Camber Pharmaceuticals is introducing its generic Detrol LA (tolterodine tartrate extended-release) capsules.The product is the generic of Pharmacia & Upjohn's Detrol LA.Tolterodine tartrate extended-release capsules are used to treat overactive bladder.Camber's generic Detrol LA is available in 2-mg and 4-mg dosage strengths, and come in a 30-ct bottle.