Exam topic 3 of 18

Alcohol, drugs, medication & fatigue

What the Belgian category-B theory exam expects you to know about alcohol, drugs, medication & fatigue, and what RoadReady holds on it: 7 short lessons and 43 practice questions, each with a full explanation. Try one of them below, then study the rest in the app.

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What is in this topic

One question, worked through

A real-style question from this topic, with its full explanation. Take your time here; on the day you will have 15 seconds.

Which of these commonly reduces alertness at the wheel?

  1. Antiseptic cream applied to a cut finger
  2. Sedating antihistamines for hay fever
  3. Vitamin supplements taken with breakfast
  4. Rehydration salts after a stomach upset

The answer

B — Sedating antihistamines for hay fever

Why

Sedating antihistamines are among the classes most often named as affecting driving, alongside sleeping tablets and tranquillisers.

Why not

  • A A cream applied to the skin is not among the classes that affect driving.
  • C Vitamin supplements are not among the classes known to affect alertness at the wheel.
  • D Rehydration salts do not affect alertness.

Source: FAGG/AFMPS guidance on medicines and driving

How this topic works in RoadReady

Every lesson in this topic is a short read built around the pictures the real questions use, and every practice question ends the same way as the one above: why the right answer is right, and why each other option is wrong. A mock exam draws on all of it, scored exactly like the real thing — 50 questions, 15 seconds each, five points for a heavy fault — and your readiness figure tells you honestly when this topic is done.

Study the whole topic

Every lesson and practice question in this topic is part of the RoadReady pass: €20, one payment, no subscription. With a free account you can study Priority & right-of-way and sit one full mock exam first.

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