Hi.. as you can see from my previous questions I have no idea what is going on in my household. As I am sitting here I am scratching. Is it my brain messing with me or is there a bug? How can I tell or catch the critter?

BAIT! No, just look under the cushions, in the areas where the light of day never reaches. Turn the couch over, take off the cushion covers. And remember to check the mattresses, bed frames, etc. And if you find a bug big enough, bite it back.

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Originally Posted by William1472

And if you find a bug big enough, bite it back.

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Funny. Candace, you might find it helpful to get some sticky traps from the home&garden store and leave them around the couch for 24 hours. Get the kind made of pasteboard so you can fold them up to catch bugs and not your kids (my attempt at humor).

If you cannot catch anything visible, think about other causes such as tinea fungi or skin allergies. Check out this webpage:

Tinea Infections: MedlinePlus