The FDA sets the maximum for Adderall (IR or XR) at a dose of 40 mg/day for adult ADHD. However, they allow up to 60 mg/day for more severe cases of ADHD, as well as for narcolepsy. Adderall dosing varies by age, condition, and individual factors. Learn what’s considered a safe daily maximum and how doctors adjust doses over time. The meaning of MAXIMUM DOSE is the largest dose of a medicine or drug consistent with safety. This policy provides information about the maximum dosage per administration and dosing frequency for certain medications administered by a medical professional. How much ibuprofen can you take at once or in a day? Learn the safe dose limits, overdose signs, and when ibuprofen may raise stomach, kidney, or heart risks. The recommended maximum dose of clavulanate component is 6.4 mg/kg/day. Different formulations are needed based on patient weight to keep within this recommended range. Tags in: maximum daily dose definition, maximum daily dose calculation, safe dose range, drug dose range, fda maximum daily dose database. A popular online platform lead by pharmaceutical specialists to grow-up pharmaceutical professionals with scientific and technical knowledge. The current FDA-approved maximum daily dose for Adderall is 40 mg for both immediate-release (IR) and extended-release (XR) formulations, though more recent clinical guidelines from the American Academy of Child and Adolescent Psychiatry suggest a maximum of 50 mg daily for both formulations. 1, 2 The FDA-approved dosages and indications for the use of stimulant and related medications in adults are provided in this table. All medication doses listed are for oral administration. Detailed Lithium dosage information for adults and children. Includes dosages for Bipolar Disorder and Mania; plus renal, liver and dialysis adjustments.