Sinus Infection Medical Information

Sinus infection also called sinusitis, is an inflammation of the air cavities in the face. Sinusitis can be caused by allergens, infection, or chemical irritant. Most sinus infections are viral, but some bacteria may cause sinus infections. Sinus infections caused by bacteria (Acute bacterial rhinosinusitis) are usually treated with antibiotics. Antibiotics is recommended for those who are unable to follow-up with a doctor, or those whose symptoms like nasal congestion fail to improve, or worsen within seven days. 

Signs and Symptoms

  • Runny nose
  • Stuffy nose/ nasal congestion
  • Facial pain or pressure
  • Headache
  • Mucus dripping down the throat from congestion (post nasal drip)
  • Sore throat
  • Cough
  • Bad breath

Treatment Options

First Choice

·         Amoxicillin

·         Amoxicillin-clavulanate (Augmentin)


Second choice - For those who are allergic or unable to tolerate the options listed above:

·         Doxycycline

·         Levaquin

·         Moxifloxacin

Note- Azithromycin or Trimethoprim-sulfamethoxazole are not recommended because of high rates of resistance.