Natural Nutrition Clinic
Health A–Z
Search diseases, disorders, syndromes and conditions. Preview a short introduction, then open the complete guide for symptoms, causes, risk factors, diagnosis, tests and care information.
676 conditions
A · Quick overview
ADHD in adults
Attention deficit hyperactivity disorder (ADHD) can continue into adulthood. It may affect concentration, organisation, time management, impulsivity and restlessness, but the way it affects daily life differs between people.
Read full medical guide →A · Quick overview
ADHD in children and young people
ADHD in children and young people: ADHD (attention deficit hyperactivity disorder) is a condition where the brain works differently to most people. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Abdominal aortic aneurysm
Abdominal aortic aneurysm: An abdominal aortic aneurysm (AAA) is a swelling in the aorta, the artery that carries blood from the heart to the tummy (abdomen). This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acanthosis nigricans
Acanthosis nigricans: It refers to dry, dark patches of skin that usually appear in the armpits, neck or groin. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Achalasia
Achalasia: It is a rare disorder of the food pipe (oesophagus), which can make it difficult to swallow food and drink. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acid and chemical burns
Acid and chemical burns: Get medical advice as soon as possible if you think you have an acid or chemical burn. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acne
Acne develops when hair follicles become blocked with oil and skin cells. It can cause blackheads, whiteheads and inflamed spots on the face, chest or back, and may leave scars if severe.
Read full medical guide →A · Quick overview
Acoustic neuroma (vestibular schwannoma)
Acoustic neuroma (vestibular schwannoma): An acoustic neuroma is a type of non-cancerous (benign) brain tumour. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acromegaly
Acromegaly: It is a rare condition where the body makes too much of a hormone that can make parts of your body grow bigger. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Actinic keratoses (solar keratoses)
Actinic keratoses (solar keratoses): Actinic keratoses (also called solar keratoses) are dry, scaly patches of skin that have been damaged by the sun. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Actinomycosis
Actinomycosis: It is a rare type of bacterial infection. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute cholecystitis
Acute cholecystitis: It is inflammation of the gallbladder. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute kidney injury (AKI)
Acute kidney injury (AKI): It is when something suddenly causes your kidneys to stop working as well as they should. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute lymphoblastic leukaemia
Acute lymphoblastic leukaemia: Acute lymphoblastic leukaemia (ALL) is a rare type of cancer that affects the blood and bone marrow. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute myeloid leukaemia
Acute myeloid leukaemia: Acute myeloid leukaemia (AML) is a rare type of cancer that affects the blood and bone marrow. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute pancreatitis
Acute pancreatitis: It is a serious condition where your pancreas suddenly becomes swollen and painful (inflamed). This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Acute respiratory distress syndrome (ARDS)
Acute respiratory distress syndrome (ARDS): It is a life-threatening illness that can happen when your lungs are not working properly. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Addison's disease
Addison's disease: Addison's disease (primary adrenal insufficiency) is a rare condition where small glands above your kidneys (adrenal glands) do not work properly. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Adenomyosis
Adenomyosis: It is a condition where the lining of the womb (uterus) starts growing into the muscle in the wall of the womb. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →A · Quick overview
Age-related macular degeneration (AMD)
Age-related macular degeneration (AMD): Page last reviewed: 22 January 2025 Next review due: 22 January 2028. This clinic guide summarises recognised symptoms, assessment and care considerations.
Read full medical guide →