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CLL Support Association
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Muscle Spasms - Not dehydrated

Post round five FCR with Neulasta (this week). I am experiencing moderate spasms / muscular seizures. Has anyone had similar experiences? Suggestions for overcoming these? At their worse, they actually pulse in intensity with the beating of my heart – yes, the intensity worsens with the beating of my heart. Weirdest thing I’ve ever experienced.

5 Replies

Paul, where are the spasms occuring? It sounds like pulsing spasms. If it is in the upper abdominal area, it could be irregular heart beat. The heart is after all a muscle.

I hope you have contacted your CLL specialist to get advice. It does need medical attention to rule out heart issues.


Lower back to the base of my skull at the worst. Once it presented in my upper chest - but accross both sides.

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Here are side effects of Neulasta site that may help you. AND, your best bet with continuation of pain is to contact your Dr for reassurance.

Neulasta (pegfilgrastim) Drug Side Effects, Interactions, and ...


What are the possible side effects of pegfilgrastim (Neulasta)? sudden or severe pain in your left upper stomach spreading up to your shoulder; severe dizziness, skin rash, or flushing (warmth, redness, or tingly feeling); rapid breathing or feeling short of breath;

‎What are the possible side ... - ‎What should I discuss with ... - ‎How should I use ...


Thank you very much


Hello, I had a few episodes spasms in my legs, very painful. Also do not know what is that.


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