Isaula made his debut in senior football on 17 September 1995, when he played for Independiente Villela against Honduran giants
F.C. Motagua. He scored his first goal three years later, also against Motagua. He then had a long spell with
Real España and also played for
Municipal Valencia and
Hispano before finally playing for
F.C. Motagua himself. After another stint at Hispano, Isaula joined
Necaxa in summer 2010 and signed for Atlético Choloma for the 2012 Apertura season. In November 2012, Isaula became only the second player to reach 440 matches in Honduran football, behind
Denilson Costa. ==International career==