Differential Diagnosis for Numbness in the Lower Left Lip
- Single most likely diagnosis
- Trauma or injury to the lower lip: This is the most likely cause of numbness in the lower left lip, as it can result from a blow to the face, a fall, or other forms of physical trauma that damage the nerves.
- Other Likely diagnoses
- Dental problems (e.g., abscess, infection): Dental issues can cause numbness or tingling in the lip due to the proximity of the teeth and gums to the nerves that supply the lip.
- Nutritional deficiencies (e.g., vitamin B12 deficiency): Certain nutritional deficiencies can cause numbness or tingling sensations in various parts of the body, including the lips.
- Multiple sclerosis: This chronic autoimmune disease can cause numbness or tingling sensations in different parts of the body, including the face and lips.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Stroke or transient ischemic attack (TIA): Although less common, numbness in one part of the face can be a symptom of a stroke or TIA, which requires immediate medical attention.
- Lyme disease: In rare cases, Lyme disease can cause numbness or tingling sensations in the face, including the lips.
- Sjögren's syndrome: This autoimmune disorder can cause numbness or tingling sensations in the face, among other symptoms.
- Rare diagnoses
- Sarcoidosis: This rare disease can cause numbness or tingling sensations in various parts of the body, including the face and lips.
- Leprosy: Also known as Hansen's disease, leprosy can cause numbness or tingling sensations in the skin, including the face and lips.
- Trigeminal neuralgia: This rare condition affects the trigeminal nerve, which supplies sensation to the face, and can cause numbness, tingling, or pain in the lips and other parts of the face.