What are the symptoms of MCS?
MCS may be the only ailment in existence in which the patient defines both the cause and the manifestations of his or her own condition. Virtually any symptom has been attributed to the syndrome, but the symptoms generally occur in one of three categories: central nervous system symptoms, respiratory and mucosal irritation, or gastrointestinal problems. People with MCS have reported a wide range of symptoms, including: • Headache • Fatigue • Dizziness • Nausea • Irritability • Confusion • Difficulty concentrating • Intolerance to heat or cold • Earache • Stuffy head or congestion • Itching • Sneezing • Sore throat • Memory problems • Breathing problems • Changes in heart rhythm • Chest pain • Muscle pain and/or stiffness • Bloating or gas • Diarrhea • Skin rash or hives • Mood changes How common is MCS? Many health care practitioners do not recognize MCS as a disorder and, therefore, do not make a diagnosis of MCS. For this reason, it is not possible to assess how many people actually
