A year-old man presented with a focal patch of hair loss in his beard that had been present for about two months. It was not itchy or painful. His history findings were unremarkable. Physical examination revealed a well-circumscribed, hairless patch on the right jawline Figures 1 and 2. There was no surrounding erythema or scale, and no cervical lymphadenopathy.
Even as boys there are a few facts about body hair that we all know. Some facts about body hair are less well known though. Who knew that hair would appear on their gooch, also known as the perineum, or on their back, or that our moustaches would eventually start inside our noses rather than underneath them? The condition that causes men to lose some or all of their beard is called alopecia barbae. You may already be familiar with alopecia areata, which is when bald spots appear on people’s scalps. I’m now left with just my moustache and a few patches of hair on the jaw line. The patch grew and grew to the point that I lost pretty much the entire left-hand side of my beard. After a few weeks, he explains, he noticed the patch get visibly larger and became concerned enough to seek medical advice.
Several things can cause bald spots or patches in the beard. Alopecia, ringworm, and chemotherapy are among the most common causes. This article will explore these causes in more detail, explain how to treat beard hair loss, and discuss when a person should speak to a doctor. Some of the most common causes include. Alopecia areata is an autoimmune condition that causes hair loss. It is not contagious. Most people develop the condition when they are children. It tends to cause round or oval bald patches on the scalp, but it can affect any part of the body. Around 2 in every people will develop alopecia at some point in their lifetime.