Throckmorton a general practitioner in the early 1900s, who practiced medicine with her father in an office in Chariton after her graduation from medical school (1907–19). During her medical practice in Chariton, Throckmorton took an active part in infant welfare, serving for ten years as judge in the Better Babies conference at the
Iowa State Fair. and gave a lecture to the women of that city on subjects dealing with a higher standard of social morality at the board of trade room. She represented the State of
Iowa in October of that year at the
International Conference of Women Physicians in session at the national headquarters of the
Young Women's Christian Association in
New York City. She was the lecturer in charge of women's work of the Iowa State Board of Health and in going to the conference received credentials signed by
Governor William L. Harding. Throckmorton left New York in response to a telegram from
Surgeon General Rupert Blue of the U.S. Public Health Service, requesting her to go to
North Dakota to address the State Federation of Women's Clubs in session in
Grand Forks. Later that year, she addressed the
American Public Health Association in
New Orleans, and the Southern Medical Association in its conference at
Asheville, North Carolina. At the Southern Medical Association meeting, Throckmorton addressed the clothing worn by women as being not only indecent, but unhealthy as well. she ridiculed high heels on shoes, not only because of the fact they ruin the feet, but also contribute to many other bodily ills. Throckmorton conducted a "keeping fit" campaign among the young women and girls of
Sioux City, Iowa in April 1920. Taking the position that women crave advice, posture, dress, bathing, rouge, high heels and suitable clothes for school were among the subjects discussed by the doctor before high school groups. Motherhood and fatherhood and social relationships were also subjects included in her schedule of lectures. She received an appointment to deliver her lecture on "Fashions and Public Health" before the Brussels congress of the Royal Institute of Public Health under the patronage of King George, Queen Mary, the Prince of Wales and Albert, King of the Belgians in
Brussels, on May 20, 1920. That year, she served as vice-president of the Royal Institute. In 1924, in
Davenport, Iowa and vicinity, she gave a series of lectures on the pictures "Where Life Begins" and "The End of the Road". From 1929, she served as the Iowa State Medical librarian for nearly 34 years. For the Iowa Federation of Women's Clubs, she served for many years as chair of social education. In the Iowa State Medical Society, she served continuously as chair of the committee on health and public instruction; she was a life member of the society. She was president of the State Society of Iowa Medical Women in 1918. ==Personal life==