Head lice treatment: What does it mean if nits don’t clear?

HEAD LICE, also known as nits, are small insects that feed on blood from a human scalp. While they can cause itchiness and an uncomfortable feeling, treatment - usually shampoo or a special comb - doesn ’t need to be prescribed by a GP. But what does it mean when the lice don’t clear?

Source: Daily Express - Health - January 31, 2018 Category: Consumer Health News Source Type: news