A patient is admitted with acute, painful muscle spasms and suffers from intermittent porphyria, an inherited enzyme deficiency. Which of the following muscle relaxants is contraindicated due to the patient's history of porphyria?
A) Baclofen (Lioresal)
B) Carisoprodol (Soma)
C) Diazepam (Valium)
D) Dantrolene (Dantrium)
B
Feedback:
Carisoprodol is used to relieve discomfort from acute, painful musculoskeletal disorders. It is contraindicated in patients with intermittent porphyria. Baclofen is not known to be contraindicated with porphyria. Diazepam is not known to be contraindicated with porphyria. Dantrolene is not known to be contraindicated with porphyria.
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