Do I have to declare external-use medicine (personal use) at Mexico customs?

No — within the allowance it passes without a declaration.

What happens if I do not declare external-use medicine (personal use) 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 external-use medicine (personal use) 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 external-use medicine (personal use) out of Mexico?

Mexico publishes no separate rule for taking external-use medicine (personal use) out; the destination's rules are what will apply.

Does the Mexico limit for external-use medicine (personal use) 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 Reglas Generales de Comercio Exterior para 2026. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Un aparato para medir presión arterial y uno para medir glucosa o mixto y sus reactivos, así como medicamentos de uso personal.”

How does Mexico compare with other countries on external-use medicine (personal use)?

Of the 20 countries covered here, 0 prohibit external-use medicine (personal use), 6 limit it and 14 let it through. Mexico is among the more permissive.

How much External-use medicine (personal use) can I bring into Mexico?

Allowed

You can bring External-use medicine (personal use) into Mexico without a special limit.

Carried Allowed

Declaration Not required

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

Reglas Generales de Comercio Exterior para 2026 Servicio de Administración Tributaria

Questions about External-use medicine (personal use) in Mexico

Do I have to declare external-use medicine (personal use) at Mexico customs?: No — within the allowance it passes without a declaration.
What happens if I do not declare external-use medicine (personal use) 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 external-use medicine (personal use) 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 external-use medicine (personal use) out of Mexico?: Mexico publishes no separate rule for taking external-use medicine (personal use) out; the destination's rules are what will apply.
Does the Mexico limit for external-use medicine (personal use) 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 Reglas Generales de Comercio Exterior para 2026. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Un aparato para medir presión arterial y uno para medir glucosa o mixto y sus reactivos, así como medicamentos de uso personal.”
How does Mexico compare with other countries on external-use medicine (personal use)?: Of the 20 countries covered here, 0 prohibit external-use medicine (personal use), 6 limit it and 14 let it through. Mexico is among the more permissive.

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) Controlled/prescription medicine Dietary supplements and sports nutrition Medicine containing stimulant raw materials Medicines containing narcotic or psychotropic substances Narcotic and psychotropic medicines