 On 6 February 2008, Lemmouchia was called up by Saâdane to a training camp held in Paris, France in preparation for the upcoming FIFA World Cup 2010 qualifiers.Lemmouchia began his senior international career for Algeria away on 31 May 2008 as a starter against Senegal in the first game of the FIFA World Cup 2010 qualifiers.Lemmouchia was one of the players that were injured during an attack by Egyptians on the coach that was carrying the Algerian team; he stated that he felt disappointed that the game went ahead as the players feared more attacks.