HomePhentermine FAQsCan I buy phentermine in Mexico and bring it back to the US?Can I buy phentermine in Mexico and bring it back to the US?Many US residents consider purchasing phentermine weight loss pills (e.g. Acxion, Terfamex, etc.) in Mexico due to the lower cost and, often, more relaxed prescribing standards. However, this is not wise and, in many cases, illegal.Phentermine hydrochloride – the active ingredient in phentermine weight loss pills – is a class IV controlled substance in the US and abroad. As a result, it is:Illegal to buy (or sell) phentermine without a prescriptionIllegal to move phentermine across international borders without a prescriptionThe only way to buy phentermine in Mexico and bring it back to the US legally is to meet with a doctor and receive a valid prescription for the medication in Mexico. However, if you are only going to Mexico for vacation, this may still be imprudent. The prescribing doctor will not be as familiar with your medical history and overall health status as would a doctor who sees you regularly, nor will he or she be able to complete routine follow-ups that help ensure your phentermine journey is a success.Instead, schedule an appointment with your primary care doctor or a local weight loss clinic if you are interested in phentermine weight loss pills.→ Click here to read more about buying phentermine.