FYI.
Found this online. Hope it helps you.

Tell your doctor or pharmacist if you notice any of the following and they worry you:
dry mouth, mouth ulcers, thirst, bad taste
burping or belching, indigestion, stomach pain, nausea, vomiting,
constipation, diarrhoea, wind (flatulence)
bad breath
loss of appetite, weight loss
headache
trouble sleeping
dream abnormalities
drowsiness
feeling tired or having no energy
sexual problems
dizziness
tremor
blurred vision
feeling anxious, agitated or restless
confusion and attention problems
tingling and numbness of hands, face, mouth and feet
yawning or throat tightness
difficulty urinating (passing water), urinating frequently or needing to urinate at night
irregular heart beat
hot and cold sweats
sore ears, sore throat
ringing in ears
muscle pain, stiffness or twitching
walking problems

Hopefully you have been told about other ways to treat, not just meds? See my bio xx

Hello, i feel shaky sometimes, and it comes from the Fibro. I was on Cumbalta, and it did not help me. I am taking Fibroaid Vitamin . Hope your feeling better.

Have you tried other meds you might tolerate better?

I've always had the shakes, I've always just put it down to the fybo.