Concise answers when you need the essentials, with deeper clinical context and transparent source links when the decision needs more scrutiny.
Search by active ingredient or familiar medicine name.
Amivantamab is a bispecific monoclonal antibody that targets EGFR and MET proteins on cancer cells. It is used in adults with advanced non-small cell lung cancer carrying specified EGFR mutations, either alone or with other anticancer treatments.
This combination contains a calcium-channel blocker, an angiotensin-II receptor blocker and a thiazide diuretic. It is licensed for adults with essential hypertension when two components do not provide adequate control, or to replace the same three components taken separately.
Combines a calcium-channel blocker with an angiotensin II receptor blocker. Licensed for adults with essential hypertension not adequately controlled by either component alone.
This prescription tablet combines amlodipine, a calcium-channel blocker, with perindopril, an ACE inhibitor. It is licensed as substitution therapy for essential hypertension and/or stable coronary artery disease when separate medicines already control the condition at corresponding strengths. It is not intended for starting or adjusting treatment.
Amlodipine + valsartan combines a calcium-channel blocker with an angiotensin II receptor blocker. It is licensed for adults with essential hypertension whose blood pressure is not adequately controlled by either ingredient alone.
An inhaled preparation of ammonia liquor and eucalyptus oil supplied as soaked white granules. It is traditionally used to relieve catarrh and head-cold symptoms, including thick phlegm affecting the head and throat.
A topical combination of salicylates, menthol and camphor for symptomatic relief of muscular and rheumatic aches and pains through local analgesic and counter-irritant effects.
Amorolfine hydrochloride is a topical antifungal supplied as a medicated nail lacquer. It is used for fungal nail infections caused by susceptible dermatophytes, yeasts and moulds.
Amphotericin B is a polyene antifungal used mainly for severe, deep or widespread fungal infections. Selected products are given by intravenous infusion under close clinical supervision; liposomal amphotericin B is also licensed for visceral leishmaniasis and presumed fungal infection in some patients with neutropenic fever.
Ampicillin sodium is an injectable broad-spectrum penicillin antibiotic for infections caused by susceptible bacteria, generally when oral treatment is inappropriate.
Amsacrine is a cytotoxic chemotherapy treatment for acute leukaemia in adults. It may be used to induce or maintain remission, including where anthracycline treatment has not worked or further exposure is unsuitable.
Anagrelide is a platelet-lowering treatment for essential thrombocythaemia, where the bone marrow makes too many platelets. It is licensed for at-risk patients when current treatment is not tolerated or has not lowered platelet counts adequately.
Anagrelide is an oral treatment that reduces platelet production in the bone marrow. The selected product is licensed for at-risk people with essential thrombocythaemia whose current treatment is not tolerated or has not reduced platelet counts adequately.
Anakinra is a biologic immunosuppressant that blocks interleukin-1, a protein involved in inflammation. It is specialist treatment for certain inflammatory and autoinflammatory conditions, including rheumatoid arthritis, periodic fever syndromes and Still’s disease.
Anastrozole is a non-steroidal aromatase inhibitor that lowers oestrogen levels. It is mainly used after the menopause to treat hormone receptor-positive breast cancer and, in selected people, to reduce the risk of developing breast cancer.
Andexanet alfa is a hospital-only antidote that counteracts certain factor Xa inhibitor anticoagulants. It is used for adults taking apixaban or rivaroxaban when life-threatening or uncontrolled bleeding requires urgent reversal.
Angiotensin II is a vasopressor that mimics a naturally produced hormone. In hospital, it may raise blood pressure in adults with septic or other distributive shock when fluids and other vasopressors have not worked adequately.
Anidulafungin is an echinocandin antifungal used to treat invasive candidiasis, a serious Candida infection affecting the blood or internal organs. It is given by intravenous infusion under specialist supervision.
This combination eye drop contains an antihistamine and a vasoconstrictor. It temporarily relieves redness and itching caused by seasonal or year-round eye allergies, such as hay fever or house-dust allergy.
