What does DM mean in Sudafed?
Dextromethorphan, guaifenesin, and pseudoephedrine. Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex.
Adults and children 12 years of age and older—60 milligrams (mg) every four to six hours. Do not take more than 240 mg in twenty-four hours. Children 6 to 12 years of age—30 mg every four to six hours. Do not take more than 120 mg in twenty-four hours.
Pseudoeph-Bromphen-Dm Warnings
Read the label carefully or ask your pharmacist so you know what is in your product. This medicine can make you drowsy or restless. Avoid taking at bedtime if it makes you restless. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
Symptoms of an overdose of Sudafed can include: fast heart rate. dizziness. anxiety or restlessness.
Maximum strength non-drowsy decongestant provides long-lasting sinus pressure & congestion relief. These tablets contain 120 mg of pseudoephedrine HCl and provide powerful symptom relief for 12 hours.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: breathing problems (such as emphysema, chronic bronchitis, asthma, smoker's cough), cough with blood or large amounts of mucus, liver problems. This drug may make you dizzy or drowsy.
Pseudoephedrine is used to relieve nasal or sinus congestion caused by the common cold, sinusitis, and hay fever and other respiratory allergies. It is also used to relieve ear congestion caused by ear inflammation or infection.
Pseudoephedrine is a decongestant that helps you breathe more easily if your nose is stuffy or blocked (nasal congestion). This happens when blood vessels in the cavities in your nose (sinuses) become swollen. Pseudoephedrine works by reducing this swelling and that helps mucus and air flow more freely.
Decongestant nasal sprays and drops should not be used for more than a week at a time because using them for too long can make your stuffiness worse. Speak to a GP if your symptoms do not improve after this time.
A stuffy nose keeps sleep at bay, but so does pseudoephedrine, the main ingredient in many OTC decongestants (it's been known to cause insomnia).
What does DM mean in medicine?
The "DM" refers to the cough suppressant ingredient, dextromethorphan. In other medications that have just "D" in the name, it refers to the decongestant pseudoephedrine, which isn't in this medication. Is it all right to take Mucinex DM (guaifenesin / dextromethorphan) every day?
“There is currently no clinical data indicating that the cough suppressant dextromethorphan has a pro-viral effect in people with COVID-19 infection. The study results published in Nature are experimental, preliminary, and not conclusive. The Nature article is based on a hypothesis generating non-clinical study.

Adults and children 12 years and over:
take 2 caplets every 4 hours. do not take more than 10 caplets in 24 hours.
Do oral decongestants cause rebound congestion, too? As for the varieties of oxymetazoline or phenylephrin that are taken orally, such as Sudafed, Dr. Ahmed says there's little risk of rebound congestion.
Drink plenty of water: Water can help thin mucus, which is more likely to drain. Make a wrap: Applying a warm towel to your head to ease swollen tissues and relieve pressure. Get steamy: Inhaling steam helps keep nasal passages moist and assists with drainage.
SUDAFED® Sinus Max Strength Capsules
These maximum strength capsules get to the root cause of congested sinuses by relieving sinus pressure, pain and tension effectively. SUDAFED® Sinus Max Strength Capsules can be used to relieve symptoms including headaches, fevers, aches and pains and a stuffy nose.
- Best sinus decongestant for allergies: Benadryl Allergy Plus Decongestant Ultratabs.
- Best OTC decongestant for a headache: Advil Sinus Congestion and Pain.
- Best OTC sinus decongestant nasal spray: Afrin No Drip Severe Congestion.
Use a humidifier or vaporizer. Take long showers or breathe in steam from a pot of warm (but not too hot) water. Drink lots of fluids. This will thin out your mucus, which could help prevent blocked sinuses.
Dextromethorphan will relieve a cough but will not treat the cause of the cough or speed recovery. Dextromethorphan is in a class of medications called antitussives. It works by decreasing activity in the part of the brain that causes coughing.
It is in the morphinan class of medications with sedative, dissociative, and stimulant properties (at lower doses).
Does DM make you dizzy?
Dextromethorphan belongs to a group of drugs called cough suppressants. These work by decreasing activity in the part of the brain that causes coughing. This medication comes in tablet and is taken twice daily with plenty of water. Common side effects of Mucinex DM include dizziness, lightheadedness, and nervousness.
This medicine works by shrinking swollen tissues and allowing mucus to drain.
- Take a nasal decongestant.
