Can you take prescription medicine from Portugal to the UK?
Prescription medicine: portuguese airports (ana) apply the eu 100ml cabin-bag rule. Carry medication in cabin, with the prescription or doctor's note. Liquid medicines may be opened for inspection. The cabin rule at your Portugal departure airport is what matters.
Triple-check
Security · Airline · BorderEssential medicines are usually exempt from the 100ml cabin rule when carried for the journey, with documentation if asked.
Declare medicines at the start of screening. Keep them in original labelled packaging.
At the checkpoint leaving the origin airport.
Keep essential medication in your cabin bag with the prescription or pharmacist's letter, in case checked luggage is delayed.
Cabin vs checked baggage rules.
Prescription medicine may be subject to the UK customs or food-import rules. Confirm with the destination's official source.
Customs and import rules in the UK.
Best packing plan
Cabin
Portuguese airports (ANA) apply the EU 100ml cabin-bag rule. Carry medication in cabin, with the prescription or doctor's note. Liquid medicines may be opened for inspection.
Checked
Spare supplies can go in checked luggage, but always keep what you need for the journey in cabin.
Border
Separate customs and food-import rules may apply when you arrive in the UK. Check official GOV.UK customs guidance for personal allowances on food, alcohol and tobacco.
Strictest play: Always carry prescriptions and original packaging. Some countries restrict or ban specific medications — check the destination's import rules before flying.
Source: EU passenger security guidance applies as a regional fallback. We don't have an airport-specific source for this departure, so the answer assumes the EU 100ml baseline.
This answer covers Portugal → the UK. The rules can change depending on where you're flying from and to — check this item for your exact route.
Liquid Limits focuses on airport security and liquid-like travel items. Separate customs, import, airline, or destination laws may apply. CBD, alcohol, medicine, food liquids, and dangerous goods may need official destination guidance beyond airport security. What this site covers and doesn't cover.
Related guides
Packing checklist for this trip
A short checklist for this trip — pack what you need to stay within the rules above.
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Frequently asked questions
Can I take prescription medicine from Portugal to the UK?
Prescription medicine: portuguese airports (ana) apply the eu 100ml cabin-bag rule. Carry medication in cabin, with the prescription or doctor's note. Liquid medicines may be opened for inspection. The cabin rule at your Portugal departure airport is what matters.
Can I pack prescription medicine in cabin baggage?
Portuguese airports (ANA) apply the EU 100ml cabin-bag rule. Carry medication in cabin, with the prescription or doctor's note. Liquid medicines may be opened for inspection.
Can I put prescription medicine in checked luggage?
Spare supplies can go in checked luggage, but always keep what you need for the journey in cabin.
Do I need to declare prescription medicine at customs in the UK?
Separate customs and food-import rules may apply when you arrive in the UK. Check official GOV.UK customs guidance for personal allowances on food, alcohol and tobacco.
LiquidLimits.com is a travel planning tool, not an official airport or government source. Rules can change between trips and between terminals. Always check the official airport or aviation security guidance before you travel, and when in doubt pack to the stricter 100ml cabin-bag rule.