This is a recombinant porcine-sequence factor VIII that helps blood form a stable clot. It is used in hospital to treat bleeding episodes in adults with acquired haemophilia caused by antibodies against human factor VIII.
Apalutamide is an oral androgen-receptor inhibitor used as endocrine treatment for prostate cancer. In the UK, it is licensed for selected adult men with high-risk non-metastatic castration-resistant disease or metastatic hormone-sensitive disease.
Apixaban is a prescription anticoagulant that reduces harmful blood clots. It is used for atrial fibrillation, deep-vein thrombosis, pulmonary embolism and clot prevention after some joint-replacement operations.
Apomorphine hydrochloride is a dopamine agonist used when Parkinson’s movement symptoms fluctuate despite oral treatment. Depending on the product, it is given under the skin by injection or continuous infusion, or as a film placed under the tongue.
Apomorphine is a dopamine agonist given under the skin for Parkinson’s disease when oral treatment does not adequately control “off” periods or other motor fluctuations. Selected products provide intermittent injections or continuous pump infusion.
Apraclonidine hydrochloride is an alpha-2 adrenergic eye drop that lowers pressure inside the eye. The selected UK product is licensed as an add-on for chronic glaucoma when existing treatment is insufficient and laser treatment or surgery needs to be delayed.
Apremilast is an oral phosphodiesterase-4 inhibitor that modifies inflammatory signalling inside cells. It is usually prescribed by specialists for certain forms of psoriasis, psoriatic arthritis and Behçet’s-related mouth ulcers.
Aprepitant is an anti-sickness treatment called a neurokinin-1 receptor antagonist. It is usually combined with other treatments to prevent nausea and vomiting caused by cancer chemotherapy.
This is a fibrin sealant applied during surgery to help form a stable clot and bond or seal tissues. It supports standard surgical techniques when these alone do not provide adequate bleeding control, sealing or tissue adhesion.
This is a two-component fibrin sealant applied during surgery. When its components mix, they form a fibrin clot that helps adhere or seal tissue and can support control of bleeding on subcutaneous surfaces.
Arachis oil is peanut oil formulated as a rectal enema. It acts locally to soften hard, impacted faeces and help their passage.
Argatroban monohydrate is an intravenous anticoagulant that directly blocks thrombin, an important clotting enzyme. The selected product is licensed for adults with heparin-induced thrombocytopenia type II who need a non-heparin injectable anticoagulant.
Arginine hydrochloride and lysine hydrochloride are amino acids given by intravenous infusion. They are used with lutetium-177 oxodotreotide treatment to reduce radiation exposure to the kidneys.
Argipressin is a manufactured form of arginine vasopressin. It helps the kidneys retain water and can narrow blood vessels. The selected product is used for non-nephrogenic diabetes insipidus and to control bleeding from enlarged veins in the oesophagus.
Argipressin acetate provides argipressin, also called vasopressin, which acts like a naturally occurring hormone. It reduces water loss through the kidneys and constricts blood vessels. The selected UK injection is licensed for non-nephrogenic diabetes insipidus and control of bleeding from oesophageal varices.
Aripiprazole is an antipsychotic that changes dopamine and serotonin signalling. It is mainly used for schizophrenia and manic episodes in bipolar I disorder; prolonged-release injection can maintain treatment in adults stabilised with oral aripiprazole.
Arsenic trioxide is an anticancer treatment for acute promyelocytic leukaemia (APL), a form of acute myeloid leukaemia. It is used with all-trans-retinoic acid for some newly diagnosed adults and for certain adults whose APL has returned or not responded to treatment.
Artemether + lumefantrine treats acute, uncomplicated Plasmodium falciparum malaria. It is not licensed to prevent malaria or treat severe malaria.
Asciminib hydrochloride provides asciminib, an oral protein kinase inhibitor. It is licensed for adults with Philadelphia chromosome-positive chronic myeloid leukaemia in chronic phase who have received at least two previous tyrosine kinase inhibitors and do not have a known T315I mutation.