- Blow your nose gently.
- Use a nasal rinse or nasal irrigation system.
- Use a humidifier, as dry air can irritate your nasal passages.
- Avoid tobacco smoke and other irritants.
Its chemical structure is similar to that of amphetamine. However, the effects of Sudafed are slightly weaker than those of amphetamine.
Taking oral decongestants can raise your blood pressure and heart rate. Sometimes, even a couple doses can have these effects. Over time, high blood pressure can raise your risk for more serious problems, such as heart attacks.
Is Sudafed or Mucinex better? Each medication is used for a different purpose. If you are experiencing nasal congestion, and you do not have any of the health conditions listed in the warnings above, you may want to take Sudafed. And if you are coughing up a lot of phlegm, you may want to take Mucinex.
Try rubbing diluted eucalyptus oil on the chest as a decongestant, or inhale eucalyptus or peppermint oil to clear stuffiness. Adding lavender, cedar, or lemon to steam may also soothe nasal passages. Inhaling menthol not only provides relief from nasal congestion, but might help inhibit infection as well.
- Take an antihistamine. ...
- Diffuse an essential oil in your bedroom. ...
- Use a humidifier in your bedroom. ...
- Keep your bedroom cool and dark. ...
- Apply a nasal strip. ...
- Apply an essential oil chest rub. ...
- Apply a menthol chest rub. ...
- Prop up your head so you remain elevated.
Sudafed can start working within 30 minutes. Immediate-release forms of Sudafed can begin to wear off after four to six hours. Extended-release versions of Sudafed last longer, so you don't have to take it as frequently.
Pseudoephedrine belongs to a group of medicines that act as decongestants by constricting small blood vessels in the nasal passages. Thus, less inflammation and congestion as the sinus tissue settles down a bit. It may improve thinking by improving breathing and sleep.
What is the best nighttime decongestant?
- Breathe Right.
- Afrin.
- CVS Health.
- Mucinex.
No interactions were found between ibuprofen and Sudafed 12-Hour.
Slight drowsiness/dizziness, nausea, or vomiting may occur. Rarely, some people may experience severe drowsiness/dizziness with normal doses. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
- Blurred vision.
- difficulty in urination.
- drowsiness or dizziness.
- nausea or vomiting (severe)
- shakiness and unsteady walk.
- slowed breathing.
- unusual excitement, nervousness, restlessness, or irritability (severe)
Does Dextromethorphan keep you awake? Contrary to that, DXM has been reported to induce drowsiness in therapeutic and higher than recommended doses. DXM acts as a central nervous system depressant and generates sedative, dissociative effects.
- 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. People with asthma and other lung diseases need to cough.
You may take an expectorant/cough suppressant combination as needed for cough and congestion. Take an antihistamine/decongestant combination for your allergy symptoms and congestion. If you have uncontrolled blood pressure, then you should avoid the decongestant component.
The "DM" refers to the cough suppressant ingredient, dextromethorphan. In other medications that have just "D" in the name, it refers to the decongestant pseudoephedrine, which isn't in this medication.
Generic Name:Dextromethorphan and guaifenesin. Dextromethorphan is a cough suppressant. Guaifenesin is an expectorant. Dextromethorphan and guaifenesin is a combination medicine used to treat cough and chest congestion caused by the common cold or allergies.
What is the difference between Mucinex DM and Sudafed?
Are Sudafed and Mucinex the same? No. Sudafed contains pseudoephedrine and is used for nasal congestion or a stuffy nose. Mucinex contains guaifenesin and is used to loosen chest congestion.
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.
It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.
Interactions between your drugs
No interactions were found between Mucinex DM and Sudafed 12-Hour. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.
do not take more than 6 doses in any 24-hour period - measure only with dosing cup provided. Do not use any other dosing device.
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.
Uses. This combination medication is used to temporarily treat cough, chest congestion, fever, body aches, and stuffy nose symptoms caused by the common cold, flu, or other breathing illnesses (such as sinusitis, bronchitis).
Over-the-counter medications used for upper respiratory infections may help alleviate symptoms. Those medications include guaifenesin (Mucinex), pseudoephedrine (Sudafed), and dextromethorphan (Robitussin, Delsym).
Sudafed 12 Hour (pseudoephedrine ) is a decongestant medication. Decongestant drugs cause the mucous membranes in nasal passages to contract, which decreases swelling and secretion of mucus.