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Doctor insights on: Does Mucinex Make You Drowsy

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Does Mucinex make you drowsy?

Does Mucinex  make you drowsy?

No ( if used alone): Mucinex (guaifenesin) alone is not associated with drowsiness. Common side effects may include headache, dizziness, nausea/vomiting. Be careful when using combination products which may contain antihistamines as these may cause drowsiness. Take with a full glass of water. Do not use for > 7 days.If problem persists /worsen see a doctor. Hope you feel better soon. ...Read more

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Dr. Keegan Duchicela
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Mucinex (Definition)

Mucinex is the brand name for the generic drug guaifenesin. It is used as an expectorant agent (used to cut the thickness/viscosity of mucus secretions created by the sinuses, pharynx, larynx, trachea and bronchi by actually increasing the amount of respiratory tract fluid). It is a very safe over-the-counter medication with ...Read more


Dr. Keegan Duchicela
Board Certified
8 years in practice
15M people helped
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Does Mucinex cause drowsiness?

Does Mucinex cause drowsiness?

Yes, esp w/ Zoloft!: Combining these medications can increase the risk of a rare but serious condition called the serotonin syndrome - definitely check with your doctor! it can be a bad interaction - take it seriously. Good luck - i hope it's nothing and you feel better soon, but do check it out. ...Read more

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Is it ok to not take my medications for my disability if they make me feel drowsy?

Depends: Talk to your prescribing dr. There may be a better dose or a better medication for you. It might end up being important to take it and find ways to cope with the drowsiness-don't just stop it. ...Read more

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Dr. Keegan Duchicela
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8 years in practice
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Do Vibramicyn make you drowsy?

Not Common.: This is not a commonly reported side effect, but I am sure it could occur. ...Read more

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Can you tell me how anti-histamines make people drowsy ?

Can you tell me how anti-histamines make people drowsy ?

Yes: Histamine's action on the brain's histamine receptors keeps you alert. When the antihistamine enters the brain , it counteracts this stimulatory effect thereby making you drowsy. Since the 2nd generation antihistamines do not enter the brain , they are not expected to cause drowsiness. ...Read more

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Do antibiotics make you drowsy after you eat food?

Do antibiotics make you drowsy after you eat food?

Usually not: But it is common to get drowsy after eating. Also, the body gets tired more easily when you have an infection. ...Read more

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Dr. Marsha Davis
426 doctors shared insights

Drowsiness (Definition)

Being tired is common during pregnancy, especially in the first few months and then towards the end. Exercise, rest, and proper diet all may reduce the degree of tiredness that you feel. It may help to take ...Read more


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Dr. Keegan Duchicela
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8 years in practice
15M people helped
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