Marisa Holubar, MD MS FIDSA
marisa-holubar.bsky.social
Marisa Holubar, MD MS FIDSA
@marisa-holubar.bsky.social
Antimicrobial Stewardship MD @stanfordasp.bsky.social, Clinical Professor of ID @ Stanford University School of Medicine
https://med.stanford.edu/bugsanddrugs.html
Reposted by Marisa Holubar, MD MS FIDSA
Here’s a short skeetorial to raise awareness about the surprisingly high sodium content in some IV antibiotics...clinically important for patients with CHF. Judicious use matters!💧🧂 #emimcc #medsky #EMsky #IDsky #pharmsky #AMSky #FOAMed
a man wearing sunglasses and a white t-shirt is holding something in his hands .
ALT: a man wearing sunglasses and a white t-shirt is holding something in his hands .
media.tenor.com
December 8, 2025 at 9:28 AM
Reposted by Marisa Holubar, MD MS FIDSA
Welcome to our 2026 Transplant and Immunocompromised Host ID fellows! We’re glad to have them join the Stanford ID community and continue their training in this specialized area of infectious diseases!

#StanfordID #InfectiousDiseases
December 5, 2025 at 9:20 PM
Reposted by Marisa Holubar, MD MS FIDSA
🆕⚡ A Temporary Rift or a Permanent Split? Why Didn’t IDSA Endorse the CAP Guidelines 2025 Update?
In 2025 IDSA disagreed because the new guidelines recommend routine antibiotics for viral-positive outpatients with comorbidities & inpatients with nonsevere CAP #IDSky
academic.oup.com/cid/article-...
Infectious Diseases Society of America (IDSA) Position Statement: Why IDSA Did Not Endorse the Community-Acquired Pneumonia Guidelines 2025 Update
The Infectious Diseases Society of America (IDSA) did not endorse updated community-acquired pneumonia guidelines because they recommend antibiotics for pa
academic.oup.com
December 4, 2025 at 2:19 PM
Reposted by Marisa Holubar, MD MS FIDSA
Led by our Steven Doerstling, Lina Meng, and Marisa Holubar, ABX Pearls delivers quick, practical stewardship tips for busy clinicians. Most respondents read the weekly emails and shared that the pearls strengthened real-time decision making and confidence.
November 25, 2025 at 12:47 AM
Reposted by Marisa Holubar, MD MS FIDSA
Medical Grand Rounds about Antimicrobial Stewardship by our new Chief of ID

#stewardship
@nuintmed.bsky.social
December 3, 2025 at 6:11 PM
Reposted by Marisa Holubar, MD MS FIDSA
🆕🔥State-of-the-Art Review with 🌟s @trubianojason.bsky.social : Antibiotic Allergy—A Multidisciplinary Approach to Delabeling #idsky
url: academic.oup.com/cid/article/...
November 6, 2025 at 8:09 PM
Reposted by Marisa Holubar, MD MS FIDSA
🌟 ABX Pearl of the Day:

❓ Q: Should I add vancomycin for severe mucositis in my patient with persistent neutropenic fever (NF) of unknown etiology? 🤔 Currently on cefepime & stable. Let’s dive in! 👇

#IDsky #medsky #meded #pharmsky #skyRX #AMSsky
November 5, 2025 at 5:38 PM
Reposted by Marisa Holubar, MD MS FIDSA
IV fosfo finally FDA approved in US for cUTI d/t E. coli or Kleb pneumo.
-How much will it cost?
-Folks willing to use it for Kleb (or other Enterobacterales) in the absence of CLSI BPs?
-Dose: 6G IV q8h…Tolerability in real-world? 🤔
Lots of questions to consider….
#IDSky #AMSsky
🔥Meitheal Pharmaceuticals Receives Approval from the US FDA for CONTEPO™ (fosfomycin) for injection in Patients ≥ 18 Years Having Complicated Urinary Tract Infections (cUTI),Including Acute Pyelonephritis🔥#idsky
www.businesswire.com/news/home/20...
November 5, 2025 at 4:57 PM
Reposted by Marisa Holubar, MD MS FIDSA
SHEA is proud to offer several scholarships to support training and professional development in healthcare epidemiology, infection prevention, antibiotic stewardship, & public health.

Apply for a scholarship to SHEA Spring by December 12th, 2025 at 11:59pm ET!

For more information: bit.ly/49zQ7Du
November 4, 2025 at 8:26 PM
Reposted by Marisa Holubar, MD MS FIDSA
November 4, 2025 at 1:20 AM
Reposted by Marisa Holubar, MD MS FIDSA
November 4, 2025 at 1:20 AM
Reposted by Marisa Holubar, MD MS FIDSA
🎃 Happy Halloween from Antarctica! 🧊

Throwback to 2019 when Dr. Julie Parsonnet and Dr. Dean Winslow celebrated Halloween at McMurdo Station while serving as the station doctors. Their costumes? Neisseria gonorrhoeae, also known as "the clap."

