How do bed bugs bite look like after i've scratched?

Red bumps w/ scratch: Bed bugs often bite in a row, or cluster. The bites vary from pink bumps to welts. They are very itchy. The become more inflamed when scratched you can use an oral anti-itch medication if needed.

Bed bug bites may: Cause no sx's/signs in some except for 2 small points where skin was punctured by bedbug. When there's a reaction, it may show from an hour to several days after bite. It can cause itchy, pink, swollen, lesions w clear center. In cases of hypersensitivity blisters may develop. A telltale sign is linear track of lesions from sequential feedings – but that doesn't always occur. Scratching can >>.