[…] present in the primary care setting, NPs must maintain a high index of suspicion when a patient over 60 years of age presents with vague complaints such as headache, weakness, anorexia
[ncbi.nlm.nih.gov]
Symptoms may also include anorexia, weight loss, fatigue, and low-grade fever.
[britannica.com]
peripheral synovitis, arthritis, carpal tunnel syndrome or distal tenosynovitis, as well as non-specific symptoms, such as fatigue, asthenia, malaise, low-grade fever, anorexia
[orpha.net]