Miguel Tejada's 105-game suspension for unauthorized use of a medication resonated with Twins pitcher Mike Pelfrey.

Since 2009 Pelfrey has used Adderall to treat attention deficit hyperactivity disorder (ADHD) the right-hander revealed for the first time Saturday. That was reportedly the same medication for which Tejada tested positive prompting the third-longest non-lifetime suspension in baseball history.

The difference is Tejada's therapeutic use exemption had expired while Pelfrey has taken the appropriate steps to renew his exemption each year.

He stays in contact with the New York-based doctor who diagnosed him at age 25 while he was pitching for the New York Mets. Under baseball's joint drug program two consultations may be conducted over the phone while one must be in person each year.

Pelfrey visited his doctor last month when the Twins were in New York to play the Yankees.

"You understand you have to renew it every year" Pelfrey told the Pioneer Press. "Maybe that was what happened. Maybe (Tejada) didn't renew it."

Pelfrey used to take Adderall daily but stopped because it was causing headaches. He now takes the medication on the days he pitches and throws bullpens typically two hours before he takes the mound.

The dosage is supposed to work for at least four to five hours Pelfrey said which should cover him for a complete three-hour game.

"When I don't take my Adderall my mind my thoughts are just all over the place" he said. "When I'm taking it I'm able to focus on one task and able to do one thing instead of (having) 20 different things pop in your head. It definitely helps."

Without an attention deficit disorder or ADHD diagnosis Adderall could give a player additional energy Pelfrey said.