Lindsay Lohan tested positive for amphetamines and opiates during her random drug tests, this according to the probation officer's report obtained by TMZ.



But according to the report, Lindsay was allowed to take the drugs that created the positive results -- namely, Dilaudid (opiate) and Adderall (amphetamine).

According to the report, "The defendant indicates she has been on the same prescription medication for as long as she can remember."