A 35-year-old female presents with difficulty in chewing
her food, dysarthria, dysphonia, dysphagia and regurgitation of food through
her nose. On examination there is ptosis on sustained upward gaze.
This condition may be induced by:
a) Suxamethonium
b)
Beta-blockers
c)
Aminoglycoside antibiotics
d)
Penicillamine
e)
Anticonvulsants
Answer: d)
Penicillamine may occasionally induce myasthenia gravis.
The other drugs worsen myasthenia gravis
Revision Tip
Revise myasthenia gravis KEYS to
SUCCESS in Medicine page 478-480