Conditions We Cover
Find treatment options by the condition they treat. Each page explains the condition and lists the medicines used for it.
Calcium Deficiency
Calcium deficiency (hypocalcaemia) means blood calcium is too low to support normal muscle, nerve and bone function. It is usually corrected with dietary changes and calcium supplements.
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Candidemia
Candidemia is a Candida yeast infection of the bloodstream, most often seen in hospitalised patients. It needs prompt antifungal treatment because of its mortality risk.
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Candidiasis
Candidiasis is a fungal infection caused by Candida yeast, affecting the mouth, genitals, skin folds or nails. It is treated with azole antifungals matched to the site of infection.
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Cardiovascular Disease Prevention
Cardiovascular disease prevention means controlling the risk factors, high LDL cholesterol, high blood pressure, smoking, that lead to heart attack and stroke. Cholesterol-lowering medicines such as statins are a core part of that strategy.
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Cardiovascular Risk Reduction
Cardiovascular risk reduction means lowering the combined chance of a heart attack or stroke through cholesterol control, blood pressure management, and lifestyle change. Statins such as rosuvastatin are a cornerstone treatment.
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Cataplexy Associated with Narcolepsy
Cataplexy is a sudden, brief loss of muscle tone triggered by strong emotion in people who have narcolepsy. It is treated with medicines such as clomipramine that suppress the underlying muscle-atonia reflex.
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Cerebral Oedema
Cerebral oedema is dangerous swelling of brain tissue that raises pressure inside the skull. It is a medical emergency, usually managed with corticosteroids such as dexamethasone or osmotic agents.
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Chlamydia Trachomatis
Chlamydia trachomatis is a common bacterial sexually transmitted infection that often causes no symptoms but can lead to serious complications if untreated. It clears reliably with a short course of antibiotics such as doxycycline.
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Chronic Constipation
Chronic constipation means persistently difficult, infrequent, or incomplete bowel movements lasting three months or more. Fibre and fluid help mild cases; motility agents such as prucalopride treat more persistent constipation.
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Chronic Fibrosing Interstitial Lung Disease
Chronic fibrosing interstitial lung disease (ILD) is a group of progressive conditions that scar lung tissue, causing worsening breathlessness over time. Antifibrotic medicines such as nintedanib slow the rate of scarring.
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Chronic Heart Failure
Chronic heart failure is a long-term condition in which the heart cannot pump blood efficiently enough to meet the body's demands. It is managed with beta-blockers, ACE-pathway medicines, and newer agents such as dapagliflozin.
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Chronic Hepatitis B
Chronic hepatitis B is a long-term liver infection caused by HBV that can lead to cirrhosis or liver cancer if untreated. Antiviral medicines such as entecavir and tenofovir suppress the virus and slow liver damage.
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Chronic Hepatitis C
Chronic hepatitis C is a long-term liver infection caused by the hepatitis C virus. It is highly curable with short courses of direct-acting antiviral medicines.
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Chronic Lymphocytic Leukaemia
Chronic lymphocytic leukaemia (CLL) is a slow-growing blood cancer of the B-lymphocytes, most often diagnosed in older adults through a routine blood test.
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Chronic Myeloid Leukaemia
Chronic myeloid leukaemia (CML) is a blood cancer driven by the BCR-ABL gene fusion, treated with targeted tyrosine kinase inhibitors such as imatinib.
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Chronic Obstructive Pulmonary Disease
Chronic obstructive pulmonary disease (COPD) is a progressive lung condition causing persistent airflow limitation. It is managed with bronchodilators and inhaled steroids.
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Cluster Headache
Cluster headache causes extremely intense, one-sided head pain in cyclical bouts. It is treated with fast-acting triptans and high-flow oxygen.
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Colorectal Cancer
Colorectal cancer develops in the lining of the colon or rectum and is treated with surgery, chemotherapy, or both depending on how far it has spread.
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Community-acquired Pneumonia
Community-acquired pneumonia is a lung infection picked up outside a hospital setting. It is treated with targeted antibiotics when a bacterial cause is identified.
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Complicated Skin and Soft Tissue Infection
A complicated skin and soft tissue infection (cSSTI) extends beyond superficial skin into deeper tissue, fascia, or muscle, and needs systemic antibiotic treatment.
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Congestive Heart Failure
Congestive heart failure is a chronic condition in which the heart cannot pump blood efficiently enough to meet the body's needs, causing fluid to build up in the lungs and tissues. It is treated with medicines that ease the heart's workload, such as ACE inhibitors.
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Conjunctivitis
Conjunctivitis is inflammation of the conjunctiva, the membrane lining the eyelid and covering the white of the eye, causing redness, watering, discharge or grittiness. Treatment depends on whether the cause is bacterial, viral or allergic.
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Contraception
Hormonal contraception lets women control if and when they become pregnant, using combined oestrogen-progestogen pills or progestogen-only pills to prevent ovulation.
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Coronary Heart Disease
Coronary heart disease occurs when the arteries supplying the heart become narrowed by fatty deposits, restricting blood flow and raising the risk of heart attack. It is managed with cholesterol-lowering medicines such as statins.
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Covid-19
Covid-19 is a respiratory illness caused by SARS-CoV-2, ranging from mild cold-like symptoms to severe pneumonia. Most adults recover at home, though antivirals such as molnupiravir help those at risk of severe disease.
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Crohn's Disease
Crohn's disease is a chronic inflammatory bowel condition that can affect any part of the digestive tract, causing pain, diarrhoea, and fatigue. It is managed with aminosalicylates and, in resistant cases, methotrexate.
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Cryptococcal Meningitis
Cryptococcal meningitis is a serious fungal infection of the membranes surrounding the brain and spinal cord, caused by Cryptococcus neoformans. It is treated with staged antifungal medicines such as fluconazole.
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Cushing's Syndrome
Cushing's syndrome is a hormonal disorder caused by prolonged exposure to high cortisol levels, producing weight gain, skin changes, and metabolic problems. It is managed by treating the underlying cause and, when needed, cortisol-lowering medicines.
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Cycloplegia
Cycloplegia is the temporary paralysis of the eye's ciliary muscle, used by eye specialists to get accurate focusing measurements and examine the retina. It is induced with cycloplegic eye drops such as cyclopentolate.
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Cystitis
Cystitis is a bacterial infection of the bladder that causes burning urination and frequent urges to go, usually cleared with a short course of antibiotics.
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