Basics of crossing back into the U.S.

No firearms or ammunition may be transported across the border without advance official permission from both Mexico and the U.S. Doing so without permission is a serious crime.

Any illegal drug. Persons found to be transporting illegal drugs expose themselves to severe legal penalties.

The amounts of alcoholic beverages are limited.

Certain prescription medications are prohibited.

Some fresh vegetables, cut flowers, animal products, birds, and horses are prohibited.

Gifts and personal items acquired in Mexico whose value exceeds the U.S. $800 exemption must be declared and are generally subject to duty.

Switchblade knives, sea turtle boots, or any other articles of endangered species (i.e. spotted cats, coral, crocodiles, elephants, etc.).

All agricultural products must be declared. Many fresh fruits, including oranges, are prohibited.

Cuban cigars may be imported, if for personal use.