However, certain findings can suggest the disorder: aphthous stomatitis, pharyngitis and adenitis (PFAPA syndrome); intermittent headaches with runny nose or congestion (sinusitis); weight loss, high-risk exposure, and night sweats (tuberculosis); weight loss or difficulty gaining weight, heart palpitations, and sweating (hyperthyroidism); and weight loss, anorexia, and night sweats (cancer).