Those who find these tiny brown bugs in the house may also notice tiny, itchy red bumps grouped in clusters or lines on their skin ... that are harmful to both humans and pets.

Bed bug bites Bed bugs are small insects that commonly live ... Scabies bites Scabies mites are too small to see with the human eye. They burrow into skin and cause intense itching and a rash.

Normal Reaction When insects bite or sting, they commonly inject a small amount of venom or chemicals ... and harmless -- their jaws can't even penetrate human skin. Spiders are not aggressive ...

Narrator: For some bug babies, your body is home sweet home. Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young Loa loa worms can ...

Finding tiny black bugs in the house, especially near windows ... these mites live in textiles and feed on dust and skin cells. Their presence is often linked to allergies and respiratory issues.