Can I Bring Liquids for essential medical purposes on a Plane to United Kingdom?
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Liquids for essential medical purposes
Restrictions Apply
Special Rules Apply
According to CAA guidelines, liquid containers up to 2 litres are allowed through security at all UK airports if for essential medical purposes. Proof may be needed if the medication is prescribed, in liquid form, and in a container larger than 100ml.
The final decision rests with the CAA officer on whether an item is allowed through the checkpoint. Official CAA Rules →
Quick Rule
Under 3.4oz (100ml)
Allowed in carry-on
Over 3.4oz (100ml)
Must go in checked bag
Checked Baggage
Allowed in any size
Source: Official CAA Regulations ↗Updated: May 20, 2026
Also known as
Liquids for essential medical purposes
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