Mam Starting semi solid or solid foods wont cause hard stools Inadequate fibre or liquids in diet and improper toilet habits may cause hard stools Un your child bllood stained stoils may be because of hard stools injuring anal walls Aristozyme enhances digestion it has no effects on hard stools You can increase semi solid or solid food stuffs mashed vegetables friuts greens also soups Have regular toilet training If baby suffers more contact pediatrician to get your kid examined for anal fissure Add laxatives or rectal suppositary with his guidance