| | Healthcare Industry | Medical Billing What does the medical abbreviation 25 mg 1 dd mean? 25 mg 1 dd stands for 25 milligrams once a day. It is a common medical abbreviation used to prescribe medication dosages. Medical Billing - Related Articles How to Desalinate Seawater When Stranded on a Desert Island ADHD & Language Impairments Gallstones and Gallbladder Health: What to Know and Life After Removal What Are the Causes of Meningiomas? The Effects of Candida How do diets affect people emotionally? Fly Control Techniques