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Doctor insights on: How Does Guaifenesin Work

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Can I take guaifenesin/phenylephrine with tussionex?

Can I take guaifenesin/phenylephrine with tussionex?

OK Guaifenesin: It is fine to combine guaifenesin/phenylephrine with tussionex, but you will be getting lots of Guaifenesin -- this should be no problem. ...Read more

Dr. Marvin Ott
65 doctors shared insights

Guaifenex La (Definition)

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


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Could Robitussin (guaifenesin) work when making lean?

Could Robitussin (guaifenesin) work when making lean?

Robitussin (guaifenesin): Are you asking us for recipe to make home made booze (lean)? I would suggest you seek mental health attention as it appears that you may have a serious addiction. ...Read more

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What are the possible side effects of Mucinex (guaifenesin) for congestion and how well does it work?

What are the possible side effects of Mucinex (guaifenesin) for congestion and how well does it work?

Drink water instead: Mucinex (guaifenesin) has few side effects, but you can get the same mucus thinning effect from drinking more water. Save the money and drink more water instead. ...Read more

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Does Mucinex (guaifenesin) work for chest congestion?

Does Mucinex (guaifenesin) work for chest congestion?

Mucinex (guaifenesin): It is a generally safe product that has been around for a long time and has some effect on chest congestion. ...Read more

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Will Mucinex (guaifenesin) work to get rid of sinusitis?

Will Mucinex (guaifenesin) work to get rid of sinusitis?

Not for infection.: Sinusitis is usually a bacterial infection, and while Mucinex (guaifenesin) may help the symptoms of such it wouldn't eradicate this on its own. If you just have allergies with congestion, Mucinex (guaifenesin) may be enough. ...Read more

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My dr recommended cough syrup with guaifenesin to better CM for helping conceive. Will it still work with phenylephrine HCL 10mg in it ? No dm though.

My dr recommended cough syrup with guaifenesin to better CM for helping conceive. Will it still work with phenylephrine HCL 10mg in it ? No dm though.

What?: I might be misunderstanding your question, but are you under the assumption that guaifenesin will help you to conceive a child? Cough syrup, of any kind, will not enhance you chances of becoming pregnant...It will however help your cough... If I'm misunderstanding please repost your question. ...Read more

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Is there anything besides Mucinex (guaifenesin) on the market that works as an expectorant? I have asthma - mucus is major issue for me. I take Mucinex (guaifenesin) twice a day

Oral Diphyl-G: Thick mucus has been a real problem for my patients with asthma. Mucus thinning medications such as Guaifenesin present in Mucinex (guaifenesin) and robutussin has been very beneficial. One other item which i prescribe to patients is a mixture of Dyphylline and Guaifenesin (difil-g) which i find very useful to bring the secretion up because of additional dilating effect on airway. Please consult your doctor. ...Read more

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I have asthma and my chest feels very congested but i caint cough nothing up but my asthma is worse because of this would taking mucinex (guaifenesin) dm work?

I have asthma and my chest feels very congested but i caint cough nothing up but my asthma is worse because of this would taking mucinex (guaifenesin) dm work?

Mucinex (guaifenesin) DM is: unlikely to help much. Are you using your prescribed inhalers? If not, you should start them. If you are and are still having difficulty, you should see your doctor so they can listen to your chest and also examine you for any other infection...so you can get the proper diagnoses and treatment. ...Read more

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Fluid in ears. Ent md recommended mucinex (guaifenesin). Took for 36hrs straight without improvement. Just not going to work?

Fluid in ears. Ent md recommended mucinex (guaifenesin). Took for 36hrs straight without improvement.  Just not going to work?

Ear congestion rx: Mucinex (guaifenesin) is not as effective as other meds. If you have no contraindications such as hi bp or pregnancy, try an antihistamine plus phenylephrine.....such as Zyrtec plus D, or Claritin plus D. And chew gum as tolerated . this action helps eustacian tube drainage. Be patient. ...Read more

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Does codeine expire? My 4 year old son has been dealing with a scratchy throat all day and the Mucinex (guaifenesin) did not work today. We have some codeine that my older son used two years ago. Is it okay to administer a small dosage to our 4 year old?

