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What causes irritable mood and stuffy nose? 3 possible conditions

See a list of possible causes in order from the most common to the least.


Sinus Infections (Sinusitis)

A sinus infection causes the sinuses and nasal passages to become inflamed. Facial swelling is a common sign of this type of infection.

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This condition is considered a medical emergency. Urgent care may be required.

Encephalitis is an inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can cause encephalitis.

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Cluster Headaches

Cluster headaches are severely painful headaches that occur in cycles. They start suddenly and occur on one side of the head. Additional symptoms include face and eye redness and nausea.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.