Sinus infections are often misdiagnosed as colds or allergies as they share quite a few of the same symptoms. For this reason, it's important to consult your physician if you're unsure so that it can be diagnosed and treated properly.

If you're experiencing any of the following, you may have sinusitis: Common signs and symptoms of sinusitis include:

• Cough.
• Facial pressure around the nose, eyes, and forehead.
• Fever.
• Halitosis (bad breath).