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

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