How can you tell if you have lice?

Lice. With head lice, you may have intense itching of the scalp. Small, red bumps on the scalp, neck, and shoulders may become crusty and ooze. You may have white specks (eggs, or nits) on the bottom of each hair that are hard to get off. The best thing to do is for you to see a doctor evaluation and treatment.
Lice. There are 3 types of lice: pubic (crabs), head & body lice. Lice can itch a lot. Lice may be tan to brown gray & the size of a sesame seed. Nits are tiny, light to white colored deposits that adhere to hair. Head lice may be on back of head, neck, eye brows or behind ears. They cause pink to red bumps w central dot. Pubic lice may be found on genitalia, underarms, chest or even eye brows. Body.