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Doctor insights on: Mucinex For Runny Nose

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I have had a sinus congestion problem for almost 2 weeks. Been using Mucinex (guaifenesin) dm. No runny nose. Now extreme dry mouth the last two days. Infection?

I have had a sinus congestion problem for almost 2 weeks. Been using Mucinex (guaifenesin) dm. No runny nose. Now extreme dry mouth the last two days. Infection?

Mouth-breathing.: Since Mucinex (guaifenesin) dm does nothing on the nasal congestion, your dry mouth is likely from mouth-breathing. Try a nasal decongestant and see if this may help (mucinex (guaifenesin) d?). If not, see your doctor to make sure that you don't have a sinus infection. ...Read more

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Dr. Corey Clay
1,142 Doctors shared insights

Rhinitis (Definition)

This is a symptomatic disorder of the nose characterized by inflamed nasal mucosa. Groupings of rhinitis exist triggered by infection, allergy, non-allergic triggers/exposure, meds, immune disorder, and/or structural problems in the nose. Symptoms can include itching, sneezing, congestion, watery/mucoid drainage, post-nasal drainage with sore throat, ear ...Read more


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Cold symptoms 4 days, improving but still very congested, sneezing, runny nose. Will I get better faster by taking mucinex or by taking no meds?

Cold symptoms 4 days, improving but still very congested, sneezing, runny nose. Will I get better faster by taking mucinex or by taking no meds?

Depends: Mucinex is usually best to loosen the phlegm of a cough. Since you have congestion and cold symptoms best to use Mucinex for coughs.
Perhaps an OTC antihistamine like Allergra or Claritin would work better for cold symptoms ...Read more

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Can u take Mucinex (guaifenesin) if u suffer from runny nose or blocked nose and sore throat only?

Can u take Mucinex (guaifenesin) if u suffer from runny nose or blocked nose and sore throat only?

May not help: Guaifenesin (mucinex) helps bring up mucus. It may help with your nose. However, irrigating your nose with saline is going to be much more effective. If it is an acute problem, you may take oxymetazoline nasal spray every 12 hours for 5 days, after irrigating your nose. You can also rinse your mouth with saline. If your problem lasts longer, see a physician. ...Read more

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I have severe congestion, sneezing, runny nose, awful dry sometimes yellow mucus cough, my mucus from my nose is clear. I took allegra, did not help at all. I cant decide if its allergies or a sinus infection/cold. Its been 3 days. Should I take mucinex c

I have severe congestion, sneezing, runny nose, awful dry sometimes yellow mucus cough, my mucus from my nose is clear. I took allegra, did not help at all. I cant decide if its allergies or a sinus infection/cold. Its been 3 days. Should I take mucinex c

Infection?: Try a different antihistamine, like Benadryl (diphenhydramine). If 25-50 mg of Benadryl (diphenhydramine) makes no difference, then it is not likely that your symptoms are due to allergies. There is no good evidence that mucinex is much help and it is expensive and has its own side effects, and I never recommend it. Avoid fragrances and aerosols while sick (add to irritation of respiratory tract). See MD if no better in 2-3 days. ...Read more

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My nose is extremely stuffy, I took 3 zyrtec pills and had mucinex (guaifenesin) as well. Did I take too much meds?

My nose is extremely stuffy, I took 3 zyrtec pills and had mucinex (guaifenesin) as well. Did I take too much meds?

Not the right kind: Although even taking 3 Zyrtec pills may be ok (except for some drowsiness perhaps), you are not taking the right pill since antihistamine pills do not decongest the nose. You will likely have better luck with a nasal steroid. Some will find an antihistamine with a decongestant (Zyrtec D?) to be helpful but I usually try to avoid oral decongestants because of the side effects. ...Read more

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My nose won't stop running. I've tried afrin & day quil & mucinex (guaifenesin). What else can I try?

My nose won't stop running. I've tried afrin & day quil & mucinex (guaifenesin). What else can I try?

Do you have: Allergies? Neti pots can reduce nasal congestion. Mix ΒΌ tsp salt w 1 cup distilled lukewarm water. More salt can also be used. Place solution in neti pot. Tilt head & pour solution into 1 nostril. Blow nose lightly & spit out any liquid that drains into throat. Repeat on other side. ...Read more

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It feels like mucus is stuck in my nose will Mucinex (guaifenesin) dm help?

It feels like mucus is stuck in my nose will Mucinex (guaifenesin) dm help?

