WebMar 15, 2024 · Takeaway. Phlegm is naturally clear. If your phlegm is yellow or green, you may have a viral or bacterial infection. If it’s another color like brown, red, or black, you may have coughed up ... A sinus infection occurs when your nasal cavities become swollen, infected, or … WebOct 22, 2024 · Green-yellow stained phlegm is usually a sign your body is fighting an infection, such as a cold or flu. Brown phlegm that appears 'rusty' is often due to old …
Brown Mucus: Reasons Why You Might Get It - WebMD
WebPhlegm and mucus are technically one and the same: Phlegm is mucus that is created in your respiratory system, especially your chest, while fighting an infection—a byproduct of inflammation in your airway. 1, 2 Phlegm can be a variety of colors, including clear or white, green or yellow, red or pink, brown, or gray or black. 2 When phlegm is ... WebSep 28, 2024 · Yellow or yellowish mucus can suggest that your body is fighting an infection. “It may be viral, such as a cold, or bacterial,” Dr. Lippmann says. “It is often a good sign because it means ... can only concatenate list not int to list 翻译
Phlegm Color Chart: What the Color of Your Phlegm …
WebAsthma is an abnormal immune response. This means white blood cells are abnormally recruited to airways, and not in response to an infection. The mucus probably includes eosinophils. It may also include neutrophils. So, white usually means there is no infection. It’s a common color of asthma sputum. 2-4. Thick white. WebJun 13, 2024 · When to see a doctor. By Mayo Clinic Staff. Call your doctor if your cough (or your child's cough) doesn't go away after a few weeks or if it also involves any one of these: Coughing up thick, greenish-yellow phlegm. Wheezing. Experiencing a fever. Experiencing shortness of breath. WebMar 20, 2024 · Depending on the cause, mucus can appear clear, green, yellow, and even brown. Brown mucus may indicate you have more than just a viral infection. Common Causes of Brown Mucus. Our body is constantly producing mucus at a rate of one to 1.5 liters each day, according to Mayo Clinic. When the mucus becomes thick or discolored, … can only concatenate list not dict to list