Hayakawa Internal Medicine Clinic, located in Yoshida-cho, Haibara-gun, Shizuoka Prefecture, is a medical facility providing internal medicine services by a team of physicians specializing in general internal medicine, respiratory medicine, and allergy. With treatment hours from 9:00 to 12:30 and 15:00 to 18:30, the clinic is designated as a medical institution for fever treatment. An allergy specialist is on staff, offering sublingual immunotherapy and medication treatment for cedar pollen and dust mite allergies. In addition to internal medicine, respiratory medicine, and allergy treatment for elementary school students and above, sublingual immunotherapy is also available for preschoolers who can inhale or take medication. Smoking cessation clinic and optional vaccinations are also available, and the facility is equipped with English support, credit cards and electronic payments, parking, and barrier-free accessibility. Same-day reservations for the fever clinic require phone booking from 8:30 to 10:00, and an online qualification verification system is also implemented.