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A sudden blast of air or mucus from the mouth and nose from something irritating the nose.

Medicines to control sneezing include decongestants, antihistamines and nasal sprays. Staying away from triggers, such as pollen, can help sneezing caused by allergies.

See a health care professional for:

• No effects from home treatments.
• Worsening symptoms.
• New symptoms, such as fever, chills or sinus pain.