Saline rinse: Saline irrigation will likely work better. Mucinex (guaifenesin) (but not DM) may work somewhat but the evidence is not that convincing. If you have an allergic issue, consider trying a nasal steroid then an allergy consult if necessary. ...Read more

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I have influenza. Mucinex w codeine and tamiflu prescribed. Nose running out of control...drips when I look downward. Hard to sleep with my CPAP.?

I have influenza. Mucinex w codeine and tamiflu prescribed. Nose running out of control...drips when I look downward. Hard to sleep with my CPAP.?

Mgt: Nasal passages can be kept open using a higher volume of nasal saline. The viral infection will begin to resolve within one week. A cool air mist humidifier may also help. ...Read more

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Pregnant with stuffy nose. Will mucinex (guaifenesin) help with stuffy nose. Saline spry does not help me. How long to us mucinex (guaifenesin) for to clear stuffy nose.

Pregnant with stuffy nose. Will mucinex (guaifenesin) help with stuffy nose. Saline spry does not help me. How long to us mucinex (guaifenesin) for to clear stuffy nose.

Mucinex (guaifenesin) will not but: Mucinex (guaifenesin) will not but Mucinex (guaifenesin) D will help stuffy nose. It is pregnancy category C.There are no adequate and well controlled studies on humans, but potential benefit may warrant use of this drug
Ask your doctor if it is ok to take. It also depends how many weeks you are pregnant
Ask your doctor ...Read more

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Can u take Mucinex (guaifenesin) while being 21 weeks pregnant for a cold and stuffy nose?

Can u take Mucinex (guaifenesin) while being 21 weeks pregnant for a cold and stuffy nose?

Unknown: The safety of Mucinex (guaifenesin) is pregnancy is unknown. You should check with your OB on this. There are other medications and treatments for treatment of congestion while pregnant. For example, steam from a humidifier or hot shower or boiling water on the stove can help with the congestion. ...Read more

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I have flu like symptoms (cold, fever) I took Mucinex (guaifenesin) sinux-max and started feeling better. Just hen I was done with the medication I had nose-bleed?

I have flu like symptoms (cold, fever) I took Mucinex (guaifenesin) sinux-max and started feeling better. Just hen I was done with the medication I had nose-bleed?

Seasonal flu: Seasonal flu is very common viral infection with symptoms you have described. Usually the condition resolves on its own with home care. Drink water and get a good rest. Tylenol (acetaminophen) is also recommended every 6 hours. If concerned, see your PCP after 7-8 days or so. ...Read more

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I am treating acute bronchitis with mucinex (guaifenesin). Today my nose is very itchy but I read I should avoid antihistamines due to bronchitis. Any suggestions?

I am treating acute bronchitis with mucinex (guaifenesin). Today my nose is very itchy but I read I should avoid antihistamines due to bronchitis. Any suggestions?

Need antibiotics to: Acute bronchitis does not show up on x-ray. I put my patients on antibiotics and sometimes IV steriods depending if I am going to admit them or not and bronchodilators. Never heard that antihistamines should not be used in bronchitis. If your nose is very itchy, could be allergens in which case, you may benefit
from nasonex (mometasone). Mucinex will help loosen the phlegm. ...Read more

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I used Mucinex (guaifenesin) nasal spray (in my nose) to releave pressure pain in my ears. Now my ears feel stopped up, and still hurt.

I used Mucinex (guaifenesin) nasal spray (in my nose) to releave pressure pain in my ears. Now my ears feel stopped up, and still hurt.

Stop it: Mucinex (guaifenesin) nasal spray can cause worsening of nasal congestion if used excessively and can have you completely blocked up. Stop using it and start using a saline nasal spray. Over the counter decongestants can alleviate your ear congestion. If no change, see an allergist. ...Read more

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What works better for running nose, allergies? Allegra, Claritin, Zytrec, or Mucinex (guaifenesin)? Debating on which one to get. Fast and 24 hr relief is what am looking for.

What works better for running nose, allergies? Allegra, Claritin, Zytrec, or Mucinex (guaifenesin)? Debating on which one to get. Fast and 24 hr relief is what am looking for.

Allergy: True allergy should be treated with an antiallergy medication such as loratadine, fexofenadine or cetirizine. They are generally considered equivalent and you should use the one that works best for you. Mucinex (guaifenesin) is an expectorant and should not do much for allergy. ...Read more

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Mucinex (Definition)

Guaifenesin is a cough suppressant which is a kind of antihistamine type drug (common ...Read more


Dr. Nayla Mumneh
1,026 Doctors shared insights

Runny Nose (Definition)

Mucus fluid from the nose, usually caused by ...Read more