Prescribing Safety Assessment · national (BPS + MSC)

The PSA

A two-hour online exam of prescribing competence — 60 items across 8 sections, 200 marks. The BNF is available throughout. Readiness here is weighted by marks, so Prescribing counts most.

60
items
Learning tree

The PSA, in order

2 stages · every topic placed

Side-by-side stages are interchangeable — take them in any order. Later stages are greyed as advice, never locked: if your placement needs something now, go and get it.

1

Write a safe prescription

you are here

The mechanics before the pharmacology: the sections that carry the most marks and the ones where errors are procedural rather than clinical.

0/2
2

Decide and monitor

comes later

Planning management, adverse reactions, monitoring and calculation — the reasoning half of the paper.

0/6
200
marks
Learning tree

The PSA, in order

2 stages · every topic placed

Side-by-side stages are interchangeable — take them in any order. Later stages are greyed as advice, never locked: if your placement needs something now, go and get it.

1

Write a safe prescription

you are here

The mechanics before the pharmacology: the sections that carry the most marks and the ones where errors are procedural rather than clinical.

0/2
2

Decide and monitor

comes later

Planning management, adverse reactions, monitoring and calculation — the reasoning half of the paper.

0/6
120
minutes
Learning tree

The PSA, in order

2 stages · every topic placed

Side-by-side stages are interchangeable — take them in any order. Later stages are greyed as advice, never locked: if your placement needs something now, go and get it.

1

Write a safe prescription

you are here

The mechanics before the pharmacology: the sections that carry the most marks and the ones where errors are procedural rather than clinical.

0/2
2

Decide and monitor

comes later

Planning management, adverse reactions, monitoring and calculation — the reasoning half of the paper.

0/6
BNF
available
Learning tree

The PSA, in order

2 stages · every topic placed

Side-by-side stages are interchangeable — take them in any order. Later stages are greyed as advice, never locked: if your placement needs something now, go and get it.

1

Write a safe prescription

you are here

The mechanics before the pharmacology: the sections that carry the most marks and the ones where errors are procedural rather than clinical.

0/2
2

Decide and monitor

comes later

Planning management, adverse reactions, monitoring and calculation — the reasoning half of the paper.

0/6
Southampton dates1st attempt · Jan 2027resit · 3 Jun 2027You’ve already sat the June 2026 mock.
0PSA readinessmark-weighted
Where the marks are200 marks
80
32
16
16
16
16

Prescribing (80) + Prescription review (32) = 56% of all marks. Prioritise them.

The 8 sections
Clinical content

Learn the material

236 entries
Practice questionsGenerated from all the content above — endless variation, near-miss distractors, explanation every time.
SCRIPT modules
0/55 done

The 55 Safe Prescriber e-learning modules to complete before the PSA — the prescribing foundation, as a tracked checklist.

The formulary
Top 40 FY1 drugs

The highest-yield drugs FY1s actually prescribe — browse by system, with the key prescribing points, and track what you know.

Drug monitoring
27 drugs · ranges & toxicity

Therapeutic ranges, monitoring, timing and toxicity for the drugs the PSA tests — lithium, digoxin, warfarin, DMARDs and more.

Seven clinical settings

Every scenario is drawn from one of these.

MEDSURGELDPEDPSYCHO&GGP