Find information about common, infrequent and rare side effects of Cymbalta Oral. The most common reported side effect from cymbalta was blurred vision, especially on higher doses. Besides blurred vision, constipation and dry mouth were also common. Besides blurred vision, constipation and dry mouth were also common. Ive experienced hair loss as well. I was on a 60mg dose and began to see signs of thinning hair around 12 wks. It isn't a common side effect but it isnt unheard of either. But I take it with Li and Seroquel and Prozac. The only side effect I'm still having is hair loss. It's not dramatic but it's noticeable to me. Note: This document contains side effect information about duloxetine. Some of the dosage forms listed on this page may not apply to the brand name Cymbalta. Hair loss is not actually listed as a minor, major common or uncommon Cymbalta side effect. However, we’re often asked whether to not Cymbalta causes hair loss and it’s a problem we have seen asked on many forums. For whatever reason, it seems that a minority of people are experiencing this issue with Cymbalta. I have recently been on cymbalta for a few months and my hair loss was severe. In the morning my pillow was covered in hair. During the day my hair was constantly dropping. I dreaded washing my hair as the plug hole often became blocked. This side effect was giving me such stress. I stopped taking the meds a month ago but my hair is still falling out The hair is not just a part of your body and it is a symbol of beauty, status and health. It is important for you to take proper care of your health in order to prevent early hair loss. Our Cymbalta Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur.