Are prescription medication better than over-the-counter medication for removing lice?

Head lice: Over the counter head lice medication is very effective for removing head lice. My mother used this medication to remove head lice from the grand children.

Not necessarily: There has been a growing concern that lice are becoming resistant to some common over-the-counter treatments such as permethrins (like nix) and pyrethrins (like a-200, clear lice system, pronto, r & c, and rid). They are still a good 1st line treatment since they have been proven to be so safe and are available over the counter. Be sure you have the correct diagnosis and instructions from your doc.