Depending on their personal circumstances, parents of children diagnosed with attention deficit hyperactivity disorder, and those who are under a regime of methylphenidate drugs to combat the symptoms of attention deficit hyperactivity disorder have access to the full range of social security benefits. Those who provide regular and substantial care of at least 35 hours a week for a severely disabled child receiving the middle or highest rates of the disability living allowance care component can be entitled to a carer’s allowance and if on a low income, to the carer premium in the income-related benefits or the carer’s additional amount in pension credit.