Viral infections, complications following surgery, and a range of other medical conditions are also recognized causes of facial nerve paralysis. Experts emphasize that early diagnosis generally improves treatment outcomes, regardless of the underlying cause.
What is facial nerve paralysis?
Facial paralysis occurs when the facial nerve — which controls the muscles on one side of the face — becomes inflamed, compressed, or damaged. The most common form, Bell’s palsy, is often linked to viral infections. The condition can affect anyone, but certain health factors are known to increase vulnerability.
Older adults and people with diabetes or high cholesterol face higher risk
Not everyone faces the same level of risk. Experts identify people with weakened immune systems, older adults, and individuals with underlying conditions such as diabetes or high cholesterol as particularly vulnerable.
These conditions can impair blood circulation and compromise nerve health, meaning that sudden or prolonged exposure to cold air may be more likely to trigger facial nerve inflammation in these groups than in the general population.
For healthy individuals without these risk factors, the concern is described as lower — though the recommendation to avoid sustained direct airflow to the face applies broadly.
Stiffness, ear pain, and twitching: the warning signs to watch for
Facial paralysis often develops suddenly, but some patients do experience early warning signs before obvious weakness appears. Recognizing these signals may allow for faster medical intervention.
According to experts, warning signs can include a feeling of stiffness or tightness around one side of the face, forehead, or eye, mild facial twitching or numbness, and pain around or behind the ear that precedes any visible facial weakness.
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