About
Bio
Dr. Katzenstein completed his undergraduate and medical degrees as well as a residency in Internal Medicine and Fellowship training in Infectious Diseases at the University of California San Diego. He continued fellowship training in virology and Infectious Diseases with Dr. Colin Jordan at U.C. Davis, moving to the University of Minnesota to a faculty position in Infectious Disease in 1984. He was a visiting lecturer for two years in the Departments of Medical Microbiology and Medicine at the University University of Zimbabwe as the AIDS epidemic was first recognized in Southern Africa. In 1987, he returned to the U.S. to take up a senior research fellowship at the Center for Biologics Evaluation and Research (CBER) at the Food and Drug Administration in the Vaccine Branch, evaluating early candidate HIV Vaccines and diagnostics. Dr. Katzenstein returned to California in 1989 to work with Dr. Thomas Merigan and the AIDS Clinical Trials Group. He continues an active collaboration with his colleagues in Zimbabwe and Southern Africa in prevention, perinatal transmission and vaccine research. At Stanford, Dr. Katzenstein participates in studies of multiple drugs and drug combinations in Clinical Trials in the U.S. and Europe and is the principal investigator for Stanford’s Virology Service Laboratory in the center for AIDS Research. At Stanford he teaches an undergraduate course in Global AIDS, attends on the Infectious Disease service and supervises both laboratory and clinical fellows conducting AIDS Research. He remains actively involved in studies of HIV infection in Zimbabwe, spending 2-3 months a year in Southern Africa.
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Infectious Disease
Languages spoken
English
Doctor Q&A
6 Answers
0 Agrees
The number of answers this doctor has agreed with.
A 19-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
Could be a long time: I'm not a believer in "digestive candida overgrowth" nor taking antifungals for this condition. But might suggest yogurt.
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
A 28-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
Wait for what ?: I'm not sure that keflex is needed for "globus" assumeing this is difficulty swallowing and a sense of choking ?
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
Not really: BV does not cause bleeding or spotting, but both are common conditions so they could occur at the same time.
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
A 18-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
Not boyfriend: The problem of yest infections is not usually related to a partner...it's not an STD (sexually transmited disease) but rather an overgrowth of your ow... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
A 31-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
No: It's important to ask more about the pressure in your pelvis...is this the only symptom which leads you to be concerned ?
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
A 23-year-old female asked:

Dr. David Katzensteinanswered
Infectious Disease 46 years experience
No: BV is not transmissible nor treatable in the partner...
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
2
Recommendations
9
Thank you notes
HealthTap member
Mar 31, 2015
Dr. Katzenstein is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Katzenstein is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! Dr thought a sinus infection is causing the feeling.
HealthTap member
Thank you. The pressure felt in my uterus. But preg test was negative
HealthTap member
Your answer was very helpful! Thanks :)
Education & Training
Medical/Graduate school
UC San Diego School of Medicine, CA
Graduated 1977MD
Residency
UNIVERSITY OF CALIFORNIA SAN DIEGO MEDICAL CENTER
Completed 1980
Awards
Doris Duke Distinguished Clinical Scientist Award 2000-2005
Affiliations
Stanford University
Infectious Disease Society of America
American Society for Microbiology
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