Nope. That's why most drive when they plan to do this.

Are Prescriptions From Mexico Legal? You are allowed to bring prescription medications approved by the Food and Drug Administration (FDA) from Mexico into the United States for your personal use. But there is a limit. In general, you may bring up to 50 dosage units into the U.S. without a prescription.1

You must state, in writing, that the medication is for your personal use.

You will need a prescription from a licensed U.S. physician to bring more than 50 dosage units across the border. And here is a key point: A prescription from a Mexican doctor is no longer acceptable.