Located in Senrioka, Settsu City, Oosawa Dermatology and Plastic Surgery is a clinic specializing in dermatology and plastic surgery. It examines skin conditions across a wide age range, from young children to the elderly. Main treatments include atopic dermatitis, insect bites, acne, chilblains, impetigo, warts, corns, calluses, water warts, herpes/shingles, seborrheic dermatitis, contact dermatitis, skin growths, moles, abrasions, cuts, post-inflammatory hyperpigmentation, age spots, melasma, ingrown nails, paronychia, lice, psoriasis, palmoplantar pustulosis, alopecia areata, rosacea, vitiligo, itching, dry skin, hand eczema, hay fever, and many others. For treatment-resistant atopic dermatitis, palmoplantar pustulosis, psoriasis vulgaris, and vitiligo vulgaris, ultraviolet therapy using the TARNAB target-type narrow-band UVB device is available. Sublingual immunotherapy is also performed for cedar pollen allergy and allergic rhinitis caused by mites. For wart treatment, in addition to liquid nitrogen therapy, topical application of spearmint plaster and oral medication are also possible. Referrals to university and municipal hospitals are also made for cases judged to be severe.