Will the fatigue, muscle cramps, and headache from the first Octagam (IVIG) dose last into tomorrow?
It's very common to feel wiped out after a first IVIG infusion — so what's being experienced is not unusual at all. The good news is that many people find these side effects ease up after the first dose or two as the body Show Full Answer
Will the fatigue, muscle cramps, and headache from the first Octagam (IVIG) dose last into tomorrow?
It's very common to feel wiped out after a first IVIG infusion — so what's being experienced is not unusual at all. The good news is that many people find these side effects ease up after the first dose or two as the body adjusts.
Here's what's generally known about these symptoms:
- Fatigue is one of the most common and challenging side effects for people with myeloma, and infusion treatments can intensify it temporarily
- Headaches are a well-known post-infusion reaction and often improve within 24–48 hours
- Muscle cramps can be linked to shifts in fluid or electrolyte levels during infusion
It's quite possible tomorrow will still feel rough, especially after a first dose. Rest, staying well hydrated, and taking it easy can help. That said, it's really worth calling the care team to let them know about these symptoms. They may be able to adjust the infusion rate or pre-medicate before future doses to make the experience more manageable. Don't just push through in silence — this is exactly the kind of feedback doctors need to hear.
October 2
Many people get IVIG and find it very helpful to lower risk of infection. I recall some members of our support group saying the issues resolved.
October 3
Priscilla,
Do they have you on a blood thinner with this drug, since one of the risks is blood clots? We are already at risk for blood clots with MM. I have not heard of anyone getting this drug. Are you having bleeding issues? Are you seeing a MM Specialist?
Paula🌹
October 3
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