👉 Chemasthenia is a medical condition characterized by severe muscle weakness and pain, often in the extremities, that occurs after repeated exposure to certain chemicals or toxins. This condition can be caused by exposure to pesticides, industrial chemicals, or other agents that cause irritation, inflammation, or destruction of body tissues. Chemasthenia may also manifest as fatigue, loss of energy, and difficulty with coordination and balance. It is often accompanied by other symptoms such as nausea, vomiting, diarrhea, and dehydration