 [ Symptoms ] should i worry if an injection site feels hot red and swollen after 2 days [ Disease ] you are likely bleeding and re bleeding from the same nasal site this may need a quick and easy chemical cauterization of the bleeding site if your doctor can find it most of the time this will be quite evident yes it is appropriate for you to see your doctor do some internet research on the proper way to control a nosebleed many people do it incorrectly are you taking aspirin or any other blood thinning medications are you bruising or bleeding in other areas if so your doctor can order a few lab tests to make sure everything is fine