#StanfordMedicine #Halloween
October 31, 2025 at 9:41 PM
Reposted by Marisa Holubar, MD MS FIDSA
We’re thrilled to welcome Dr. Paul Bollyky, MD, DPhil, as the new Division Chief of Infectious Diseases and Geographic Medicine at Stanford Medicine.

Dr. Bollyky has been a dedicated member of our division, bringing deep expertise and a vision for advancing infectious disease research and care.
October 31, 2025 at 10:32 PM
Reposted by Marisa Holubar, MD MS FIDSA
ID Week 2025 was a blast! 🎉

Our Stanford ID crew had a great time connecting, learning, presenting research, and tackling the Out-BREAK escape room together. Grateful for the collaboration, curiosity, and fun that made this week one to remember.

#IDWeek #InfectiousDiseases #StanfordID
November 4, 2025 at 1:20 AM
Reposted by Marisa Holubar, MD MS FIDSA
Reposted by Marisa Holubar, MD MS FIDSA
🌟 ABX Pearl of the Day:

❓ Q: Treating HAP/VAP? 🤔 Can we go shorter than 7 days?

💡A: Yes! While 7 days is the norm, evidence supports shorter courses in specific cases. Let’s break it down! 👇

#IDsky #medsky #meded #pharmsky #skyRX #AMSsky
October 29, 2025 at 7:07 PM
Reposted by Marisa Holubar, MD MS FIDSA
💊 Denver Health researchers tested Take 5, an intervention promoting five-day antibiotic courses for common infections at two urgent-care sites.
✅ 5-day prescriptions rose without higher return visits or hospitalizations.

pubmed.ncbi.nlm.nih.gov/41018710/
#AntibioticStewardship
October 30, 2025 at 6:18 PM
Reposted by Marisa Holubar, MD MS FIDSA
Save the date! IDWeek 2026 will be held October 21-24, 2026, in Washington, DC.
October 23, 2025 at 12:00 AM
Reposted by Marisa Holubar, MD MS FIDSA
To learn more about opportunities to improve antibiotic use in adults and kids, please join us on Nov 20 at 12:00 noon CST for an enlightening discussion with Drs @tttimbrook.bsky.social, Chanu Rhee, and Jeffrey S. Gerber. CE is available! www.cidrap.umn.edu/antimicrobia...
October 23, 2025 at 8:32 PM
Reposted by Marisa Holubar, MD MS FIDSA
We have TWO opportunities to learn more about unnecessary broad-spectrum antibiotic use.

First up, @cidrap.bsky.social's @ejholmes.bsky.social and Dr. Marnie Peterson led a report that examines the associations between antibiotic spectrum and patient outcomes www.cidrap.umn.edu/antimicrobia...
Report: Narrowing the Focus: Optimizing Antibiotic Spectrum to Improve Patient Outcomes
www.cidrap.umn.edu
October 23, 2025 at 8:28 PM
Reposted by Marisa Holubar, MD MS FIDSA
Come check out our work at #IDweek2025
October 21, 2025 at 1:06 AM
Reposted by Marisa Holubar, MD MS FIDSA
🌟 ABX Pearl of the Day:

❓ Q: Why does the lab mention when a GNR (gram-negative rod) is “lactose fermenting”?

#IDsky #medsky #meded #pharmsky #skyRX #AMSsky
October 23, 2025 at 5:51 PM
Reposted by Marisa Holubar, MD MS FIDSA
📚 References:
Lipsky et al, PMID: 37779457
Senneville et al, IWGDF/IDSA Guidelines on the Diagnosis and Treatment of Diabetes-related Foot Infections (IWGDF/IDSA 2023), PMID: 37779457
October 15, 2025 at 3:57 PM
Reposted by Marisa Holubar, MD MS FIDSA
Shout out to sustainability leaders at Harbor-UCLA Pam Lee, MD and Gary Fong, PharmD with the launching of an Antibiotic Waste Calculator (ecorxchoice.com?page=home) as a innovative solution to support antibiotic stewardship and sustainability!
See recent newsletter @sidpharm.bsky.social

#IDSky
October 15, 2025 at 6:55 PM
Reposted by Marisa Holubar, MD MS FIDSA
Should vancomycin be replaced in MRSA guidelines? Should ceftobiprole take ceftaroline’s place for persistent staphylococcal bacteremia? Watch #IDWeek2025 attendees, including rachelbpharmd.bsky.social, debate the future of S. aureus management.

Register for IDWeek: idweek.org/registration
September 23, 2025 at 9:15 PM