Dextromethorphan And Guaifenesin, And Other Combinations
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There are many DXM uses known in the U.S. both alone in its pure forms, and combination with other substances for a wider spectrum of action. For instance, one of the most popular cough syrups with dextromethorphan contains guaifenesin (an expectorant). Hydrobromide form of dextromethorphan medication class can be combined with various other substances to produce better anti-flu effect.
Other popular medicines with DXM may combine dextromethorphan and chlorpheniramine, phenylephrine or diphenhydramine what creates new medical purposes.
It’s important to note when buying dextromethorphan combined with other medications in any form, that they usually have about the same concentrations of active ingredients regardless of product shape.
Table of Contents
- What Are The Properties Of DXM And Guaifenesin Combinations?
- What Are The Features Of Dextromethorphan And Quinidine Combination?
- What Are The Properties Of DXM And Diphenhydramine Taken Together?
- What Are Acetaminophen And Dextromethorphan Combinations?
- What Properties Do Promethazine And Dextromethorphan Have?
- What Are The Features Of DXM And Pseudoephedrine Combination?
- Which Cough Syrup With DXM is Better To Choose For Treating Cough?
Robitussin DM, Mucinex DM (Dextromethorphan/Guaifenesin)
Which cough syrup contains DXM and guaifenesin inside together? Robitussin DM and Mucinex DM are used the most often. The medications consist of both dextromethorphan and Guaifenesin only and differ in the proportion of the composition.
Robitussin DM is one of the most popular DXM-containing medications for both medical and recreational purposes (hence the slang term “robotripping”). This is why people who robotrip often mix alcohol and dextromethorphan medication Robitussin DM. Guaifenesin thins and loosens the mucus in respiratory pathways. 20 ml of this medicine contains 20 mg of cough suppressant and 600 mg of guaifenesin. A maximum dose is 3 x 20 ml per day, each dose being separated from the other by 4 hours. A person may become dextromethorphan drowsy in case of taking/exceeding more than 4 doses, which is strongly not advised due to adverse reactions. Other side effects include:
Сhildren under 12 years of age should abstain from this cough medicine, while dextromethorphan child dose for those over 12 years of age is 5-15 mg per dose. Avoid taking Robitussin DM with any of these drugs: isocarboxazid, selegiline, or rasagiline.
Mucinex DM is another medicine that contains both guaifenesin and dextromethorphan, and it is mostly used for treating common cold and cough. The combination of dextromethorphan and guaifenesin relieves cough caused by bronchitis and other illnesses of the respiratory system, although it won’t cure bronchitis and other chronic medical conditions. Mucinex DM comes in tablet form, and each tablet contains 1200 mg of guaifenesin and 60 mg of DXM.
The most frequent side-effects of Mucinex DM:
Individuals with a rare disease called phenylketonuria should avoid taking this medicine.
Dextromethorphan-guaifenesin medicine combination can also be found in numerous other medications like Vanacof DM, Duraflu, Despec DM, Delsym Chest Congestion DM, Fenesin DM, and Aquatab DM.
Vanacof DM (Dextromethorphan/Guaifenesin/Phenylephrine)
This medicine is used for eliminating symptoms like cough, chest and other respiratory congestion, other symptoms like stuffy or runny nose, caused by flu, common cold, or allergies.
Before taking Vanacof DM, keep in mind that some side effects may appear:
- Gastrointestinal symptoms: nausea, vomiting
Vanacof DM will unlikely eliminate cough related to asthma or smoking. People with cardiovascular diseases, diabetes, or epilepsy should consult their doctor before consuming this cough medication.
Duraflu (Acetaminophen, dextromethorphan, guaifenesin, and pseudoephedrine)
These active ingredients found in numerous flu medications (Duraflu, Theraflu Max D Severe, Maxiflu DM, and others). Active ingredient acetaminophen relieves pain and is best for headaches and body aches. And the pseudoephedrine, like phenylephrine, shrinks blood vessels in the nose thus eliminating nose congestion. People can have allergic reactions to acetaminophen, the most alarming of which is a severe skin rash. If one experiences this, don’t hesitate to call 911 or another emergency line. Other side effects include:
- Dry mouth or nose
People with alcoholism, liver disease, and high blood pressure should consult their physician before Duraflu administration.
Despec DM (dextromethorphan, guaifenesin, and pseudoephedrine)
There are many cough medications that contain dextromethorphan, guaifenesin, and pseudoephedrine together in different proportions and Despec DM, Capmist DM, Maxifed DM are the most common.
These medicines are used for symptoms of hay fever, common cold, and nasal congestion, and swelling. Allergic reactions like hives, swelling, and difficulty breathing may appear when taking Despec DM, while the most common side effects are:
Despec DM won’t help with the cough caused by emphysema.
Cough medicines with dextromethorphan and quinidine are not used for treating symptoms of a common cold. These medicines are used for a completely different medical condition: pseudobulbar affect (PBA), which is a syndrome that co-occurs with ALS and Multiple sclerosis.
