Can Mucinex make you sicker?
Mucinex may cause the following digestive issues: stomach pain. nausea. vomiting.
Do not use in children aged less than twelve years. May not be suitable for people with a persistent cough due to asthma, bronchitis, emphysema, or smoking, or who have a cough that is producing excessive amounts of phlegm. Talk with your doctor first before using Mucinex if you are pregnant or breastfeeding.
Will Mucinex DM (guaifenesin / dextromethorphan) make me cough more? No, it shouldn't. The dextromethorphan in Mucinex DM (guaifenesin / dextromethorphan) helps lower your urge to cough. The guaifenesin thins the mucus that builds up in your lungs and airways, making it easier for you to cough it up when you do cough.
The pseudoephedrine in Mucinex D can affect your heart and increase your blood pressure. Symptoms of heart-related side effects include: increased heart rate. pounding heart beat.
- dizziness;
- headache;
- rash;
- nausea;
- vomiting;
- stomach upset.
Over-the-counter medications used for upper respiratory infections may help alleviate symptoms. Those medications include guaifenesin (Mucinex), pseudoephedrine (Sudafed), and dextromethorphan (Robitussin, Delsym).
Expectorants are better for breaking up wet, productive coughs, but don't take them near bedtime.
How long does it take Mucinex DM to work? Mucinex DM combines both immediate-release and extended-release active ingredients, so the effects should begin relatively quickly and last up to 12 hours. Both active ingredients, guaifenesin and dextromethorphan, will begin to show effects in 15-30 minutes.
Sleepiness isn't a side effect of either of the medications in Mucinex D (guaifenesin / pseudoephedrine). You should be able to take it during the day without feeling sleepy.
The guaifenesin in Mucinex likely won't stop you from coughing. There's mixed evidence for using guaifenesin to relieve a cough. Plus, it doesn't loosen or thin your mucus very well, either. One study found that it didn't work any better than placebo (a pill with no medication in it) at getting rid of mucus buildup.
Can Mucinex cause rebound congestion?
Also, do not use this medication for more than 3 days or it may cause a condition called rebound congestion. Symptoms of rebound congestion include long-term redness and swelling inside the nose and increased runny nose. If this occurs, stop using this medication and consult your doctor or pharmacist.
Mucinex and Mucinex DM both contain the drug guaifenesin. This is an expectorant. It helps loosen mucus from your lungs so that your coughs are more productive. A productive cough brings up the mucus that causes chest congestion.

Why People Think Mucinex Can Help Them Get Pregnant. "Mucinex is an expectorant that works by thinning the mucus that lines your lungs and throat and, in theory, it should help thin the cervical mucus to allow improved sperm transport to the upper female reproductive tract," Dr. Antero adds.
Common side effects of Mucinex DM may include:
feeling nervous, restless, anxious, or irritable;.
Also, guaifenesin should not be given to children and infants younger than 2 years of age unless you are directed to do so by your doctor. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years of age.
- Antihistamines dry up mucous membranes of the nose and other areas such as mouth and eyes.
- Nasal decongestant sprays, such as oxymetazoline (Afrin, Vick's Sinex) and phenylephrine (Neo-Synephrine), can also be helpful.
Use medications containing guaifenesin, such as Robitussin, Mucinex, and Vicks 44E. keeping you from getting rest. Coughing is useful because it brings up mucus from the lungs and helps prevent bacterial infections.
A dry cough is one of the most common coronavirus symptoms, but some people may have a cough with phlegm (thick mucus). It can be difficult to control your cough but there are a few ways to help.
Medicines containing guaifenesin, an expectorant, help thin and loosen that excess mucus in your throat. These medicines get mucus moving again, making coughs more effective. Various Mucinex® products such as the Mucinex® Extended-Release Bi-Layer Tablets can help treat excess mucus.
This drug may make you dizzy or drowsy.
Does Mucinex help sinus congestion?
Mucinex severe congestion relief medicine helps relieve symptoms such as sinus congestion, headaches, and thins and loosens mucus.
Dizziness, drowsiness, headache, nausea, nervousness, or trouble sleeping may occur. If any of these effects last or get worse, contact your doctor or pharmacist promptly.
Take this medication by mouth with or without food, as directed by your doctor, usually every 12 hours with a full glass of water. If you are self-treating, follow all directions on the product package. If you have any questions, ask your doctor or pharmacist.
Mucinex® DM Extended-Release Bi-Layer Tablets. Controls cough, thins and loosens mucus. The extended-release bi-layer tablets last for 12 hours.
What Is The Difference Between Mucinex D and Mucinex DM? Mucinex D contains guaifenesin plus pseudoephedrine, which acts as a sinus and nasal decongestant. Mucinex DM contains guaifenesin and dextromethorphan, which is a different type of product. The two medications should never be taken at the same time.
