Can I Bring Essential liquid medicines on a Plane to United Kingdom?
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Essential liquid medicines
Restrictions Apply
Special Rules Apply
According to CAA guidelines, essential liquid medicines over 100ml are allowed in hand luggage. Proof may be needed if prescribed, in liquid form and in a container larger than 100ml. Different rules may apply for medicines containing controlled drugs.
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
Essential liquid medicines
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