Klebsiella sp.

Sample type: Stool
3 (High Presence)
A result of 3 (High Presence) for Klebsiella species on a Full GI Panel indicates a significant overgrowth of this bacterium in the gastrointestinal tract. Klebsiella is a type of bacteria that can naturally reside in the human gut without causing harm, but when present in high amounts, it can disrupt the balance of the gut microbiome and potentially lead to health issues. High levels of Klebsiella are associated with various gastrointestinal problems and can be a sign of dysbiosis, an imbalance in the gut flora. This overgrowth can contribute to conditions like irritable bowel syndrome (IBS), infections, and inflammation. To address this, it is important to take actionable steps such as reducing the intake of simple sugars and carbohydrates that feed these bacteria, increasing the consumption of high-fiber foods to promote a healthy gut environment, and considering the use of probiotics to restore a balanced microbiome. Additionally, consulting with a healthcare provider for targeted treatments, which may include specific antibiotics or herbal antimicrobials, can be beneficial in managing the overgrowth and alleviating associated symptoms. Avoiding unnecessary use of antibiotics and maintaining a healthy diet and lifestyle are also crucial in preventing future overgrowth of Klebsiella and supporting overall gut health.

Klebsiella is a genus of non-motile, Gram-negative, oxidase-negative, rod-shaped bacteria with a prominent polysaccharide-based capsule. It is known for causing pneumonia (Klebsiella pneumonia), bloodstream infections, wound or surgical site infections, and meningitis. These infections primarily occur in healthcare settings among patients receiving treatment for other conditions, especially those using devices like ventilators or intravenous catheters, or those on prolonged courses of certain antibiotics. Healthy individuals typically do not contract Klebsiella infections.

Transmission of Klebsiella requires the bacteria to enter the respiratory tract to cause pneumonia or the bloodstream to cause a bloodstream infection. In healthcare settings, it can spread from person to person or, less commonly, through environmental contamination. The bacteria do not spread through the air.

Klebsiella organisms are frequent human pathogens, causing pneumonia, urinary tract infections, septicemia, and soft tissue infections. They are also implicated in the pathogenesis of ankylosing spondylitis and other spondyloarthropathies. Pathogenic varieties of Klebsiella are grouped into two antigenic groups: the O antigen with nine varieties and the K antigen with over 80 varieties. Klebsiella is increasingly reported as a nosocomial infection, second only to E. coli in causing urinary tract infections in women. Klebsiella pneumoniae is an opportunistic pathogen, particularly in older patients with weakened immune systems, causing nosocomial pneumonia, intra-abdominal infections, and intestinal pathology. It resides in the intestinal tract of about 40% of humans and animals. Klebsiella bacteria have increasingly developed antimicrobial resistance, especially to carbapenems. Normally found in the human intestines and stool, Klebsiella does not cause disease in these environments.

Treatment for Klebsiella infections should be based on antibiotic sensitivity results. For those seeking an herbal alternative, the Freedom, Cleanse, Restore protocol is recommended. To prevent Klebsiella infections, avoid exposure to the bacteria via respiratory or blood routes in hospital or healthcare settings.

Klebsiella sp.
Healthmatters dashboard showing biomarker trend graph

Every lab result you’ve ever had, charted and explained.

Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.

Start with my report →
Beyond Klebsiella sp. — 10,000+ markers explained
One Klebsiella sp. result tells you where you are. Your history tells you where you’re heading. Upload your past lab reports and see this marker — and every marker on them —every marker charted against your own lab’s ranges.
Start with this report →
Healthmatters timeline preview showing biomarker trends over time
Clinical Sources & References

All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.

Article Review Log
Written by Healthmatters Editorial Team
Healthmatters Lifetime Plan

Pay $250. Track your health forever

One payment. No renewals. Yours for life.

10,000+ biomarkers explained · trends over time

See other plans →
Secure checkout via Stripe · GDPR & HIPAA
We accept results from any lab
LabCorp Quest Diagnostics Genova Diagnostics DUTCH Test Doctor's Data Vibrant America ZRT Laboratory Cyrex Labs + any other lab

What members are saying

★★★★★ 10,000+ happy members
★★★★★

"Watching my numbers move over the years — instead of forgetting last time's results — completely changed how I manage my health."

Daniel
Member since 2022
★★★★★

"Living across several countries made keeping my lab results organized a real challenge. Healthmatters brought my results from the USA, Spain, and Germany together — 20 years of history, with long-term trends instead of scattered reports."

Ben
Member since 2021 · tracks across countries
★★★★★

"Standard lab ranges are too wide for how I practice — 'normal' isn't optimal. I set my own bands, so a client sees yellow before a marker goes officially out of range. That's the conversation I want to be having."

Dr. Alexandra
Functional medicine · 6 yrs on Pro