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What causes sinusitis?

Dr. Jeanne Morrison, PhD
Family Practitioner

Sinusitis is frequently caused by a common cold. Other causes include a bacterial or fungal infection. For some people, allergies lead to sinusitis. If your sinusitis is caused by a bacterial infection, your doctor may prescribe antibiotics to treat the infection.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.