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Diagnostic clues

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • more than one person living in house affected;
  • symptomatic improvement when away from house e.g. whilst on holiday.
  • symptoms worse in winter when heating in use;
  • symptoms worse when cooker being used;

Signs that may be present include:

  • black sooty marks on wall around fires, boilers, stoves;
  • black sooty marks on gas fire radiants;
  • gas appliances burning with yellow flames rather than blue;
  • accumulatioon of smoke in rooms due to faulty flues; it is not possible to smell carbon monoxide but you can smell other combustion products.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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