Ascorbic acid is vitamin C, a water-soluble vitamin needed for collagen formation and normal tissue repair. Licensed products replace vitamin C in deficiency and prevent or treat scurvy. Injections are reserved for acute deficiency or when oral replacement is unsuitable.
A multivitamin, mineral and trace-element supplement used when nutrient intake or absorption is inadequate, including during illness, recovery or restricted diets. It does not replace adequate protein and energy intake.
A sterile combination of 12 water-soluble and fat-soluble vitamins given into a vein when oral nutrition is impossible, contraindicated or insufficient, often as part of parenteral nutrition.
An intravenous preparation containing water-soluble and fat-soluble vitamins. It replaces vitamins when oral or enteral nutrition is impossible, inadequate or contraindicated.
A prescription intravenous combination of vitamins B1, B2, B6, nicotinamide and vitamin C, with glucose. It is used when severe depletion or malabsorption requires rapid replacement, particularly where thiamine deficiency could cause Wernicke’s encephalopathy.
An osmotic laxative used to empty the bowel before a procedure requiring a clean colon. It causes substantial watery diarrhoea and contains electrolytes intended to limit major salt and water shifts.
This combination contains a pain and fever reducer, nasal decongestant and vitamin C. It provides short-term symptom relief but does not treat the underlying infection.
Asenapine maleate is an atypical antipsychotic tablet that dissolves under the tongue. The selected UK licence covers moderate to severe manic episodes associated with bipolar I disorder in adults.
Asfotase alfa is a recombinant form of tissue-nonspecific alkaline phosphatase. Under specialist care, it treats bone manifestations of hypophosphatasia that began in childhood, including in adults.
Asparaginase is an anticancer enzyme used with other treatments for acute lymphoblastic leukaemia (ALL). It lowers circulating asparagine, which leukaemia cells rely on to make proteins and survive.
Aspirin is an NSAID with pain-relieving, fever-reducing, anti-inflammatory and antiplatelet effects. Uses depend on the formulation.
Aspirin + caffeine combines an NSAID painkiller and fever reducer with a stimulant. Selected UK products relieve mild to moderate pain and feverish cold or influenza symptoms.
This combination contains aspirin and paracetamol for pain relief, plus caffeine to support their effect. It is licensed for several mild-to-moderate painful and feverish conditions.
Ataluren is a specialist prescription treatment for ambulatory people aged 2 years and older with Duchenne muscular dystrophy caused by a confirmed nonsense mutation in the dystrophin gene.
Atazanavir sulfate is an antiretroviral protease inhibitor used with other treatments to control HIV-1 infection. The selected capsule’s licence specifies ritonavir boosting.
Atenolol is a beta blocker that mainly acts on the heart. Selected UK products are licensed for high blood pressure, angina, certain abnormal heart rhythms and early treatment of a heart attack.
A prescription combination of a beta blocker and a thiazide-like diuretic, licensed to manage high blood pressure.
Atezolizumab is a monoclonal-antibody immunotherapy that blocks PD-L1, helping immune cells recognise and attack cancer. It is licensed for selected bladder, lung, breast and liver cancers in adults, alone or with other anticancer treatments.
Atidarsagene autotemcel is a gene therapy made from a child’s own blood-forming stem cells, modified to produce functional arylsulfatase A (ARSA). It is used for selected children with genetically confirmed metachromatic leukodystrophy before rapid disease progression.
Atogepant is an oral calcitonin gene-related peptide (CGRP) receptor antagonist. In adults, it is licensed to treat migraine attacks with or without aura and to prevent migraine when there are at least four migraine days per month.
Atomoxetine is a non-stimulant treatment for attention-deficit/hyperactivity disorder (ADHD). It increases noradrenaline signalling and is used alongside psychological, educational and social support where appropriate.
This fixed-combination tablet contains atorvastatin, a statin, and ezetimibe, a cholesterol-absorption inhibitor. It lowers cholesterol through complementary mechanisms and is used in adults already controlled on the separate ingredients.