Question
Which of the following drugs worsens Myasthenia gravis?
| A. |
Meropenem
|
| B. |
Alpha blocker
|
| C. |
Lignocaine
|
| D. |
Penicillin
|
Show Answer
|
Correct Answer � C
Explanation
|
|
Ans. C Lignocaine
Myasthenia gravis (MG):
-
Myasthenia gravis (MG) is an autoimmune disease causing muscle weakness due to impaired transmission at the neuromuscular junction.
-
MG or a MG-like condition may be triggered or exacerbated by several drugs used for treatment of other diseases.
-
rugs may interfere with the neuromuscular transmission through several mechanisms, either by affecting pre- or postsynaptic ion channels or by affecting acetylcholinesterase.
Drugs Exacerbating Myasthenia Gravis:
-
Aminoglycosides
-
Macrolides
-
Magnesium
-
Curare
-
Local anesthetics
-
Quinine & Quinidine
-
Beta Blockers
-
Botulinum Toxin
-
Penicillamine