Hi many a times arguments and family disputes are due to communication issues and  misunderstanding. Family work called systemic therapy techniques help. Also education about mental disorders is useful

Understanding of psychiatric illness,it's nature,course is very important for all family members,there is no need to give special treatment or make him/her feel that he/she is different from others,but giving supervised medications, keeping regular follow up with Psychiatrist, keeping watch on early warning signs of exacerbations this are some important aspects