Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Organic toxic dust syndrome (OTDS)
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Organic toxic dust syndrome (OTDS): a flu-like illness that arises after heavy exposure to organic dust. Symptoms can include fever, chills, dry cough, fatigue, muscle aches, shortness of breath, headaches, and nausea. It has been most commonly described in agricultural workers who inhale dust contaminated with microorganisms. OTDS is not contagious.