Lohithadas made his debut as a screenwriter with "Thaniyavarthanam" (1987). He has written screenplays for 35 films in a 24-year-long career, such as "Vicharana" (1988), "Ezhuthapurangal" (1988), "Kireedam" (1989), "Dasharatham" (1989), "Mrugaya" (1989), "His Highness Abdullah" (1990), "Sasneham" (1990), "Bharatham" (1991), "Amaram" (1991), "Aadhaaram" (1992), "Kamaladalam" (1992), "Vatsalyam" (1993), "Venkalam" (1993), "Padheyam" (1993), "Chenkol" (1993), "Chakoram" (1994), "Thooval Kottaram" (1996), "Sallapam" (1996), and "Veendum Chila Veettukaryangal" (1999). He later became a director, and made his directorial debut with "Bhoothakkannadi" (1997). He later wrote and directed other films such as "Karunyam" (1997), "Kanmadam" (1998), "Joker" (2000), and "Kasthooriman" (2003). He died on 29 June 2009 due to a heart attack.