DRUG CLASSES A–Z

The art of Drug Categories: AI Pharmacist

Every drug class page follows the same structure — see mechanism, uses, cautions, dose adjustments and monitoring in seconds.

Reviewer: S Chishti (UK Pharmacist)

Educational Purposes Only

Reviewed:1 Jan 2026

Next: 1 Jan 2027

Source: SmPC – FDA – MHRA

Suggest an edit

For each drug class, AI Pharmacist covers:

Class name
Pharmacological group
Example medicines
Mechanism of action
Main indications
Place in therapy
Dosing principles
Renal dose adjustments
Hepatic dose adjustments
Key contraindications
Common side effects
Serious adverse reactions
Important interactions
Monitoring parameters
Pregnancy & breastfeeding use
Children, adults & elderly use

Addictive Drugs

Cannabis Ketamine Methadone

ADHD Medicines

ADHD Medicines Atomoxetine Dexmethylphenidate Dextroamphetamine Guanfacine Methylphenidate for Children

Analgesics Painkillers

Acetaminophen Paracetamol Paracetamol for Children

AntiAnxiety Medicines

Alprazolam Anti Anxiety Medicines Clonazepam Desvenlafaxine Diazepam Duloxetine Lorazepam

Antibacterial Medicines

Chlorhexidine Fusidic Acid

Antibiotics

Amoxicillin Antibiotics Antibiotics for Babies Azithromycin Cefalexin Chloramphenicol Ciprofloxacin Clarithromycin Co-amoxiclav Doxycycline Erythromycin Flucloxacillin Lymecycline Metronidazole Nitrofurantoin Penicillin Trimethoprim

AntiCholesterol

Bempedoic Acid Ezetimibe Fenofibrate Gemfibrozil

Anticoagulants

Apixaban Aspirin Clopidogrel Dabigatran Edoxaban Enoxaparin Rivaroxaban Ticagrelor Warfarin Xarelto

Antidepressants

Antidepressants Buspirone Citalopram Desvenlafaxine Dosulepin Duloxetine Escitalopram Fluoxetine Mirtazapine Paroxetine Sertraline Trazodone Venlafaxine

Antidiabetics

Acamprosate Acarbose Alogliptin Anti Diabetic Medicines Dapagliflozin Empagliflozin Gliclazide Glimepiride Glipizide Insulin Linagliptin Metformin Mounjaro Pioglitazone Saxagliptin Semaglutide Sitagliptin

Antiepileptics

Anti Epileptic Medicines Carbamazepine Lamotrigine Levetiracetam Phenytoin Sodium Valproate Topiramate Valproic Acid

Antifungals

Clotrimazole Clotrimazole Cream Fluconazole Ketoconazole Nystatin Terbinafine

Antihistamines

Allergy Medicines Azelastine Spray Cetirizine Chlorphenamine Desloratadine Diphenhydramine Fexofenadine Loratadine Promethazine

Antihypertensives

Amlodipine Bisoprolol Bumetanide Clonidine Hydralazine

ACE Inhibitors

Benazepril Benazepril Enalapril Lisinopril Perindopril Ramipril

Alpha Blockers

Doxazosin

ARBs (Angiotensin II Receptor Blockers)

Candesartan Irbesartan Losartan Olmesartan Valsartan

Beta Blockers

Beta Blockers Carvedilol Labetalol Metoprolol Propranolol Sotalol

Calcium Channel Blockers (CCBs)

Felodipine Lercanidipine Nifedipine

Diuretics

Bendroflumethiazide Diuretics Furosemide Hydrochlorothiazide Hydrochlorothiazide Indapamide

Potassium-Sparing Diuretics

Eplerenone Spironolactone

Antiparasitic Medicines

Ivermectin

Antipsychotics

Aripiprazole Haloperidol Olanzapine Quetiapine Risperidone

AntiSickness Medicines

Betahistine Chlorphenamine Cinnarizine Cyclizine Domperidone Metoclopramide Prochlorperazine Promethazine

Antivirals

Aciclovir

Asthma Medicines

Beclometasone inhalers Budesonide Inhaler Fluticasone Inhalers Mometasone Inhalers Montelukast Salbutamol Inhaler Tiotropium Inhalers Umeclidinium Zafirlukast

Bladder Medicines

Mirabegron Oxybutynin Solifenacin Tolterodine

Bowel & Gut Medicines

Dicyclomine Hyoscine Ispaghula Husk Loperamide

Cancer Therapy

Anastrazole Letrozole Lidocaine Tibolone

Contraceptives

Combined Contraceptive Contraceptives Progesterone

Dementia Medicines

Donepezil

Erectile Dysfunction Medicines

Sildenafil Tadalafil

Eye Drops

Betamethasone Drops Bimatoprost Latanoprost Timolol Drops

Heart Medicines

Amiodarone Digoxin Diltiazem Dipyridamole Glyceryl Trinitrate Isosorbide Dinitrate Isosorbide Mononitrate

HRT (Hormone Replacement Therapy)

Estradiol Estradiol patches HRT Oestrogen Progesterone Utrogestan Vaginal Oestrogen

Hypnotic Sedatives

Eszopiclone Zopiclone

Immunosuppressants & DMARDs

Azathioprine Azithromycin Hydroxychloroquine Mesalazine Methotrexate Sulfasalazine

Laxatives

Bisacodyl Laxatives Macrogol

Migraine Medicines

Sumatriptan Zolmitriptan

Mood Stabilisers

Lithium Valproic Acid

Mouth & Throat Medicines

Benzydamine Lidocaine for Mouth

Muscle Relaxants

Baclofen Cyclobenzaprine

Nasal Sprays

Fluticasone Spray Drops

Neuropathic Pain Medicines

Gabapentin Nortriptyline Pain Killers Pregabalin

NSAIDs Anti-Inflammatories

Diclofenac Ibuprofen Ibuprofen for Adults Ibuprofen for Children Ketoprofen Naproxen Nefopam NSAIDs Pain Killers

Opioid Painkillers

Buprenorphine Codeine Fentanyl Memantine Morphine Opioids Pain Killers Tramadol

Oral Steroids

Budenoside Dexamethasone Hydrocortisone Hydrocortisone Tablets Oxycodone Prednisolone Steroids

Parkinson’s Medicines

Co-Beneldopa Co-careldopa Ropinirole

Prostate Medicines

Finasteride Tamsulosin

Proton Pump Inhibitors (PPIs)

Dexlansoprazole Esomeprazole Lansoprazole Omeprazole Pantoprazole Rabeprazole

Skin & Topical Medicines

Adapalene Betamethasone for skin Fluticasone Creams Hydrocortisone cream Isotretinoin Mometasone cream

Statins

Atorvastatin Pravastatin Rosuvastatin Simvastatin Statins