Do I have to declare controlled/prescription medicine at United Kingdom customs?

There is nothing to declare — controlled/prescription medicine cannot be brought in at all. Declaring it does not make it admissible; it hands it over.

What happens if I do not declare controlled/prescription medicine in United Kingdom?

Under Travellers' Allowances Order 1994, if you declare the excess yourself: a flat-rate charge is applied to the excess. The normal duty becomes payable on the excess. Under Customs and Excise Management Act 1979, section 167, if it is treated as smuggling: it is prosecuted as a criminal offence; the goods are confiscated.

Can I post or ship controlled/prescription medicine to United Kingdom instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Can I take controlled/prescription medicine out of United Kingdom?

United Kingdom publishes no separate rule for taking controlled/prescription medicine out; the destination's rules are what will apply.

Does the United Kingdom limit for controlled/prescription medicine apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

HM Revenue and Customs (HMRC) / Border Force states it in Take medicine in or out of the UK. CarryRules last confirmed that sentence at the source on 2026-09-16.

How does United Kingdom compare with other countries on controlled/prescription medicine?

Of the 20 countries covered here, 1 prohibit controlled/prescription medicine, 18 limit it and 1 let it through. United Kingdom is among the ones that set a limit.

How much Controlled/prescription medicine can I bring into United Kingdom?

Prohibited

You cannot bring Controlled/prescription medicine into United Kingdom.

Cabin baggage —

Checked baggage —

Declaration Required — surrender

Limit No stated quantity

What you need to know

No stated quantity
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-16

Take medicine in or out of the UK Home Office / HM Revenue & Customs (GOV.UK)

Questions about Controlled/prescription medicine in United Kingdom

How many controlled/prescription medicine can I bring into United Kingdom?: controlled/prescription medicine may not be brought into United Kingdom at all. The allowance is per traveller and cannot be pooled between people.
Do I have to declare controlled/prescription medicine at United Kingdom customs?: There is nothing to declare — controlled/prescription medicine cannot be brought in at all. Declaring it does not make it admissible; it hands it over.
What happens if I do not declare controlled/prescription medicine in United Kingdom?: Under Travellers' Allowances Order 1994, if you declare the excess yourself: a flat-rate charge is applied to the excess. The normal duty becomes payable on the excess. Under Customs and Excise Management Act 1979, section 167, if it is treated as smuggling: it is prosecuted as a criminal offence; the goods are confiscated.
Can I post or ship controlled/prescription medicine to United Kingdom instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.
Can I take controlled/prescription medicine out of United Kingdom?: United Kingdom publishes no separate rule for taking controlled/prescription medicine out; the destination's rules are what will apply.
Does the United Kingdom limit for controlled/prescription medicine apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: HM Revenue and Customs (HMRC) / Border Force states it in Take medicine in or out of the UK. CarryRules last confirmed that sentence at the source on 2026-09-16.
How does United Kingdom compare with other countries on controlled/prescription medicine?: Of the 20 countries covered here, 1 prohibit controlled/prescription medicine, 18 limit it and 1 let it through. United Kingdom is among the ones that set a limit.

Related items

Accompanied cash Accompanying goods, non-commercial (flat-rate band) Agricultural/forestry/fishery/livestock products (general sub-cap) Alcohol and alcoholic beverages above 22% vol (or undenatured ethyl alcohol 80% vol and over)

Related countries

Australia Canada China France

Other items in this group

Controlled substances for personal medical use (schedules II-V) Dietary supplements and sports nutrition External-use medicine (personal use) Medicine containing stimulant raw materials Medicines containing narcotic or psychotropic substances Narcotic and psychotropic medicines