General Medicine Drugs

128 drugs

Quick-reference dosing for 128 general medicine medicines, aligned to current UK formularies. Each entry lists adult, paediatric and (where relevant) neonatal doses, renal and hepatic adjustments, contraindications, key interactions, monitoring and clinical pearls — with the source reference. Always confirm doses against current prescribing references before prescribing.

Aciclovir

Antiviral
Albumin solution

Plasma derivative / colloid
Alcohol (ethanol)

Antidote / sclerosant
Allopurinol

Xanthine Oxidase Inhibitor — Urate-lowering Therapy
Alpha Tocopherol

Vitamin E (Fat-Soluble Vitamin)
Alpha Tocopheryl Acetate

Vitamin E (Ester Form, Fat-Soluble Vitamin)
Amlodipine

Dihydropyridine Calcium Channel Blocker
Amoxicillin

Antibiotic (Penicillin)
Anastrozole

Aromatase inhibitor (non-steroidal)
Anthrax Vaccine

Vaccine (Bacterial — Anthrax Prevention)
Apixaban

Direct Oral Anticoagulant (DOAC) — Factor Xa Inhibitor
Ascorbic Acid (Vitamin C)

Water-Soluble Vitamin (Vitamin C)
Aspirin (Low-dose Antiplatelet)

Antiplatelet Agent (Irreversible COX-1 Inhibitor)
Atorvastatin

Lipid-Lowering Agent
Azithromycin

Macrolide Antibiotic (Azalide)
Baclofen

GABA-B Receptor Agonist (Muscle Relaxant / Antispastic)
Bee venom extracts

Allergen immunotherapy (venom)
Bempedoic Acid

ATP Citrate Lyase (ACL) Inhibitor
Bendroflumethiazide

Thiazide Diuretic
Berotralstat

Oral plasma kallikrein inhibitor
Betaine

Methyl donor (homocystinuria)
Bisoprolol

Beta-Blocker (Selective)
Borneol with camphene, cineole, menthol, menthone and pinene

Terpene mixture (gallstone dissolution / dyspepsia)
Buprenorphine

Opioid partial agonist (μ-receptor partial agonist, κ-antagonist)
C1-esterase inhibitor

Plasma-derived complement inhibitor
Calcifediol monohydrate

25-hydroxyvitamin D₃ (calcidiol)
Calcium carbonate with calcium lactate gluconate

Effervescent calcium supplement
Calcium lactate

Calcium supplement
Calcium phosphate

Calcium phosphate supplement
Carglumic acid

Carbamoyl phosphate synthetase 1 activator (urea cycle defect)
Cetirizine

Antihistamine (Non-Sedating)
Chlorhexidine

Antiseptic / disinfectant (bisbiguanide)
Chlorphenamine (Chlorpheniramine)

Sedating Antihistamine (H1 Antagonist — First-generation)
Ciprofloxacin

Fluoroquinolone Antibiotic
Clarithromycin

Macrolide Antibiotic
Co-Amoxiclav

Antibiotic (Penicillin + Beta-Lactamase Inhibitor)
Co-codamol (codeine + paracetamol)

Compound analgesic (weak opioid + paracetamol)
Co-trimoxazole (Trimethoprim + Sulfamethoxazole)

Sulphonamide + Folate Synthesis Inhibitor Combination
Codeine Phosphate

Opioid Analgesic (Weak)
Colchicine (Acute Gout)

Anti-Inflammatory (Microtubule Inhibitor)
Cyproheptadine hydrochloride

First-generation antihistamine + 5-HT₂A antagonist
Dairy products

Nutritional source (calcium, protein, vitamin D)
Dexamethasone

Corticosteroid (Systemic)
Diamorphine hydrochloride

Strong opioid (heroin)
Diclofenac

Non-Steroidal Anti-Inflammatory Drug (NSAID)
Dihydrocodeine

Weak opioid analgesic
Dihydrocodeine tartrate

Opioid analgesic (weak opioid, codeine analogue)
Dihydrocodeine with paracetamol

Opioid + paracetamol combination
Dipipanone hydrochloride with cyclizine

Strong opioid + antihistamine antiemetic
Disodium hydrogen citrate with glucose, potassium chloride and sodium chloride

Oral rehydration salts (ORS)
Domperidone

Dopamine D2 Antagonist (Prokinetic)
Doxycycline

Antibiotic (Tetracycline)
Elafibranor

PPAR-α/δ agonist
Eliglustat

Glucosylceramide synthase inhibitor (substrate reduction therapy)
Elosulfase alfa

Recombinant N-acetylgalactosamine-6-sulfatase (enzyme replacement)
Empagliflozin (Heart Failure / CKD)

