This is a non-exhaustive list of common medication types and examples of each:
Paracetamol.
Ibuprofen.
Co-codamol (paracetamol and codeine mix)
Codeine.
Tramadol.
Morphine.
Diclofenac.
Asprin.
Naproxen.
Dihydrocodeine.
Oxycodone.
Nefopam.
Gabapentin.
Fentanyl.
Ketamine.
Bisoprolol.
Atenolol.
Digoxin.
Amiodarone.
Adenosine.
Diltiazem.
Amoxicillin.
Flucloxacillin.
Meropenem.
Vancomycin.
Gentamycin.
Clarithromycin.
Co-amoxiclav.
Doxycycline.
Ceftazidime.
Piperacillin / Tazobactam (tazocin).
Ciprofloxacin.
Levofloxacin.
Cephalexin.
Cefuroxime.
Clindamycin.
Trimethoprim.
Nitrofurantoin.
Warfarin.
Rivaroxaban.
Apixaban.
Enoxaparin.
Funderparinex.
Heparin.
Sodium valproate (Epilim).
Phenytoin.
Levetiracetam (Keppra).
Gabapentin.
Clonazepam
Diazapam.
Lorazepam.
Carbamazepine.
Citalopram.
Fluoxetine.
Amitriptyline.
Sertraline.
Venlafaxine.
Mirtazapine.
Trazodone.
Cyclizine.
Ondansetron.
Metoclopramide.
Prochlorperazine.
Levomepromazine.
Ramipril.
Doxazosin.
Candesartan.
Losartan.
Lisinopril.
Atenolol.
Bisoprolol.
Amlodipine.
Diltiazem.
Nifedipine.
Metformin.
Insulin.
Gliclazide.
Salbutamol.
Ipratropium.
Tiotropium.
Theophylline.
Furosemide.
Bumetanide.
Spironolactone.
Bendroflumethiazide.
Indapamide.
Amiloride.
Zopiclone.
Haloperidol.
Lorazepam.
Midazolam.
Diazepam.
Chlordiazepoxide.
Temazepam.
Phenobarbitol.
Simvastatin.
Atorvastatin.
Pravastatin.
Lactulose.
Senna.
Movicol.
Sodium Docusate.
Bisacodyl.
Phosphate Enema.
Microlax Enema.
Glycerine Suppositories.
Omeprazole.
Lansoprazole.
Esomeprazole.
Ranitidine (H2-receptor-blocker).
Peptac.