Intense itching in the pubic area
Itching that gets worse at night
Visible lice in pubic hair
Tiny white or yellowish eggs attached to hair shafts
Dark or rust-colored spots on underwear or skin
Irritated, red, or inflamed skin in the pubic area
Small blue-gray spots on the skin
Itching or irritation in other coarse body hair areas
Symptoms after sexual contact with an infected person
Diagnosis confirmed by a healthcare professional