. . . . . . . . . "Tension-type headache (TTH) is the most common primary headache disorder, with a worldwide lifetime prevalence of 46% to 78%. (...) Amitriptyline is recommended as a first-line drug for prophylaxis. (This is an off-label use of amitriptyline)." . . . . . . "adults" . . "2021-08-25T12:27:32.383551"^^ . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCamPJb4SzqpLXn//XJ5dlVfzz6QI+RPmiJTLXF/by2JR7sHMKRsCQDFsYMlq8zGHghOIkjRP9dpLZUtZzUcHt3MXiFKEPo8eGzUe9p+JXKFC8xxkJr94z2vq6IdMf71Iu1GH8SeDAKt/DgYO4zNaw8VuXvxnZRewKZSA+u8zWPVwIDAQAB" . "NOIOaZCHcx5VTp6R/NF3MvZ3dz6EkjC5yQdYowYHAZ1pNgTnox6pRXxdrOrZ28h6yzV7Gtq3cimHkyeUcDrEjlwSoRGRayT68eWvE8IAkwjtXcMg61j7n6zr9l7u77BjTJ9KYed5RxaO74J5SjbEzN0Ulb5RQ3cRl5t5oKvgb7M=" . . "2021-08-25T12:27:32.383551"^^ . . .