I Have Been Taking PreserVision For Couple Months Because As

I have been taking PreserVision for couple months because as I had cataracts removed .....the doctor mentioned that it would not hurt if I started taking Eye Vitamins (PreserVision) because of distant problems with macular degeneration....during the procedure of getting rid of catarcks I developed herpes. I am also taking Valacyclovir 1g once a day for life
I started with sort of a small patch of itching located on left side of back... now it's just like a rash on chest,
some on arms and legs....very unattractive. I go to a pain clinic for stenosis of lower back about every 4 months. I take 300mg of gabapentin 3 times a day and 50 mg 1 three times a day. My choice is iburforen for pain but ulcerated stomach problems will not tolerate. I can tell the gabapentin and tramadol help the itching
which is not severe but will not leave but only spreads. Any suggestions? Thank you Jewell S Stokes