Hi Alfred
Feeling for you and the lack of sleep is adding to your pain cycle. The only time I dare use a tens is when my pain is very low. When raging pain and inflamed, I too learned the tens made it worse no matter the setting. The way I look at it is, you are electrifying something that is already electrified and adding to your inflammation problem. There is another current called interferential which helps heal, much different than tens. When I am this bad acupuncture doesnt make a dent or help .Once again I will suggest you speak to your dr to change your medications as I recommended on earlier thread. And yes, you should be able to take Tylenol with your current meds , research shows nsaid and tylenol combined are ok and have increased pain relief benefit. but not Excedrin as it is got aspirin in it and would bleed your stomach in combination with you nsaid (the diclofenac) . And no nsaid is allowed after steroid injection.,if he indeed dr did use a steroid in your recent injection. Hope this helps. Was on ice myself last nite and this morn. God Bless.