I feel like ants are crawling on my skin or body?

Since Wednesday, I have been feeling like these little ants or bugs crawling on my skin.. Its really annoying! It feels like people are lightly tickling me, and I cant just help to scratch myself. Some cases I have these small bumps and they itch like crazy! Im thinking this could be an allergic reaction because I have been sleeping on the couch for the past couple of days because it is cooler downstairs in the living room then my room, and I have a larger television where I can watch t.v. It started to feel like tingly Wednesday, but then kind of went away, I told my mom its has been itching. She said she didnt know what it was (this is Thursday) The itching only got worse Friday, and Saturday. Saturday when we were at iHop, my mom said she started itching, and she went to the grocery store and got her some anti - itch spray, and some benadryl, because apparently benadryl stops the itching, It got better today (well Sunday) the itch went away, I got some of that spray and it helped some, but not all the way.. I took a nap because I was tired, and the itching came back.. I asked my dad what he thought it was, he said he was itching too! Its really annoying, and I really hope this goes away. Also, please dont call me paranoid, because what is happening is real. Thanks! What is this "crawling/itching" and how long does it take to go away, if this happened just a few days ago. Be sure to also notice that, Im sure this is not HIV/Aids, because I have had no sexual contact with anyone else, EVER. And also note that I am not allergic to pets or any type of foods yet that I know of.