We herein present three consecutive cases of nummular headache treated with Neurotropin (NTP). Case 1: A 71-year-old man developed a headache in a circumscribed area of the left parietal region. Treatment with NTP resolved the pain after three months. Case 2: A 57-year-old woman developed bifocal pain in both temporal regions. NTP therapy slightly relieved the pain, although the headache remained. Case 3: A 39-year-old man developed bifocal pain the left temporal region. Treatment with NTP resolved the pain after five days. The present results suggest that NTP may be effective for treating patients with nummular headaches.