It's not weird that you are relieved. Especially if the sulfasalazine is helping, because you hate to give up something that works just because your body doesn't like it.
Sorry about the Hand, Foot and Mouth. Does your GP attribute the swollen lymph node to this as well?
Ginny - 57 year old female
Dx with USpA in March 2013; changed to AS in July 2015
Iritis and Scleritis
unicompartmental knee replacement June 2014
MTX, Humira, Cyclobenzaprine, plus Celebrex as needed
Supplements: Folic Acid, Vitamin A, Vitamin D, Calcium, Fish Oil, Melatonin, Culturelle probiotic