Myoclonus from Antidepressant
Apr 8, 2004
Dear Dr. Ewald Horwath:
I sincerely hope you have the time and energy to answer this.. I know you're busy. I had a bad reaction to Remeron on Dec. 26, 2003 after 2 1/2 months on 30mg. It was sudden, severe depersonalization. So for about over 2 months now, I have been tapering.. i have become very sensitive to the medication since the bad reaction (withdrawal effects), so I am NOW down to 2.5mg after tapering 0.5mg every 3-4days from the beginning of February, when i was at 10mg. I had constant head throbbing (still do but not as much now), but since going from 3 to 2.5mg, I have had muscle contractions (that literally jump) and smaller trembling of muscles in various, unpredictable areas of my body. I asked a doctor at NYU online and he said it was probably myoclonus, but said maybe I should upp the dose a bit and remain there becasue it may have arisen from lowering... but the thing is.. I've had muscle tremors and shakes for much of the time tapering for 2 months, but it has gotten to be the prime problem in the last few days.. i wake up 3 times a night because the "spasms" happen mainly at night after taking my dose at night, when i'm sleeping or at rest... I really can't say what i should do, but i know all i want to do is get off the medication rather than go back up. Please if you have time help with your thoughts. Thank you very much! My local psychiatrist cannot help me.
Response from Dr. Horwath
Some antidepressants can cause muscle irritability and myoclonus when being tapered. I think the doctor at NYU is right. If a symptom like this develops while tapering the medication, then it's an indication to go back up on the dose and resume the taper at a slower rate. Although you may want to get off of the medicine quickly, it sometimes is not possible to rush. Tapering too quickly may cause more problems.
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