Does Mucinex DM keep you awake? Mucinex DM can cause sleepiness and insomnia. Some people experience sleeplessness if they take it in the late afternoon. Try to take it 30 minutes before bedtime if you are having trouble sleeping due to excessive coughing.
No, Guaifenesin usually does not keep you awake. But in some individuals, it is reported that it is harder for them to sleep after intake of Guaifenesin, which is not a common side effect of this drug. If you experience this, you are advised to take the recommended dose in the morning and early afternoon.
If you're only looking to treat a cough, you may prefer Robitussin 12 Hour Cough Relief, which just contains dextromethorphan. On the other hand, you can use Mucinex or Maximum Strength Mucinex, which only contain guaifenesin, to reduce congestion.
The Food and Drug Administration (FDA) approved Mucinex to help loosen mucus (phlegm) and thin lung secretions, making it easier for you to cough up mucus and clear your lungs.
Mucinex® DM can help by thinning and loosening mucus, minimizing chest congestion and the urge to cough for up to 12 hours. Stay well-hydrated. Drinking water and other fluids, such as broth or caffeine-free herbal tea, can help reduce dryness that may contribute to nighttime coughing.
What does rebound congestion feel like?
If you've been using decongestant nasal sprays, here's how you can tell if you have rebound congestion: Your nasal spray isn't helping. If your nasal spray doesn't seem to work anymore or you need it more often, you've probably developed rebound congestion. You feel more stuffy as time goes on.
If a nasal decongestant spray is a fixture in your medication lineup, it's important to know that using these sprays for more than three consecutive days can actually worsen your congestion. "This side effect of nasal decongestant sprays is called rebound congestion," says Dr.
Their concentrated mist is good at breaking up mucus and helping it flow, allowing you to breathe easier in an instant. But don't use decongestants for longer or more often than what's recommended — overusing decongestant nasal sprays can actually lead to rebound congestion and make your symptoms worse.
- Cough.
- Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it may be streaked with blood.
- Fatigue.
- Shortness of breath.
- Slight fever and chills.
- Chest discomfort.
Conditions that can contribute to excess mucus include allergies, asthma, and bronchitis. Smoking and conditions like COPD and cystic fibrosis can also cause this symptom. Your doctor may order a sputum test to find the cause of your excess mucus.
Guaifenesin thins mucus in your airways, making it easier for you to cough up phlegm. And, because guaifenesin works on all the mucus membranes in your body, it may make your cervical mucus more wet and loose too.
It helps quiet wet and dry coughs. Only Mucinex DM has a bi-layer tablet with maximum-strength medicines to fight wet coughs caused by mucus as well as irritating dry coughs. The first layer is absorbed quickly by your body for fast relief. The other layer dissolves slowly to continue relieving your wet or dry cough.
The risk: They can increase your blood pressure. Decongestants are also stimulants, which can increase your heart rate or cause anxiety or insomnia. The drugs aren't recommended for people with heart disease, high blood pressure, diabetes, or angina.
They can be hazardous to your health.
Decongestants can present a host of side effects: Pills and liquid can cause dizziness, anxiety, nausea, and headaches, increased blood pressure, and irregular hearts. For people with heart issues or hypertension, taking a decongestant can lead to serious problems.
Tell your doctor right away if you have any serious side effects, including: dizziness, fainting, shaking (tremor), fast/irregular/pounding heartbeat, difficult/painful urination, mental/mood changes (such as confusion, nervousness, irritability), trouble sleeping, seizures.
Can Mucinex DM make you feel sick?
Dizziness, drowsiness, nausea, and vomiting may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects.
Mucinex is a collection of over-the-counter medications for cough, cold, and flu symptoms. The main ingredient, guaifenesin, helps loosen and thin mucus in your airways so it's easier to cough up.
Expectorants are better for breaking up wet, productive coughs, but don't take them near bedtime.
How long does it take Mucinex DM to work? Mucinex DM combines both immediate-release and extended-release active ingredients, so the effects should begin relatively quickly and last up to 12 hours. Both active ingredients, guaifenesin and dextromethorphan, will begin to show effects in 15-30 minutes.
The dextromethorphan half-life is about 3 to 4 hours, meaning that dextromethorphan can stay in your system for about 6 to 8 hours.
Mucinex is considered a chest decongestant because it loosens up mucus and helps you cough it up. It is not helpful if you have a stuffy nose or nasal congestion.
Ask your doctor or pharmacist for more details about using your product safely. These products do not cure or shorten the length of the common cold and may cause serious side effects.
Medicines containing guaifenesin, an expectorant, help thin and loosen that excess mucus in your throat. These medicines get mucus moving again, making coughs more effective. Various Mucinex® products such as the Mucinex® Extended-Release Bi-Layer Tablets can help treat excess mucus.
To prevent trouble sleeping, do not take this medication close to bedtime. If you have any questions, ask your doctor or pharmacist. Swallow the capsules whole and do not open them.