Snot, that sticky, sometimes inconvenient substance, also known as nasal mucus, plays an important role in your body. It helps trap and keep out germs and harmful particles that would otherwise make their way into your respiratory system.
A runny nose can happen for many reasons—colds, flu, allergies, sinus infections or chilly weather. But have you ever wondered why it looks different at times? Let’s explore why your snot changes colors and what it tells you about your health.
Clear Snot
Clear snot is mostly water and a sign that your body is healthy. Your mucus glands produce this snot to help flush germs and bacteria, keeping your nasal passages clean. It usually flows down the back of your throat, so you barely notice it. However, cold weather or spicy foods like a hot bowl of curry at Amay Kitchen can kick your nose into overdrive, making that clear mucus drip or run out of your nose.
White Snot
When clear snot turns cloudy or white, it’s usually a sign that you’re congested. White mucus can signify mild illness like sinus infections or a cold. The longer snot sits in your sinuses, the more moisture it loses, leading to that white color.
Yellow or Green Snot
When you’re sick with a cold or infection, your body sends white blood cells to the affected area to fight the invading germs. Once these cells have done their job, they linger in your mucus, giving it a yellowish tint. As your illness progresses, your snot can change from yellow to green. This happens because the mucus becomes thicker and more concentrated with white blood cells, signaling your immune system is hard at work. In cases of green mucus, you should make an appointment with your ENT provider to find treatment options.
Red Snot
Red snot typically means a blood vessel in your nose has burst. This can happen after nose-picking, blowing your nose too hard or exposure to cold weather. If your snot is pink, the damage is likely minor. Dark red snot that isn’t actively dripping suggests a slightly larger break, while dark red snot that runs continuously is classified as a nosebleed. In case of a nosebleed, sit upright and press a tissue to your nostrils to catch the blood. If it lasts more than 10–15 minutes or there’s significant bleeding, seek medical help.
Brown or Black Snot
Brown or black snot often means you’ve inhaled dirt, dust or other debris. If this happens, it’s a good idea to wear a mask over your nose and mouth to protect yourself until you’re no longer exposed to the dusty environment.
If your snot consistently shows unusual colors or symptoms persist, contact Ear, Nose & Throat Associates today for an appointment with one of our providers.