BuSpar (Buspirone) dosage. Buspirone comes in tablets of 5, 10, 15, or 30 milligrams (mg). The tablets have a scored mark down the middle so you can split a pill in half if necessary.

  • A typical dose starts at 7.5 mg every 12 hours. Your doctor may increase your daily dose by 5 mg every few days if needed.
  • An average daily dose is 20 to 30 mg a day in divided doses. The maximum daily dose is 60 mg.