Home » Ortho Related » Medications » Quinapril / Accupril Quinapril / Accupril September 27, 2020July 22, 2020 by Data Trace Editor - Discussion: - ACE inhibitor; - initial dose is 10 mg per day, but dosages of 10-40 mg PO bid are often required; - available in 5 mg, 10 mg, 20 mg, or 40 mg tablets; - may be used alone or in combination with thiazide diuretics.