Q. Why am I coughing and throwing up mucus?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Throwing up mucus, also known as vomiting phlegm, can happen for several reasons, mostly tied to excess mucus production or irritation in your respiratory system. Here are some common culprits:
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Postnasal Drip: This is a major suspect. Your nose and throat naturally produce mucus, which you usually swallow unconsciously. When you have a cold, allergies, or other irritations, mucus production can increase and drip down the back of your throat (postnasal drip). This can tickle your throat and trigger coughing, and sometimes even forceful coughing that leads to throwing up mucus.
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Upper Respiratory Infections: The common cold, flu, and even sinusitis (sinus infection) can cause congestion and excess mucus production. Your body tries to expel this mucus through coughing, and sometimes that coughing can lead to throwing up mucus as well.
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Other Irritants: Smoke, dust, and other airborne irritants can inflame your airways, leading to increased mucus production and cough that can bring up mucus.
Here's a quick breakdown of what to look for to determine the cause:
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Accompanying Symptoms: If your throwing up mucus is accompanied by a cold or flu-like symptoms (fever, sore throat, etc.), a common cold or upper respiratory infection is likely the culprit. Allergies might be the cause if you have itchy eyes, runny nose, and sneezing along with the cough and mucus.
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Mucus Color: The color of your mucus can also offer clues. Clear or white mucus is typical with a cold or allergies. Yellow or green mucus might indicate a sinus infection.
When to See a Doctor:
Throwing up mucus is usually not a serious concern. But if you experience any of the following alongside it, it's best to consult a healthcare professional:
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High fever (over 103°F)
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Difficulty breathing
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Blood in your mucus
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Severe vomiting that prevents you from keeping fluids down
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Dehydration
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Worsening symptoms after a week or so of home care
If you have any concerns, don't hesitate to see your doctor. They can help diagnose the underlying cause and recommend the best course of treatment.
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