Visual explainers
Pharmacology you can see. Select anything on an explainer for the reasoning, what to watch for and an exam tip.
3 explainers are open to everyone. All 44 come with Pro and Saver.
Free to explore3
Body maps3
Treatment steps2
Comparison5
Atrial fibrillation: slow the rate, or bring back the rhythm?Pro & Saver
Codeine vs dihydrocodeine: what’s the difference?Pro & Saver
ACE inhibitors vs ARBs: same pathway, what’s the difference?Pro & Saver
Anticoagulants vs antiplatelets: same goal, different targets?Pro & Saver
Cystitis vs pyelonephritis: same bug, different drug?Pro & Saver
Timeline1
Classification14
Anti-arrhythmic drugs: how does each class work on the heart?Pro & Saver
Blood pressure medicines: how does each one bring it down?Pro & Saver
Antihistamines: which kind, and why does it matter?Free
Anti-sickness medicines: which one for which cause — and which must never meet?Free
Laxatives: which kind for which constipation — and how fast does each one work?Pro & Saver
Type 2 diabetes tablets: how does each one lower glucose?Pro & Saver
Anticoagulants: how does each one work, and how is it reversed?Pro & Saver
Mouth ulcers: what helps, and when must you refer?Pro & Saver
Drugs acting on acetylcholine: boost it or block it?Pro & Saver
Antifungals: punch holes, stop the build, or break the wall?Pro & Saver
TB medicines: what does each of the four do — and what does it do to you?Pro & Saver
Thyroid medicines: topping up, or turning down?Pro & Saver
Insulins: which one covers the meal, and which covers the day?Pro & Saver
Diuretics: where each one acts in the nephron — and what it costs the patientPro & Saver
Why? chain19
Years on digoxin without trouble — why toxic now amiodarone has started?Pro & Saver
Why a calcium-channel blocker first for Black African or African-Caribbean patients?Pro & Saver
Verapamil plus propranolol: why is that pairing so dangerous?Pro & Saver
A week of antibiotics — why do his muscles ache and his urine look dark?Pro & Saver
He used his GTN spray as usual — so why did he collapse?Pro & Saver
Why can trimethoprim raise potassium?Pro & Saver
Why can an epilepsy medicine make the pill fail?Pro & Saver
Why can SGLT2 inhibitors cause DKA with a near-normal glucose?Pro & Saver
Blood pressure down, ankles swollen — why?Pro & Saver
Why can stopping smoking make clozapine levels rise?Pro & Saver
Why can one ibuprofen tip the kidneys over?Pro & Saver
Why must you stay upright after alendronic acid?Pro & Saver
It’s only a mouth gel — so why is her INR now 8?Pro & Saver
Treated for cystitis — so why the mouth ulcers, sore throat and bruises?Pro & Saver
Stable on lithium for years — why is she shaky, sick and confused?Pro & Saver
A painkiller after a fall — why is he now sweating, shaking and agitated?Pro & Saver
Muddled and falling — could her tablets be lowering her sodium?Pro & Saver
Two days on ciprofloxacin — why did his Achilles tendon snap?Pro & Saver
Months on prednisolone, then a stomach bug — why is she collapsing?Pro & Saver







