 [ Symptoms ] i took sudafed over an hour ago it does not appear to be working what would happen if i took advil cold & sinus  i have a cold and took sudafed over an hour ago which does not seem to be working the package says that you are not suppose to take more than 1 within 24 hours would it be okay if i took an advil cold & sinus in the next couple of hours if i still feel like i do now [ Disease ] although it is completely up to you i would recommend having a comprehensive exam with your general dentist to rule out a periodontal or gum and bone problem then you can see the orthodontist