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Published on: 7/14/2026
What could cause numbness on my right cheek?
Numbness in the right cheek is often caused by nerve-related issues, sinus infections, or, in rare cases, tumors that press on the facial nerves. The trigeminal nerve, which provides sensation to the face, can be affected by inflammation, injury, or compression, leading to a loss of feeling. Other common causes include dental problems, migraines, Bell's palsy, multiple sclerosis, or stroke. Because right cheek numbness can range from a minor irritation to a sign of a serious neurological condition, identifying the underlying cause is essential for proper treatment.
If you're experiencing cheek numbness, don't guess at the cause. Take a free, instant, online symptom check to get personalized insights based on your specific symptoms and medical history. In just a few minutes, you'll receive AI-powered guidance to help you understand possible causes and decide on the right next steps—whether that means monitoring at home or seeking urgent care.
Reviewed for medical accuracy: 07/14/2026
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Numbness in the cheek can happen for several reasons. One cause is a condition called the "numb cheek-limp lower lid" syndrome, which affects facial nerves and can cause numbness along with other facial changes.
Another potential cause is trigeminal neuralgia from acute sphenoid sinusitis. This occurs when a sinus infection causes pain and numbness by affecting the trigeminal nerve, which is responsible for sensation in the face.
Lastly, an unusual type of tumor called an epidermoid tumor can also lead to numbness. These tumors can grow in areas that affect the nerves in the face, leading to sensations like numbness.
If you experience numbness in your cheek, you can use Ubie's free AI-powered symptom checker to help identify potential causes and determine whether you should consult a healthcare professional for appropriate care.
(References)
Brazis PW, Vogler JB, & Shaw KE. (1991). The "numb cheek-limp lower lid" syndrome. Neurology, 1992387.
Nomura K, Ryu H, Nishizawa S, Yoshimi R, & Oida I. (2021). Trigeminal Neuralgia from Acute Sphenoid Sinusitis. Case reports in neurology, 33790776.
Inoue Y, Ohata K, Nakayama K, Haba T, & Shakudo M. (2001). An unusual middle fossa interdural epidermoid tumor. .... Journal of neurosurgery, 11702885.
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