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Medication Safety

Doctor Decoded: What is a Controlled Substance?

If your medication is a controlled substance, it may affect how you access it at the pharmacy.

Marisa Taylor KarasPatricia Pinto-Garcia, MD, MPH
Written by Marisa Taylor Karas | Reviewed by Patricia Pinto-Garcia, MD, MPH
Updated on February 15, 2025
Reviewed by Patricia Pinto-Garcia, MD, MPH | February 15, 2025

Medications may be labeled and categorized as either “controlled” or “non-controlled.” Controlled substances may have restrictions on how you access them and how much your doctor can prescribe at once. In this video, learn what a controlled substance is and how it may affect you if your medication is controlled.

You can read more about the details of controlled substances here.

References

GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.

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Why trust our experts?

Marisa Taylor Karas is a freelance journalist based in Brooklyn who has covered health, gender, and technology for 15 years. She previously worked at The Wall Street Journal, The Guardian, and Al Jazeera America, among other publications, and also served as managing editor of the Mellon Foundation in New York City.
Patricia Pinto-Garcia, MD, MPH, is a medical editor at GoodRx. She is a licensed, board-certified pediatrician with more than a decade of experience in academic medicine.

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