s quite possible that these sx will stick around for a good while yet, MS fatigue seems to have a beat of its own, tingles may stick around for good and the head pain such as
migraine or TN come and go when ever it wants too, though its anyones guess what your MS is doing, its alway unique to the MSer.
You've had a relapse which could take weeks to months to get through, be kind to your self and take it easier for a while longer.