Pyaar Ke Side Effects (Hindi: प्यार के साइड इफेक्ट्स) is a 2006 Bollywood romantic comedy film. It was produced under the banner of Pritish Nandy communications and was written and directed by first time director Saket Chaudhary. Rahul Bose and Mallika Sherawat played the lead cast. The film is a romantic comedy, and portrays the intricacies of a modern relationship. A sequel, Shaadi Ke Side Effects, was released in 2014 with Vidya Balan and Farhan Akhtar in the lead roles.