Muscle spasms/rigidity 5 days on Cymbalta | Figure 1

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Muscle spasms/rigidity 5 days on Cymbalta

25yo male Dx'd with bipolar disorder, prescribed 30mg Cymbalta. Pt reports on day 5: tightness in chest, extreme muscle rigidity in left arm, and hand tremors. Pt's wife reported he had a "black out spell" and full body tremors. Upon assessment pt reports continuing weakness and tingling sensations in left arm, and while he retains ability of movement in it, it feels "tight" at rest. No prior history of movement disorders. Pt is phobic of hospitals and staff, and refuses to come in "unless absolutely necessary."

What would your first move be? Do you believe this to be a side effect from the Cymbalta?

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