Andrew Fergus began his medical studies at King's College, London. In 1845 he gained a license to practice medicine by the Royal College of Surgeons of England. He became a Fellow of the Royal College of Physicians and Surgeons of Glasgow in 1851 and received his MD from the University of Glasgow in 1866.

Fergus was president of the College from 1874 to 1877, and again from 1883 to 1886. ]]>