Hi, KRP, and welcome! I'm glad you found us and joined in. I have never taken gabapentin. It's the generic for neurontin. These do sound like possible side affects of the medication. Your pharmacist would know, as well as your doctor.
I use ibuprofen with food, extra strength Tylenol, malic acid/magnesium supplements and vitamin D3 supplements for my pain and fatigue.
Be sure to check out Fibro 101...the first thread on the forum. There are links to good info about fibromyalgia and you will learn a lot. There are links about the malic acid/magnesium supplements and vitamin D there too because many with fibro are deficient in some of these vitamins and nutrients.
Do keep moving. Exerise is good for this illnesses but usually it's gentle exercise like walking and swimming. But, if you can do the things you love and not have more pain, then go for it! Everyone's body reacts differently.
I'm happy you are here. Don't hesitate to ask questions because we are here to help you. Hope to hear more from you soon.
Sherrine