Januvia Side Effects: Thinning hair, muscle aches, tiredness. http://www.medications.com/effect/view/24027 Thinning hair, muscle aches, tiredness. Glad to see I was not only one with muscles aches. I thought I ha Mon, 26 Jan 2009 11:53:06 -0500 http://www.medications.com/effect/view/24027?item=16396 Glad to see I was not only one with muscles aches. I thought I had injured my shoulder, but as it persistented, I looked at your site and noticed many people with same problem. I quit taking Januvia three days ago and the pain is dissapating. Also did anyo http://www.medications.com/effect/view/24027?item=16396