parasite

Tapeworm

Key facts Tapeworms (taeniasis) are a type of parasite that live in the intestines of animals.   Humans can become infected by eating or drinking tapeworm eggs or larvae (immature tapeworms) in contaminated meat or water. People with tapeworm infection often have no symptoms, but if you do have symptoms, they will depend on the type of tapeworm you have and where it is in your body. Tapeworm infection can be diagnosed with a stool (poo) sample and/or a blood test. Tapeworm infection is usually treated with medicine. What is worm infection in humans? Many types of worm can cause

Primary amoebic meningoencephalitis

What is primary amoebic meningoencephalitis? Primary amoebic meningoencephalitis (PAM), also called amoebic meningitis, is a serious illness. It causes inflammation of the brain. An amoeba (Naegleria fowleri) causes PAM. The amoebas live in warm, fresh water and soil. Infection often happens during water-based recreational activities. Although many people have contact with the amoebas, only a small number of people develop PAM. What are the symptoms of primary amoebic meningoencephalitis? The symptoms of PAM are the same symptoms as those for meningitis. The first symptoms are: headache high fever nausea (feeling sick) vomiting These symptoms start about 5 days after infection. Later symptoms are: neck

Head lice

beginning of content   What are head lice? Head lice are tiny wingless insects about the size of a sesame seed that live in the hair of humans and animals where they feed on blood by biting the skin. Head lice commonly affect children but adults can also have lice. What are the symptoms of head lice? Lice often cause itching of the skin. Bites can cause the skin to become red and irritated, which can be made worse by scratching. You can see the lice and nits (eggs) if you look closely at your head and scalp. Nits look

Cryptosporidiosis

Key facts Cryptosporidiosis is a bowel infection caused by a parasite. You can catch it from infected people or animals, or from contaminated food or water, including swimming pools. It usually gets better by itself, but it can cause dehydration. It can be dangerous for people with a weak immune system. Hand washing and good hygiene can prevent it from spreading. What is cryptosporidiosis? Cryptosporidiosis (sometimes called ‘crypto’) is a bowel infection. It is caused by a parasite called cryptosporidium. This parasite can infect humans and animals. It lives in their faeces (poo) from when they first get sick until a