YES, Lyrica can indeed cause weight loss due to decrease (not increase) of appetite combined with a feeling of euphoria where on believes they can conquer the world so buzz around like a VERY busy bee. These are on the highly publicized
side effects pages such as found at Mayo Clinic,
WebMD, and a list more under - RARE OR LESS COMMON SIDE EFFECTS. Right there near the top is loss of appetite, euphoria and a long list more.