Can sinusitis cause blurry vision, bad breath, dizziness, & headaches?

Yes: All the above symptoms can be caused by a sinus infection. See your md if your condition isn't improving. Sometimes antibiotics need to be prescribed.

All seen with proble: Bad breath can come from sinus mucous and swelling of muscle from this can cause headache.

Yes: Sinusitis can cause blurry vision, bad breath, dizziness, and headaches. It should be diagnosed early by ENT or dentist, where antimicrobial therapy should be prescribed.