Inside Lindsay Lohan's Medicine Cabinet

July 7, 2010 — -- Another day, another series of embarrassing revelations for Lindsay Lohan.

Court records released this afternoon detail a variety of powerful prescription medications that the troubled starlet said she has been taking "for as long as she can remember."

The report comes one day after the "Mean Girls" star was sentenced to 90 days in jail and 90 days of rehab for violation of probation for missing alcohol education classes.

In six screenings since May, Lohan, 24, tested clean of any illicit drugs. But she did say she takes Nexium, Zoloft, Trazadone, Adderall and "sometimes Dilaudid for dental pain," the probation officer's report said.

She twice tested positive for amphetamines and once for an opiate, but because the drugs were Adderall and Dilaudid, they did not violate her probation, the report said.

The report also said she reported for supervision "as instructed" and kept a "positive" attitude.

Hours before the report was released it was also revealed that at Wednesday's sentencing, the actress had written an obscene message to the judge on the nail of her left middle finger.

Just as the tabloid sensation was making an impassioned speech to a California judge about respect for the court and taking responsibility for her actions, she was also apparently sending a secret, defiant message in tiny type on her fingernails: "F**k U."

Magnified images of Lohan's fingers revealed the words today, casting doubt on her remorse over her parole violation for a 2007 DUI conviction for which she was on trial Tuesday.

The 90 day sentence is an unusually harsh one for a relatively minor offense, California defense attorney Mark Geragos said today.

"I just think this sentence is utterly ridiculous," Geragos, who is not involved in the case, told "Good Morning America." "The fact remains that if she was anybody else, Lindsay Smith, that she wouldn't be treated this way. ... This is a completely outrageous sentence in terms of her violation."

Before learning her fate, Lohan pleaded her case to the court -- aware that she might be shown special treatment.

"I wasn't expecting any special treatment aside from the understanding that I have to provide for myself, I have to work. My schedule is, unfortunately, very different," she continued. "Having said that, I did do everything I was told to do and did the best I could to balance jobs and showing up" to her court-ordered alcohol education classes.

She concluded her monologue with a note about how seriously she was taking the proceedings.

"I'm not taking this as a joke. It's my life, it's my career," she said. "I've learned from my experiences, I take responsibility for my actions. I've tried to do the best I can."

When the verdict came down, Lohan was visibly stunned. She broke down sobbing, barely sputtering a "yes" when Revel asked if she understood and accepted the terms of her probation. Revel ordered Lohan to surrender on July 20 at 8:30 a.m. PT.

Both Geragos and family therapist Terry Real said they disagreed not with the verdict, but with the punishment.

"I don't disapprove of the court mandated rehab," Real said. "[But] jail is hardly the treatment of choice for drug and alcohol addiction."

Though Lohan is unlikely to serve the full 90 days in prison -- due to the "overcrowding situation" in L.A. jails -- any other woman convicted of a similar charge would serve mere hours, Geragos said.