paratonic
/ˌpærəˈtɒnɪk/ or /ˌpærəˈtɑːnɪk/Definitions
1. adjective
relating to or being a symptom that occurs simultaneously with another symptom, especially in a medical context
“The patient’s paratonic symptoms made it difficult for the doctor to diagnose the underlying condition.”
2. noun
a symptom that occurs simultaneously with another symptom
“The paratonic manifestations of the disease were alarming and required immediate attention.”