Click any word in a definition or example to find the entry for that word
a medical condition in which a woman who is not pregnant does not menstruate (=produce a flow of blood once a month)
a medical condition in which your blood contains too few red blood cells (=the cells that carry oxygen through the body)
a serious medical reaction caused by someone eating or touching something that they are allergic to (=something that makes them ill). Common causes are nuts, eggs, and drugs such as penicillin.
a serious swelling in the wall of an artery (=tube carrying blood around the body)
a serious medical condition in which the sides of the arteries become thick, hard, and stiff, so that your heart has to work harder to force blood through your body
a medical condition affecting your joints (=the place where two bones meet) making them very swollen and painful
a problem in the development of a child's brain that can cause difficulty in communicating with and understanding other people. It is at the less severe end of a range of problems called Autism Spectrum Disorder.
a problem in the development of a child's brain that can cause serious difficulty in communicating and forming relationships with other people. It is at the more severe end of a range of problems called Autism Spectrum Disorder.
a serious and painful condition that divers get if they come up from under the water too quickly
a medical condition in which your nose and throat become blocked with a thick liquid called mucus, usually when you have a cold
a medical condition in which the body cannot digest food (=use and get rid of it properly) that contains gluten (=wheat protein)
a painful medical condition that affects your colon (=the tube that takes waste food out of your body)
medical a medical condition in which you have very small insects in your pubic hair
a serious medical condition that affects divers who come up to the surface of water too quickly
a serious medical condition in which a clot (=mass of thick blood) forms in a vein or artery
a serious medical condition caused by drinking too much alcohol. Delirium tremens is often called the DTs.
a serious medical condition in which your body does not produce enough insulin to reduce the amount of sugar in the blood
a medical condition that someone is born with, that makes them develop in a different way from most people, mentally and physically. Down’s syndrome is often simply called Down’s.
a medical condition in which a pregnant woman with high blood pressure has convulsions (=violent uncontrolled movements)
a medical condition that makes your skin dry, sore, and itchy
a small hard mass that can form in your gall bladder
a medical condition that makes your gums painful
a medical condition in which a thick substance inside your ear makes it difficult for you to hear. It mainly affects young children.
a serious form of epilepsy
painful swollen areas around your anus (=the hole where solid waste comes out of your body). An informal name for haemorrhoids is piles.
a medical condition in which your breath has a very unpleasant smell. A more usual word is bad breath.
a medical condition caused by pollen (=powder produced by flowers) that affects your nose and eyes as if you had a bad cold
a medical condition in which an organ pushes itself through the wall of muscles around it
a medical condition in which you get red itchy spots on your skin, often because you have eaten a particular food. The medical name for this is urticaria.
a condition in which your blood pressure is extremely high
a medical condition in which someone has a low level of potassium in their blood
a medical condition in which a man is not able to have sex because his penis does not stay hard
a very bad headache that often makes you unable to bear strong light
a type of epilepsy that is less serious than grand mal
infection of your blood or body tissues, especially when this is serious and could kill you
a painful medical condition affecting your back, in which one of the parts that connect the bones in your spine has moved out of its usual place
a serious medical condition in which someone’s spinal cord is damaged, making them paralysed (=unable to move parts of their body)
a medical condition in which blood is suddenly blocked and cannot reach the brain, or in which a blood vessel in the brain breaks, often causing a loss of the ability to speak or to move particular muscles
a disease similar to flu that spreads quickly from one person to another and causes problems such as a sore throat and cough, thought to be related to a virus which infects pigs
a condition in which two or more of the five senses that most people experience separately are mixed so that, for example, a person may see colour when they hear a particular sound or read a particular word
a serious medical condition in which your blood gets thicker and forms a clot that stops the blood flowing normally
a sore area on the inside of an organ in your body or on your skin that sometimes bleeds or produces a poisonous substance
a medical condition in which the veins in your legs become swollen and sore