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Poly-Vent DM

Generic names: dextromethorphan, guaifenesin, and pseudoephedrine [dex-troe-meth-OR-fan, gwye-FEN-e-sin, soo-doe-e-FED-rin].
The brand names are: Capmist DM, Despec Drops, Maxifed DMX, Poly-Vent DM, Trispec PSE,…
The class of drug: upper respiratory combinations

What is Poly-Vent DM?

Dextromethorphan is an effective cough suppressant. It alters the brain signals, which trigger the cough reflex. Guaifenesin is an expectorant. It assists in easing congestion from your throat and chest, which makes it easier to expel your cough through your mouth. Pseudoephedrine can be described as an anti-congestant that reduces blood vessels in nasal passages. The blood vessels are dilapidated, which can cause the nasal passages to become congested (stuffy nostrils). Poly-Vent DM is a combination medication that treats congestion, coughing, stuffy nasal congestion, and chest congestion caused by allergies, commonly occurring colds, as well as an illness called the flu. Poly-Vent DM does not treat coughs that are the result of smoke, asthma, or emphysema. Poly-Vent DM could also be used to treat conditions not mentioned in this medication guide.

Side effects of Poly-Vent DM.

See a doctor immediately. If you are experiencing symptoms or warning signs of an allergic response, like hives, trouble breathing, or swelling of your lips, face, and tongue,

This medication could cause severe adverse reactions. Take this medication off and contact your doctor immediately if you suffer from:

  • Heart rate that is irregular or fast;
  • Intense nausea as well as anxiety that makes you feel like you're about to pass out
  • Extremely migraine;
  • Mood shifts;
  • Fever or
  • Extremely hypertension (severe headache, blurred vision, a hearing buzzing chest pain, anxiety, unsteady heartbeats, seizures).

Common adverse effects of poly-vent dm could include:

  • Diarrhea;
  • Dizziness, drowsiness;
  • Sleep problems (insomnia); or
  • Being anxious, restless, or angry.

This is not a comprehensive list of possible side effects, and others could happen. Consult your physician to seek medical advice on the effects. You may report any adverse reactions to the FDA at 1-800-FDA-1088.


Do not take Poly-Vent DM in the event that you've taken an MAO inhibitor within the last 14 days, including isocarboxazid or linezolid, blue injections, phenelzine rasagiline, and selegiline or tranylcypromine.

Prior to use this drug

This medicine is for you if you're allergic to dextromethorphan, guaifenesin, or pseudoephedrine.

Do not take this medicine. If you've previously used an MAO inhibitor in the last 14 days, A drug interaction that is dangerous can occur. MAO inhibitors are isocarboxazid rasagiline, linezolid, phenelzine selegiline, tranylcypromine, and a few others.

Speak with a pharmacist or doctor about whether it is appropriate for you to take Poly-Vent D if you suffer from:

  • High blood pressure and coronary artery diseases;
  • Diabetes;
  • Glaucoma;
  • Epilepsy or any other seizures;
  • Prostate enlargement or urinary problems
  • Pheochromocytoma (an adrenal gland's tumor) (also known as
  • Cough that is mucusy or cough that is caused by emphysema as well as chronic bronchitis.

It is unclear if poly-vent DM could cause harm to an unborn baby. Talk to your doctor prior to taking this medication if you are expecting The medicine could pass through breast milk and cause harm to a nursing infant. Decongestants can also affect the production of breast milk. Talk to your doctor prior to taking this medication if you are breastfeeding babies. Artificially sweetened cold medicine could contain phenylalanine. If you suffer from the condition known as phenylketonuria (PKU), look over the medication label to determine whether the product contains phenylalanine.

How to take Poly-Vent?

Take exactly as indicated on the label or as directed by your physician. Don't use in greater than smaller quantities or for longer periods than recommended. Cold and cough medicine is typically only used for a brief period of time until symptoms improve.

Do not give this medicine to a child who is less than four years old. Always consult with a physician prior to giving a cold or cough medicine to young children. Death can occur because of the misuse of cough or cold medications by children who are very young. Don't crush, chew, or break the extended-release tablets. Suck it up whole.

Take measurements of liquid medicines using the dosing syringe that comes with it, or use a measuring spoon or a medicine cup. If you don't own an instrument for measuring doses, request one from your pharmacist. one.

Drink plenty of fluids to ease congestion and smooth your throat when you're using this medication. If you are in need of an operation or tests for medical reasons, notify your doctor or surgeon prior to the time of surgery if you have taken Poly-Vent in the last few days.

Do not take more than seven days consecutively. Discuss with your doctor when your symptoms don't improve after seven days of treatment or if you experience an illness that causes a headache, fever, or a skin eruption. Keep the medicine at room temperature, far from heat and moisture. Make sure that you do not allow liquid medicines to cool down.

What happens if I miss the dose?

This medication is only used when it is needed, and you are not following a regular dosing regimen. If you're taking the medication on a regular basis, you should take the missed dose whenever you remember. Don't miss any missed doses if it's close to the time of the next dose. Do not take any additional medicine to make up for the missed dose.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact the Poison Help Line toll-free at 1-800-222-1222.

What should be avoided?

Poly-Vent DM could cause blurred vision or affect your reaction or thinking. Be aware when you drive or engage in any activity that requires that you be conscious and in a position to clearly see.

Drinking alcohol can trigger the effects of this medication.

Consult a physician or pharmacist before taking any other cough, cold, or allergy medication. Poly-Vent DM is found in a variety of combinations of medicines. Combining certain medicines can result in too much of a particular medicine. Look at the label to determine whether the medicine is an expectorant, decongestant, or cough suppressant.

Interaction with other drugs

Consult a physician or pharmacist prior to taking this medication if you're taking any other medications that include prescription or over-the-counter medicine, vitamins, and herbal products. Certain medicines may cause undesirable or even dangerous reactions when taken together. Not all interactions are included in this guideline for medications.

Combining this medication with other medicines that cause you to sleep or cause breathing problems can make these effects worse. Talk to your doctor prior to taking this medicine along with sleeping pills, narcotic pain medicine, muscle relaxers, or medications that treat depression, anxiety, depression, or seizures.