Multiple chemical sensitivity

Multiple chemical sensitivity (MCS), also known as idiopathic environmental intolerances (IEI), is a disputed chronic condition characterized by symptoms that the affected person attributes to low-level exposures to commonly used chemicals. Symptoms may include fatigue, headache s, nausea, and dizziness.

Multiple chemical sensitivity in ME/CFS
Multiple Chemical Sensitivity (MCS) is one of several illnesses or conditions experienced alongside of ME/CFS and fibromyalgia. The International Consensus Criteria for ME recognizes several kinds of sensitivity including odor sensitivity as neurosensory symptoms. Chemical sensitivities are recognized under Immune, Gastrointestinal and Genitourinary symptoms in the International Consensus Criteria for ME. The Canadian Consensus Criteria recognizes new sensitivities to medication and food as Immune systemsymptoms.

Learn more

 * 2010, Allergies and Multiple Chemical Sensitivity in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
 * 2016, Multiple Chemical Sensitivity in Fibromyalgia, ME/CFS
 * 2016, Multiple Chemical Sensitivity