Headaches are very common, but they can present many different symptoms. They can be either acute or chronic. Acute headaches are those that come on suddenly. Chronic headaches are those that occur on a regular basis. Acute headaches may be caused by different things like stress, injury, a cold or the flu. They can also …
Head lice are tiny wingless insects that live in hair. They can cause a lot of discomfort, especially for children. The main symptom of head lice is itching, which can be annoying and uncomfortable. However, the itching is not usually a cause for concern. Head lice are easy to treat when caught early. They can …
Head and neck cancers are cancers that occur in the head and neck area of the body. Head and neck cancers are more likely to occur in men than women and are most common in people over the age of 50. Head and neck cancers are more common in some parts of the United States …
Hayfever is a common name for allergies, which is when your immune system reacts to a substance such as pollen. Hayfever is a form of allergic rhinitis, which is a group of symptoms that affect the nose. Hayfever causes sneezing, coughing, itchy and watery eyes, and nose-related symptoms. Hayfever usually affects children. It’s not contagious, …
Hand, foot and mouth disease (HFMD), also known as a viral infection, is a common childhood disease that causes painful sores in the mouth, throat and the inside of the mouth. Viral illness is a common cause of illness and death in children under the age of five years. Around 1.7 Billion children under the …
Hairy cell leukaemia (HCL) is a rare blood cell disorder that makes your blood cells look very hairy. These cells are called hairy cells. They’re very different from the other white blood cells in your body. The hairy cells don’t make normal amounts of antibodies, or antibodies that help your immune system fight infections. This …
Haemorrhoids are swollen veins in the anus or lower rectum. They commonly occur when blood pools in these tissues, causing them to swell. These swollen veins can lead to pain, itchiness, and bleeding when the area is irritated or injured. Causes of Haemorrhoids Haemorrhoids can be caused by: Straining during a bowel movement Straining during …
Gum disease, also known as periodontal disease, is a bacterial infection that affects the gums and tissues that surround the teeth. Periodontal disease is caused by four types of bacteria: Porphyromonas gingivalis Prevotella intermedia Tannerella forsythia Treponema denticola Porphyromonas gingivalis is the most common cause of gum disease. It’s often found in the mouths of …
Gout is an inflammatory disease that causes sudden inflammation and pain in the joints (called tophi). Athletes often have gout in the big toe, knees, wrists, and hands. But anyone can get gout. It’s most common in the elderly, overweight, and those who are malnourished and have high blood pressure. Although gout is common, it’s …
Gonorrhoea is a bacterial infection. It’s also known as the sexually transmitted infection or STI. It’s caused by the G-6 strain of Neisseria gonorrhoeae bacteria. These bacteria are transmitted through body fluids. You can’t get gonorrhoea from kissing or sharing food or drink. Gonorrhoea can spread from one person to another through sexual contact. It’s …
