Kidney cancers usually grow as a solid tumour (lump) in one kidney, although it is possible to have

Ketogenic diet

What is the ketogenic diet? A ketogenic (or ‘keto’) diet is a low-carbohydrate, high-fat diet. While it has benefits as a medical treatment for certain groups of people, there is little evidence to support it as a long-term weight loss diet. When you are on a ketogenic diet, you eat a very small amount of carbohydrates, some protein and a high amount of fat every day. Your body breaks down fat into ‘ketone bodies’ (or ‘ketones’) as energy through a process called ketosis. Some parts of your body, such as the brain and red blood cells, need glucose to work

Ketamine

What is ketamine? Ketamine is a medicine used by doctors and vets as a pain killer and a sedative. It stops your brain from interpreting pain messages. It’s being studied as a medicine for depression. It’s also used illegally for its hallucinogenic ‘high’ effect. If bought illegally, it comes as a white powder that can be made into tablets or dissolved into a clear liquid. Ketamine can be: swallowed snorted injected inserted anally (up your bottom) smoked with cannabis or tobacco Sometimes ketamine is sold as ecstasy. It’s sometimes used to spike people’s drinks. Ketamine is also known as: special K K ket

Keratosis pilaris

What is keratosis pilaris? Keratosis pilaris is a common, mostly harmless skin condition that causes small, rough, white or reddish bumps or patches on the skin. While it can occur at any age, keratosis pilaris most commonly affects children and adolescents. The symptoms often improve and then disappear entirely early in adult life. What are the symptoms of keratosis pilaris? Keratosis pilaris usually results in small, hard, flesh-coloured or white lumps, which can have an acne-like or rough appearance. The bumps, which can pepper the skin, are commonly found on areas of dry skin on the upper arms, thighs, chest and, sometimes,

Keratoconus

What is keratoconus? Keratoconus is an eye condition affecting the cornea, which is the transparent surface of the eye. Keratoconus occurs when the cornea slowly changes shape. While the cornea is normally shaped like a dome, with keratoconus it thins and becomes shaped like a cone. This affects the way the eyes focus light and can distort vision. Keratoconus usually develops in younger people between about 16 and 30 and progresses until about the age of 40. It usually affects both eyes, though one eye may be worse than the other. If you notice any eye symptoms or changes to

Kawasaki disease

What is Kawasaki disease? Kawasaki disease is a rare illness that mostly affects children under 5 years of age. The exact cause is unknown, but it involve swelling of the blood vessels, including those that lead to the heart. When blood vessels are inflamed, it is called vasculitis. Kawasaki disease is a collection of symptoms caused by vasculitis. What are the symptoms of Kawasaki disease? If your child has Kawasaki disease, their symptoms may include: a fever that lasts for at least 5 days a rash on the trunk, limbs and around the nappy area red, bloodshot eyes without discharge red, swollen, cracked

Kava

Kava (also known as ‘kava kava’ or Piper methysticum) is a drug made from the roots of a plant in the pepper family. It has traditionally been cultivated by Pacific Islanders for use as a social and ceremonial drink – either ground or chewed up and mixed with water or coconut milk. Kava was introduced to some Aboriginal and Torres Strait Islander communities in the north of Australia in the early 1980s as a substitute for alcohol.  Kava can affect people differently. Initial effects commonly include: feeling happy sleepiness numbness around the mouth If a larger amount of kava is consumed,

Kaposi sarcoma

Key facts Kaposi sarcoma is a type of cancer that affects the lining of your blood and lymphatic vessels. It can cause reddish patches that may be visible on the skin. It is caused by the human herpes virus-8 (HHV-8), though not all people with HHV-8 will develop Kaposi sarcoma. People who have HHV-8 and a weakened immune system are more likely to develop Kaposi sarcoma. Kaposi sarcoma is diagnosed with a biopsy (a sample of tissue that is removed and checked for cancer cells). Treatment will depend on your general health, the health of your immune system, and where

Ketamine

Key facts Ketamine is used by doctors and vets as a pain killer, sedative and sometimes to treat depression. It’s also used illegally as a hallucinogen. Ketamine causes users to feel happy and relaxed, but can also cause unwanted mental and physical effects. Ketamine overdose can be fatal. Stopping ketamine can be hard and you should speak to your doctor if you are struggling with withdrawal. What is ketamine? Ketamine is a medicine used by doctors and vets as a pain killer and a sedative. It stops your brain from interpreting pain messages. It’s being studied as a medicine for depression.