Dr. B and his staff are the best. They are very attentive to your needs before and after treatment. I had a series of Fraxel lasers and the results were awesome. Highly recommend Aesthetic Dermatology.
More than likely this is a side effect from your isotretinoin. But know this, isotretinoin can set the stage for your skin to be more sensitive due to rosacea. Make sure you are moisturizing your face well daily with a moisturizer that you have found to tolerate well.
If you stopped the course of Accutane around April 2016, it usually takes about three months. Give it until August and hopefully you will see a difference in the shedding.