You can also alternate advil and tylenol to get pain relief comparable to some narcotics. ie 1000mg
tylenol at 6am, 600mg advil at 9am,
tylenol at noon, advil at 3pm etc.
It's not the swelling of the lymph nodes that is the issue - it's the virus itself affecting the nerves that control the bladder/bowels. It's a well known issue with newly acquired herpes infections - it just thankfully doesn't happen to a large percentage of folks.
I'd ask for more valtrex.