I feel like the benadryl is making my freaking itch/rash worse. And it sucks cause your tired and…

I feel like the benadryl is making my freaking itch/rash worse. And it sucks cause your tired and you take it do that reason but the itch still keeps you up. And your tired level is a lot worse. Ready for the blood work to come back Tommorow. Hopefully all is good, but really wanna find out what's going on. :( my doctor doesn't think it's puppps. Lies.