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Also carries risks of extreme swelling, bruising, necrosis and ulceration or at the injection site.—Cindy Krischer Goodman, Sun Sentinel, 5 Mar. 2026 Records show that the dog was brought to the veterinarian on Aug. 7, 2025 for painful crusted eyelids, deep corneal abrasions, inflammation, severe ulceration and scabs.—Staff Report, Hartford Courant, 27 Feb. 2026 Calicivirus - sneezing, nasal discharge, ulceration of the surface of the nose, conjunctivitis (eye inflammation), eye discharge, ulcers on the lip, tongue or elsewhere in the mouth, fever, lethargy, dehydration, pneumonia, joint inflammation or signs related to blood vessel wall inflammation.—Noe Padilla, IndyStar, 25 Sep. 2025 Finger or toe ulcerations Can affect lungs, heart and GI tract in severe situations
How Are Autoimmune Skin Conditions Diagnosed?—Elizabeth Yuko, Flow Space, 7 July 2025 Both the ulceration and kidney failure can be fatal; dogs should never be given ibuprofen.—Marni Rose McFall, MSNBC Newsweek, 2 July 2025 One chemical included hexavalent chromium, a carcinogen that can lead to nasal and sinus cancers, kidney and liver damage, nasal and skin irritation and ulceration, and eye irritation and damage, according to the National Institute of Environmental Health Sciences.—Maya Wilkins, Chicago Tribune, 28 May 2025 However, eye exposure to hydrogen peroxide in a more concentrated solution may result in corneal ulceration or perforation.11
Skin irritation and temporary skin bleaching: Skin contact with hydrogen peroxide can cause irritation and temporary bleaching of your skin and hair.—Anna Giorgi, Verywell Health, 12 May 2025 The venom can cause necrotizing fasciitis, where tissue around the bite dies, leading to ulceration or necrosis.—Tiffany Acosta, AZCentral.com, 4 Apr. 2025