Why did shanned doherty leave 90210?

Shannen Doherty left "90210" primarily due to behind-the-scenes conflicts and her tumultuous relationship with the show's producers and cast members. Her departure in 1994 followed a series of tensions and her desire to pursue other opportunities, as well as the challenges of maintaining a demanding filming schedule. Ultimately, her exit was also influenced by her declining popularity with the show's audience and the need for a fresh direction in the series.