There is a scarcity of Adderall, according to the FDA.

In this Aug. 2, 2018, file photo taken at a bus stop on the FDA’s campus in Silver Spring, the U.S. Food and Drug Administration (FDA) building is visible behind FDA logos. Md. Hide caption by Jacquelyn Martin for AP

switch to caption AP Photo/Jacquelyn Martin On the agency’s campus in Silver Spring, Maryland, the U.S. Food and Drug Administration (FDA) building can be seen in this Aug. 2, 2018, file photo hidden under FDA emblems at a bus stop.

AP Photo/Jacquelyn Martin After many pharmacies around the nation were unable to fill prescriptions and keep up with demand, the FDA acknowledged the country was facing an Adderall shortage.

The medication, commonly referred to as combined amphetamine salts, is used to treat narcolepsy and attention-deficit/hyperactivity disorder (ADHD).

The FDA stated, “We will keep an eye on supply, support manufacturers with whatever is required to end the shortage, and update our website with fresh supply information as it becomes available.”

The prescription’s supply from the manufacturer varies, according to