David L. Purtle, DO



Dr. David Purtle is a Geriatric Medicine physician currently practicing in Austin, Texas.  He is a Summa Cum Laude graduate in Microbiology from Texas Tech University, where he received the Texas Tech University Department of Biological Sciences Outstanding Graduate Award.  He was a Howard Hughes Medical Institute Research Fellow, being involved in studying both HIV and the bacterial biophysical properties of ATP-synthase.  He later went on to earn a Doctor in Medicine from Texas Tech University Health Sciences Center, where he also received the Jacquelin Hall-Werner Award in Humanities from the Department of Internal Medicine.  He is currently a Board Certified Family Medicine physician, having completed his residency at Christus Spohn Family Medicine Residency Program in Corpus Christi, Texas and later a Fellowship in Geriatric Medicine.  Prior to moving to Austin, Texas in 2017, he was named “Best of 2017 San Antonio Doctors” by San Antonio Scene Magazine in both Family Medicine and Geriatric Medicine. 

Infectious Diseases in the Geriatric Population

Older adults often present without typical signs and symptoms of infection. Join Dr. David Purtle to explore infectious diseases that commonly affect the elderly and learn how you can better educate your geriatric patients on prevention. 


1.Gain a better understanding of how age plays a role in predisposition to infection

2. Know current influenza management and prevention strategies in the aging population

3. Gain insight into American Geriatric Society recommendations for UTI management in both male and female geriatric patients 

4. Recognize and discuss emerging infectious diseases and how they relate to the geriatric community

5. Become familiar with the management of Fever of Unknown Origin in geriatric patients

6. Know the dangers of emerging antibiotic resistance in the geriatric population