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Doctor insights on: Coughing Up Clear Sputum

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Dr. Sue Ferranti
3,539 doctors shared insights

Cough (Definition)

The cough reflex is a protective mechanism that uses muscles in your throat and chest to expel mucous and saliva that may contain pathogens that would otherwise possibly be inhaled via aerosol or to expel pathogens infecting the throat and respiratory system. Cough benefits the host by reducing load and benefits the pathogen which may then spread via aerosol. ...Read more


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Clear sputum without cough for 6 months.sometimes greenish only at morning.4 days ago too few streaks of blood that occurs only once/day wen i wake up?

Clear sputum without cough for 6 months.sometimes greenish only at morning.4 days ago too few streaks of blood that occurs only once/day wen i wake up?

See your FamilyDoc: If you've been coughing for 6mo, it's time to see your FamilyDoc or GP. We generally don't worry too much about sputum color these days as it's not useful in determine if virus or bacteria. Cough can also be due to allergies, heartburn & medication side effects. Streaks of blood is most likely from vigorous coughing but could also suggest worse things. So go see your FamilyDoc or GP. ...Read more

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I have had a violent cough with clear, thick sputum and wheezing for five months. What's wrong with me?

I have had a violent cough with clear, thick sputum and wheezing for five months.  What's wrong with me?

Chronic cough: Cough and wheezing are symptoms of asthma. These symptoms can follow influenza or other chest infection. Other less common conditions can also cause these respiratory symptoms. A lung specialist (allergist or pulmonologist) can review the symptoms, take a chest x-ray, sputum sample, lung function test and possibly other lab tests to accurately diagnose your problem and treat correctly. ...Read more

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Really bad cold with yellow and green mucus for two weeks. Symptoms improved but Cough still lingering a month later with clear sputum. Is this normal?

Really bad cold with yellow and green mucus for two weeks. Symptoms improved but Cough still lingering a month later with clear sputum. Is this normal?

Post nasal drip: Post nasal drip is the likely cause of your cough. Over the counter Flonase 1 spray in each nostril twice daily and daily sinus rinses usually help. Hope this helps! ...Read more

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I have dark brown speckled sputum inside clear sputum for 2 months, no cough , X-ray clean, recently increased with flu , no smoking for 1 week, 22y m, ?

I have dark brown speckled sputum inside clear sputum for 2 months, no cough , X-ray clean, recently increased with flu , no smoking for 1 week, 22y m, ?

Brown sputum: Since no cough and negative x-ray would continue to stay away from smoking and follow up with physician within 1-2 weeks. May require more labs and exam. ...Read more

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I've had a cough (sputum ranging from green/yellow/light brown to white/clear) for a month. Now feeling like I inhaled sea water . Ideas on Causes?

I've had a cough (sputum ranging from green/yellow/light brown to white/clear) for a month. Now feeling like I inhaled sea water . Ideas on Causes?

See MD!: Please see a doctor ASAP! While coughs can sometimes last for a month, they should be improving. You sound like you are not getting better. You may need a sputum culture and/or a chest xray. You may also need antibiotics and/or other medication. ...Read more

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For about 2 weeks I have hada "choking cough" where I can't breath AT ALL. Sometimes productive with clear thick sputum. could this be whooping cough?

Needs checking: Whooping cough can be contracted by young adults like your age due to waning immunity by this time from primary immunization many years ago. Signs of whooping cough are similar and due to its contagious nature, especially to vulnerable populations of the young and the elderly, you should see your doctor sooner to get it checked and be treated. ...Read more

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While eating a pickle I laughed and inhaled some of the juice. I felt it and I tried to coughed but not sure it came out. I have wheeze two days later and cough with clear sputum. Asthma seems worse. No fever. Worried it's pneumonia?

