Possessing prescription drugs without a valid prescription is illegal, according to the U.S. Drug Enforcement Agency. Phentermine is a schedule III controlled substance. Individuals attempting to procure phentermine without a prescription are subject to arrest and prosecution. Depending on the state and the amount of phentermine, penalties for possession may range from probation to multiple years in prison.Continue Reading
Many rogue online pharmacies claim to offer "virtual doctors" who write prescriptions for a patient. However, as of 2015, a patient cannot buy phentermine over the Internet without obtaining a prescription from an in-person visit to a doctor, explains the DEA. Ordering phentermine from overseas pharmacies can lead to seizure by U.S. Customs and prosecution by law enforcement, reports the Food and Drug Administration.
Furthermore, phentermine obtained from illegal sources may be counterfeit, be of poor quality or contain potentially harmful ingredients. The FDA analyzes unauthorized prescription drugs to determine their contents and purity. In one case, the FDA purchased purported Tamiflu, an antiviral drug, found to contain a mixture of acetaminophen and talc and none of the true active ingredient. Authorities have discovered counterfeit phentermine tablets containing fenfluramine, a dangerous ingredient, in the United States, notes the National Association of Boards of Pharmacy.Learn more about Medications & Vitamins