Is a smog (smoke and fog) enema safe in a neutropenic patient?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: June 21, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Research

No, a smog (smoke and fog) enema is not safe in a neutropenic patient and should be avoided. Neutropenic patients have dangerously low levels of neutrophils, which are white blood cells crucial for fighting infections. These patients are highly susceptible to infections, and introducing smoke or fog into the rectum could introduce harmful pathogens, irritants, or toxins into an already compromised system. The mucosal lining of the rectum could be damaged by such substances, creating entry points for bacteria. Additionally, smoke contains numerous toxic compounds including carbon monoxide, particulate matter, and various chemicals that could be absorbed systemically and cause further complications. Any procedure involving the introduction of non-sterile substances into the body of a neutropenic patient poses significant infection risks, as highlighted by the high mortality associated with bloodstream infections in neutropenic cancer patients 1.

Instead, neutropenic patients should receive only medically necessary, evidence-based treatments under strict infection control protocols. If the patient is experiencing gastrointestinal issues, they should consult with their healthcare provider for appropriate medical interventions that won't compromise their already vulnerable immune status. The risk of invasive fungal disease is also a concern in neutropenic patients, particularly those with radiologically assessed enteritis 2. Therefore, it is essential to prioritize evidence-based treatments and avoid any procedures that could introduce additional infection risks.

Key considerations for managing neutropenic patients include:

  • Preventing infections through strict infection control protocols
  • Providing prompt empirical antibiotic therapy for fever during neutropenia 1
  • Avoiding non-sterile substances and procedures that could introduce infection risks
  • Monitoring for signs of infection and invasive fungal disease, particularly in patients with radiologically assessed enteritis 2
  • Consulting with healthcare providers for appropriate medical interventions for gastrointestinal issues.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.