R.: First, let me start by asking--how did the "family friends" find out that they had "bed bugs"? Is this something that a physician told them?
I do kknow there is a such thing; however, from what I know, bed bugs are parasites that you cannot see and they don't bite you! They are from your own skin shedding at night. As our skin sheds; so do our bed bugs...however, this sounds odd that they are literally "biting" you.
Do you have pets? Or is there an animal around your house? Like, you neighbors dogs that stay outside? If there is any possibility that they are fleas, a simple "fogging" of your house and shampooing your animal will take care of them. I think you should definitely seek medical advice about this one!
Good luck and please let me know what the doctor says. I am very interested in learning more facts about "bed bugs" if, in fact, your physician thinks that's what's biting you! Again, I have never heard of bed bugs biting. they are micrscopic insects. And, if you regurlarly wash your bedding, then you should not have problems. However, fleas are a completely different story!
Have a great day!
S.