Colin H. Chalk MD CM FRCPC


Guillain-Barré Syndrome

What is Guillain-Barré syndrome? Guillain-Barré syndrome (say “ghee-YAN bah-RAY”) is a problem with your nervous system. It causes muscle weakness, loss of reflexes, and numbness or tingling in your arms, legs, face, and other parts of your body. This rare condition can cause paralysis and lead to death. But most people…

Cluster Headaches

Cluster headaches are recurring headaches that occur in groups or cycles. The headaches appear suddenly and cause severe, debilitating pain on one side of the head, along with a watery eye and nasal congestion on the affected side of the head. The cause of cluster headaches is unknown. Although there is no cure for…

Bell’s Palsy

Bell’s palsy causes paralysis or weakness of the muscles on one side of the face. It results from facial nerve paralysis that causes the affected side of the face to appear flat, expressionless, or droopy. Taste sensation and tear or saliva production can also be affected.

Bell’s Palsy

What is Bell’s palsy? Bell’s palsy is a paralysis or weakness of the muscles on one side of your face. Damage to the facial nerve that controls muscles on one side of the face causes that side of your face to droop . The nerve damage may also affect your sense of taste and how you make tears and saliva. This condition…

Guillain-Barré Syndrome

What is Guillain-Barré syndrome? Guillain-Barré syndrome (say “ghee-YAN bah-RAY”) is a problem with your nervous system. It causes muscle weakness, loss of reflexes, and numbness or tingling in your arms, legs, face, and other parts of your body. This rare condition can cause paralysis and lead to death. But most people…