SGLT2 Inhibitor
Enteral feeds

Nutritional support
Ergocalciferol

Vitamin D2
Ergocalciferol with calcium lactate and calcium phosphate

Combined calcium + vitamin D
Evolocumab

PCSK9 Inhibitor (Monoclonal Antibody)
Ezetimibe

Lipid-Lowering Agent
Febuxostat

Xanthine Oxidase Inhibitor — Urate-lowering Therapy
Fentanyl (Transdermal Patch)

Strong Opioid Analgesic — Transdermal
Ferrous Sulphate

Iron Supplement (Oral)
Flucloxacillin

Antibiotic (Penicillinase-Resistant Penicillin)
Fluconazole

Antifungal (Azole)
Folic Acid

Vitamin B9 Supplement
Furosemide

Loop Diuretic
Gabapentin

Gabapentinoid (Alpha-2-Delta Calcium Channel Ligand)
Glycine

Irrigation solution / amino acid
Grapefruit

Food / CYP3A4 inhibitor
Hydromorphone hydrochloride

Strong opioid
Hydroxocobalamin (Vitamin B12)

Vitamin B12 Supplement / Cyanide Antidote
Ibuprofen

NSAID
Inclisiran

PCSK9 Inhibitor (siRNA — Small Interfering RNA)
Ivabradine

If Channel (Funny Current) Inhibitor
Kaolin with morphine

Antidiarrhoeal (kaolin) + opioid
Levofloxacin

Antibiotic — Fluoroquinolone
Levomenthol

Topical counter-irritant
Loperamide

Opioid Receptor Agonist (Peripheral — Antidiarrhoeal)
Loratadine

Non-sedating Antihistamine (H1 Antagonist — Second-generation)
Losartan

Angiotensin Receptor Blocker (ARB)
Macrogol (Polyethylene Glycol)

Osmotic Laxative
Melatonin

Melatonin Receptor Agonist
Metoclopramide

Antiemetic / Prokinetic
Metronidazole

Nitroimidazole Antibiotic / Antiprotozoal
Morphine (Oral)

Strong Opioid Analgesic — Step 3 WHO Ladder
Naloxone

Opioid Antagonist
Naltrexone

Opioid Receptor Antagonist
Naproxen

NSAID (Non-selective COX Inhibitor)
Nefopam hydrochloride

Centrally-acting non-opioid analgesic
Nicotine

Nicotine replacement therapy (NRT)
Nitrofurantoin

Antibiotic (Nitrofuran)
Omeprazole

Proton Pump Inhibitor (PPI)
Ondansetron

Antiemetic — 5-HT3 Antagonist
Opium tincture

Opioid (mixture)
Oxycodone

Strong Opioid Analgesic — Step 3 WHO Ladder
Paracetamol

Analgesic / Antipyretic
Pegunigalsidase alfa

Pegylated recombinant alpha-galactosidase A (enzyme replacement)
Pegzilarginase

Pegylated recombinant arginase (enzyme replacement)
Pentazocine

Mixed opioid agonist-antagonist
Prednisolone (Oral — General Medicine)

Oral Corticosteroid
Pregabalin

Gabapentinoid (Alpha-2-Delta Calcium Channel Ligand)
Ramipril

ACE Inhibitor
Rosuvastatin

Lipid-Lowering Agent
Sacubitril/Valsartan

Angiotensin Receptor-Neprilysin Inhibitor (ARNi)
Sapropterin dihydrochloride

Synthetic tetrahydrobiopterin (BH4)
Sebelipase alfa

Recombinant human lysosomal acid lipase enzyme replacement
Selenium

Trace element
Simvastatin

Lipid-Lowering Agent (Statin)
Sodium benzoate

Ammonia scavenger
Sodium fluoride

Fluoride supplement
Sodium phenylbutyrate

Ammonia scavenger (alternative pathway)
Spironolactone

Potassium-Sparing Diuretic / Mineralocorticoid Receptor Antagonist
Thiamine (Vitamin B1)

Vitamin B1 Supplement
Tramadol

Opioid Analgesic (Weak-Moderate) / SNRI
Trientine

Copper chelator
Trimethoprim

Antibiotic (Folate Synthesis Inhibitor)
Velmanase alfa

Recombinant α-mannosidase
Vestronidase alfa

Recombinant β-glucuronidase
Vitamin A

Retinol (fat-soluble vitamin)
Vitamin B complex

B-vitamin combination
Vitamin B substances with ascorbic acid

High-potency parenteral B + C vitamins
Vitamins with minerals and trace elements

Parenteral nutrition supplement
Warfarin

Vitamin K Antagonist (Anticoagulant)
Wasp venom extracts

Allergen immunotherapy (venom)
Zinc acetate

Zinc salt (Wilson's disease)
Zinc sulfate

Zinc supplement