Is it true that it's illegal to purchase prescription drugs over the internet?

Depends....: To purchase a prescription drug - most important thing is you have a real prescription to give to pharmacy. By U.S. Federal law, in order to sell you a prescription drug, any pharmacy must be able to prove that you, the purchaser, has a relationship with the doctor who writes the rx. Bottom line - it is ok to price shop - just be sure your rx is legit and the pharmacy is U.S. Licensed.