agile insect. If it crawled, observe the speed.
Lice are notoriously slow, deliberate crawlers. If the speck darted away rapidly, it is likely a different, faster-moving insect. Second, consider the quantity.
Was it a solitary find? A true lice infestation rarely presents as a single, isolated bug. If you only found one and no others are visible upon closer inspection, the odds are heavily in your favor that it is merely a stray intruder.
Third, consider the symptoms. Has your friend experienced persistent itching? While some people react immediately, the