Not surprising: Vinegar is very irritating to the lung and thus it is not surprising that you ended up with a cough. As for the asthma, has it responded to bronchodilator? If you are improving, I think you can give it a couple more days to see how things go. However if there is no response to bronchodilator or your coughing gets worse, you need to see your doctor ...Read more

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I have had a dry cough for 2 months it is very dry and making me heave very loudly no sputum or vomit comes just dry heaving. what could this be? i have had a chest x ray and bloods tested which was given the all clear. ive taken omprezole however did not

I have had a dry cough for 2 months it is very dry and making me heave very loudly no sputum or vomit comes just dry heaving.
what could this be?
i have had a chest x ray and bloods tested which was given the all clear.
ive taken omprezole however did not

Could be GERD: The acronym we use is GERD, Gastro Esophageal Reflux Disease. It is gastric acid from your stomach getting up and out into your esophagus. While omprezole is a good medication you might need another drug, It is also imperative that you should not lie down until two hours after eating and you should eat slowly, chew your food well and keep in frequent touch with your gastroenterologist. ...Read more

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At times I get fatigue, shortness of breath or difficulty breathing at times. Wheezing, cough that is dry at times. Other times clear sputum. No fever?

At times I get fatigue, shortness of breath or difficulty breathing at times. Wheezing, cough that is dry at times. Other times clear sputum. No fever?

Mgt: An inbox consultation can be helpful and imaging studies can be reviewed at that time. Some possible causes include asthma/allergies, prolonged viral infection/inflammation in the lung. ...Read more

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I am suffering from productive cough from past 2mnths it usually begns at night or in d morning wid black streaks in sputom.My chest xray is clear.

I am suffering from productive cough from past 2mnths it usually begns at night or in d morning wid black streaks in sputom.My chest xray is clear.

Cannot diagnose: You need to see a pulmonary specialist. Need more history and lung function studies. You may have problems with allergies, fungal exposure in your household and other problems of which you may not yet be aware. Go and get fully evaluated and hope this will be diagnosed and treated effectively soon. ...Read more

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Does cough and colds can be cause of sputum?

Does cough and colds can be cause of sputum?

Sputum: Mucus production is normal. Excessive mucus production can be triggered by allergies, irritants and infections (viral, bacteria). Cough is frequently the body's reflex to expel mucus from the lower respiratory tract. ...Read more

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Cough since 2 months and light green coloured sputum. Cough only in dusty surroundings. Pls help?

Cough since 2 months and light green coloured sputum. Cough only in dusty surroundings. Pls help?

See doctor: Sound s like you have an infection. You should see your doctor for treatment. ...Read more

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What causes a white frothy sputum in a child's cough?

What causes a white frothy sputum in a child's cough?

Mucus production: The cause of white frothy sputum with cough is due to mucus production in the lungs, nose, and sinus. This is the way our immune system gets rid of unwanted and harmful agents who enter our respiratory system. This defensive mechanism is conducted by the immune cells lining the airway with specific antibodies to protect; mucus contains products to kill the agents as well as to wash them away. ...Read more

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I have cough with sputum for 2 weeks what is your diagnosis?

I have cough with sputum for 2 weeks what is your diagnosis?

Bronchitis: You most likely have bronchitis. Most cases are viral in nature, though there is always a chance of bacterial infection as well. With symptoms for 2 weeks, I am also concerned that you may have developed pneumonia at this point. If your symptoms are not improving, you should seek medical care. ...Read more

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I have (cough with sputum for 2 week) what is your diagnosis??

I have (cough with sputum for 2 week) what is your diagnosis??

Productive cough: Greetings Peter. Wouldn't it be grand if being a doctor was as easy as you might think! The possible causes for your productive cough are numerous. Allergy, Infection (bacterial, fungal, parasitic, viral), reflux, Bronchiectasis, neoplastic, exposure related, even ear wax is a possibility. Just to name a few! See your doctor for a more thorough history and physical. ...Read more

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I have cough with sputum, I feel better after cough medications but it return again in a short time?

I have cough with sputum, I feel better after cough medications but it return again in a short time?

Is this of long or: short duration. Hydrate well with water . Include warm herbal teas or soups. Try using a humidifier. If this has become chronic - see your medical provider. ...Read more

Dr. Layne Gentry
639 doctors shared insights

Sputum (Definition)

Sputum is mucus that comes up from the lungs and can be ...Read more