Do I have to declare medical oxygen cylinders and concentrators at Mexico customs?

Yes — it has to be declared to Mexico customs on arrival.

What happens if I do not declare medical oxygen cylinders and concentrators in Mexico?

Under Ley Aduanera, artículo 88, primer párrafo, if you declare the excess yourself: a flat-rate charge is applied to the excess. Under Ley Aduanera, artículo 178, fracción I, segundo párrafo, if the goods are found without being declared: an administrative fine is imposed; the normal duty becomes payable on the excess. Under Ley Aduanera, artículo 151, fracción III: the goods are confiscated.

Can I post or ship medical oxygen cylinders and concentrators to Mexico 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.

Can I take medical oxygen cylinders and concentrators out of Mexico?

Mexico publishes no separate rule for taking medical oxygen cylinders and concentrators out; the destination's rules are what will apply.

Does the Mexico limit for medical oxygen cylinders and concentrators 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?

Agencia Nacional de Aduanas de México (ANAM) states it in Circular Obligatoria CO AV-175.01/26, apéndice B: mercancías peligrosas transportadas por los pasajeros o la tripulación. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Cilindros de oxígeno o de aire necesarios para uso médico”

How does Mexico compare with other countries on medical oxygen cylinders and concentrators?

Of the 20 countries covered here, 1 prohibit medical oxygen cylinders and concentrators, 10 limit it and 9 let it through. Mexico is among the ones that set a limit.

How much Medical oxygen cylinders and concentrators can I bring into Mexico?

Restricted

You can bring Medical oxygen cylinders and concentrators into Mexico only within the stated limits.

Cabin baggage —

Checked baggage —

Declaration Above allowance

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 2026-09-19

Circular Obligatoria CO AV-175.01/26, apéndice B: mercancías peligrosas transportadas por los pasajeros o la tripulación Agencia Federal de Aviación Civil (AFAC)

Questions about Medical oxygen cylinders and concentrators in Mexico

Do I have to declare medical oxygen cylinders and concentrators at Mexico customs?: Yes — it has to be declared to Mexico customs on arrival.
What happens if I do not declare medical oxygen cylinders and concentrators in Mexico?: Under Ley Aduanera, artículo 88, primer párrafo, if you declare the excess yourself: a flat-rate charge is applied to the excess. Under Ley Aduanera, artículo 178, fracción I, segundo párrafo, if the goods are found without being declared: an administrative fine is imposed; the normal duty becomes payable on the excess. Under Ley Aduanera, artículo 151, fracción III: the goods are confiscated.
Can I post or ship medical oxygen cylinders and concentrators to Mexico 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.
Can I take medical oxygen cylinders and concentrators out of Mexico?: Mexico publishes no separate rule for taking medical oxygen cylinders and concentrators out; the destination's rules are what will apply.
Does the Mexico limit for medical oxygen cylinders and concentrators 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?: Agencia Nacional de Aduanas de México (ANAM) states it in Circular Obligatoria CO AV-175.01/26, apéndice B: mercancías peligrosas transportadas por los pasajeros o la tripulación. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Cilindros de oxígeno o de aire necesarios para uso médico”
How does Mexico compare with other countries on medical oxygen cylinders and concentrators?: Of the 20 countries covered here, 1 prohibit medical oxygen cylinders and concentrators, 10 limit it and 9 let it through. Mexico is among the ones that set a limit.

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