Drooping of the Corner of the Mouth

What is Mouth Drooping?

Drooping of one side of the mouth occurs when facial muscles become weak due to nerve dysfunction. Patients may struggle to smile symmetrically or retain food and liquids while eating.

Common Causes

  • Bell's Palsy
  • Stroke
  • Facial nerve injury
  • Brain tumors
  • Neurological disorders 

Investigations

  • Neurological examination
  • MRI Brain
  • CT Brain
  • Facial nerve testing 

Treatment Options

  • Steroids
  • Facial exercises
  • Speech therapy
  • Treatment of underlying cause 

Red Flags

  • Limb weakness
  • Speech difficulty
  • Sudden onset
  • Severe headache 

FAQs

Is mouth drooping always a stroke?

No, but stroke must be ruled out.

Can Bell's Palsy cause this symptom?

Yes.

Can physiotherapy help?

Often, yes.

When to Consult:

Early diagnosis helps distinguish Bell's Palsy from stroke and guides appropriate treatment.