extreme fatigue, muscle pain and moderate acid reflux

Hello Dr,
The symptoms are:

Mild Acid Reflux: I am eating raw ginger after every meal and that relieves it .
Extreme Weakness:Some of the days i feel so weak that i dont want to come out of bed.
Pain in hands and fore arm: my fingers make a clicking noise when i fold them.
Gas: Upward and downward both.
Pain in my belly sometimes and when there is the discofort I have an urge to for bowel movement.
I am not sure why I am have all kinds of wierd symptoms, got the liver enzyme test done:results normal, thyroid :Normal, Upper GI endoscopy: the result stated that I have mild chronic gastritis.

I will really appreciate if you can help me find the remedy.
It take natu. phos when I get acidity.
We lve in US so we are able to find most of the homeopathic medecations

Thanks for reading the post.