Conditions

Albinism affects the production of melanin, the pigment that colours skin, hair and eyes. It's a lifelong condition, but it does not get worse over time.

Alcohol misuse is when you drink in a way that's harmful, or when you're dependent on alcohol. To keep health risks from alcohol to a low level, both men and women are advised not to regularly drink more than 14 units a week.

Alcohol poisoning can happen when you drink alcohol quicker than your body can process it. It can make you seriously ill and you may need to go to hospital for treatment.

Alcohol-related liver disease (ARLD) refers to liver damage caused by excess alcohol intake. There are several stages of severity and a range of associated symptoms.

Allergic rhinitis is where your nose gets irritated by something you're allergic to, such as pollen, causing sneezing and other symptoms. For most people it's easy to treat with medicines from a pharmacist.

An allergy is where your body reacts to something that's normally harmless like pollen, dust or animal fur. The symptoms can be mild, but for some people they can be very serious.

Altitude sickness can happen when you're at a high altitude. It usually gets better in a few days with rest, but it can sometimes be life-threatening and need treatment.

Alzheimer's disease is the most common cause of dementia in the UK.

Amyloidosis is a group of rare conditions where a protein called amyloid builds up in your body. It can affect organs such as your heart, kidneys, liver, nerves or digestive system. It cannot be cured, but there are treatments that may help with symptoms.

Anabolic steroids are prescription-only medicines that are sometimes taken without medical advice to increase muscle mass and improve athletic performance.