Other impairing drugs — New Hampshire Permit Test
Other impairing drugs on the New Hampshire permit test — 6 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Besides alcohol there are many other drugs that can affect the ability to drive safely, with effects like those of alcohol or worse.
A driver who would never drink before driving may take something that leaves them in a worse state, without ever thinking of it that way.
These drugs can have effects like those of alcohol, or worse.
Pep pills, uppers and diet pills can make a person feel nervous, dizzy and unable to concentrate, and can affect their vision.
A stimulant does not make a driver safer. It makes them feel alert while taking away the concentration that alertness is for.
Pep pills, “uppers” and diet pills can make a person feel nervous, dizzy, unable to concentrate, and can affect the driver’s vision.
Prescription drugs such as antidepressants, pain reducers, sleep aids and sedatives will have an impact on driving safely.
A drug a doctor prescribed is still a drug, and the label warning is there because it changes how a person drives.
Prescription drugs, such as, antidepressants, pain reducers, sleep aids and sedatives will have an impact on driving safely.
A driver unsure whether it is safe to take a drug and drive should ask their doctor or pharmacist about any side effects.
The person who dispensed it knows what it does. Guessing is the alternative, and guessing is how people end up impaired at the wheel.
a driver should ask their doctor or pharmacist about any side effects.
Drugged driving is illegal and is as dangerous as drunk and distracted driving.
Illegal drugs are treated no differently from a drink, because what matters to the road is the state the driver is in.
Drugged driving is illegal and is as dangerous as drunk and distracted driving.
A driver should never drink alcohol while taking other drugs, because the combination could multiply the effects of the alcohol.
Two substances together can do more than both apart, so a driver who judged each one safe can still be badly impaired.
These drugs could multiply the effects of alcohol or have additional effects of their own which could severely impact a driver’s ability to drive safely.
On the test
How do other impairing drugs compare with alcohol?
They can have effects like alcohol, or worse. A driver who would never drink before driving may take something that leaves them in a worse state, without ever thinking of it that way. New Hampshire Driver's Manual, p.9: “These drugs can have effects like those of alcohol, or worse.”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
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Where these come from
Every rule here is checked against New Hampshire Driver's Manual, published by the New Hampshire Division of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.
- src/assets/drivers-manuals/NH.pdf (New Hampshire Driver's Manual, Rev. 11/25, New Hampshire Division of Motor Vehicles, retrieved 2026-09-14)
- src/assets/drivers-manuals/NH.pages.txt (plain pdftotext over that PDF; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json (sha256, folio offset 6, folioMarker, nonLawPages, signGalleryPages and the extraction flag, each with its basis)