Does codeine expire? My 4 year old son has been dealing with a scratchy throat all day and the Mucinex (guaifenesin) did not work today. We have some codeine that my older son used two years ago. Is it okay to administer a small dosage to our 4 year old?

You : You should not give your 4 year old son Codeine for two reasons: - first of all, Codeine does have an expiration date. It the medication was given to you two years ago, then it is almost certainly expired. Almost all medications have an expiration date. You should go through your medicine cabinet every three months and discard any old, unused portions of prescription medications. - second, it is never safe to share prescription medications unless specifically instructed to do so by your doctor. Codeine can be a good pain killer, but can be very dangerous in the wrong doses. Too large of a dose can cause someone to stop breathing. That why many medications are regulated via the prescription system - for safety - and should not be used unless specifically instructed to do so by your doctor. The best (and safest) treatments for a sore throat are: lots of fluids, rest, hot tea with honey and lemon, chicken noodle soup, Ibuprofen or Acetaminophen for pain, and a spoonful of honey for a sore throat. Research shows that these home remedies are as effective and much safer than over the counter medications. If you are concerned about your son's illness, you should call his doctor to discuss the safest and most appropriate treatments. ...Read more

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Claritin D sleep works great to clear nighttime nasal congestion but now I'm awake and jittery due as side effect. Other options? (mucinex (guaifenesin) D)?

Claritin D sleep works great to clear nighttime nasal congestion but now I'm awake and jittery due as side effect. Other options? (mucinex (guaifenesin) D)?

Don't use "D": The "D" in many medications is causing your side effects of being awake and jittery. Please only use oral antihistamines without the "D" to help with nasal congestion - zyrtec, allegra, claritin. You can also try OTC nasal steroid sprays. ...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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How does prednisone work to help with a cough? Congested nose, ears, chest. Mucinex (guaifenesin) caused me palpitations and got prescribed steroids instead

How does prednisone work to help with a cough? Congested nose,  ears, chest. Mucinex (guaifenesin) caused me palpitations and got prescribed steroids instead

Anti-inflammatory: Steroids are an anti-inflammatory medication typically prescribed in active asthma. They would be prescribed if pt is wheezing or having difficulty breathing or having coughing fits that are attributed to airway inflammation. So this medication would decrease the inflammatory markers present in the airway that are causing leaking of the vessels and swelling of the airway. ...Read more

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How much guaifenesin can I take/when?

How much guaifenesin can I take/when?

Maximum daily 2.4gms: The maximum daily dose of guifenesin should not exceed 2400mgms.You can take 600mgm 4 times a day or 800 mgm 3 times a day. ...Read more

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Is taking 700mg of guaifenesin too much?

No.: The maximum prescription dose is a total of 2400 mg per day, usually divided in 400-600 mg doses. ...Read more

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What is Robitussin (guaifenesin) pe?

2 medicines: Its a combination of a medicine called Pseudoephedrine which is a decongestant that works by shrinking the blood vessels in the nose and an expectorant ( guaifenesen ) that aims to make mucous easier to cough up. ...Read more

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Is guaifenesin a decongestant?

No.: Guaifenesin is thought to act as an expectorant by increasing the volume and reducing the viscosity of secretions in the trachea and bronchi. ...Read more

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How much guaifenesin would make me puke?

How much?: Indeed. How much wood could a woodchuck chuck if a woodchuck could chuck wood? Your question not answerable. Everybody differs. Why would you want to find out? I suggest you follow directions on bottle and, as always, minimize the dose but do obtain relief. ...Read more

Dr. Robert Cloutier
229 doctors shared insights

Guaifenesin (Definition)

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


Dr. Abraham Jaskiel
213 doctors shared insights

Robitussin (Definition)

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