As a result, using these medications significantly lover DXM dosage to overdose. One such medicine is Nuedexta.
These are some of the most common side effects of this medication:
- Swelling in extremities
- Flu-like symptoms
People with a serious heart condition should abstain from Nuedexta. Individuals who are also taking quinine or mefloquine should not take Nuedexta, at least not before they stop using these drugs.
A mix of dextromethorphan and diphenhydramine is primarily used for the treatment of allergies. Benadryl will help people with symptoms of seasonal allergies, hives, and insect bites. Diphenhydramine, as most medicines for allergy, is an antihistamine, which precludes histamine-induced swellings, and vasodilatation (expansion of blood vessels).
Benadryl might cause milder adverse reactions like:
- dizziness/ drowsiness
- In more serious cases, cognitive problems and cardiovascular disturbances may appear.
Benadryl won’t help with a more intense, severe cough. Taking this medicine extensively during pregnancy or breastfeeding is not advised.
Acetaminophen And Dextromethorphan Combinations
Acetaminophen is an efficient pain reliever, which is used for the treatment of more severe cases of cold and flu. Together with DXM, acetaminophen will attenuate symptoms like headache, body aches, sore muscles. Often, these substances are paired with decongestants and expectorants to produce the best results in the battle against allergies, common colds, and flu. Medications with acetaminophen may cause severe skin rash with blisters, which is a potentially deadly allergic reaction to this drug.
Theraflu Max D Severe (Acetaminophen/Dextromethorphan/Guaifenesin/Phenylephrine)
Some of the most versatile and diverse common cold remedies contain acetaminophen, dextromethorphan, guaifenesin, and phenylephrine. It will relieve symptoms of fever, like aching joints or muscles, and high temperature. Theraflu will also clear respiratory passages and loosen up the congestion. It is not uncommon to feel adverse reactions like:
- Upset stomach
- Muscle weakness
Individuals with the overactive thyroid gland, glaucoma, and liver diseases should consult their doctor before taking Theraflu Max D Severe.
Tylenol is sold as a headache and pain reliever. It can be used for arthritis, toothaches, menstrual periods, and of course, fever, muscle, and joint aches.
Tylenol might cause some side effects:
- Skin rash
It might not be the most efficient alternative for the treatment of intense cough and congested chest.
Promethazine DM (Promethazine/Dextromethorphan)
Promethazine with dextromethorphan has a combined antihistamine and antitussive (cough-suppressant) effect. Promethazine and dextromethorphan in combinations are used for suppressing common symptoms of allergies:
- Runny nose
- Congested nose
- Irritated mucous membranes
- Watery/irritated eyes
Promethazine DM will also suppress an acute common cold cough. Due to promethazine, this medicine may cause some side effects, such as:
- Dry mouth, nose (anticholinergic symptoms)
Dextromethorphan And Pseudoephedrine
Dextromethorphan and pseudoephedrine cough preparations are good for suppressing cold and flu with cough and nasal congestion. This is due to the decongestant effect of pseudoephedrine. By shrinking blood vessels in the nose, combining dextromethorphan and pseudoephedrine clears nasal pathways, and relieves symptoms such as runny nose.
Bromfed (Brompheniramine maleate/pseudoephedrine hydrochloride/dextromethorphan hydrobromide) is the most popular syrup containing DXM and pseudoephedrine. The combination of pseudoephedrine, brompheniramine and dextromethorphan syrup will eliminate itchy and watery eyes, stuffy and itchy nose, sneezing, besides common cold signs.
In most severe cases, Bromfed can cause:
- hallucinations and tremors
- anticholinergic symptoms
People with asthma, emphysema, or chronic bronchitis should contact their doctor before taking Bromfed.
DXM Containing Medicines: Which One Is Better To Choose?
There are many medications containing DXM, and a lot of different combinations, which sometimes have different effects. For instance, Robitussin DM will work against flu and cold, and especially against chest congestion (thanks to guaifenesin), but is not suitable for allergies. DXM medicines with antihistamines, such as brompheniramine and chlorpheniramine, will help with hay fever and other allergies. Usually, it is possible to find alternative forms for these combinations like DXM capsules with guaifenesin, which might be useful for people who don’t like syrups.
However, just as all these chemicals have certain benefits, there are some downsides and possibilities of abuse. DXM, especially when combined with other active ingredients, may lead to drug overdose and DXM plateau sigma, which is the most severe form of overdose. Chronic consumption of all drugs mentioned in this text warrants special treatment.
Is it possible to detox from dextromethorphan and other common cold medications? There are various rehabilitation institutions, the basic part of which is detox therapy. For psychological detox, there are psychotherapeutic programs and addiction treatment options.
Studies pertaining to the question of dextromethorphan and breastfeeding are still scarce, but other chemicals that are present in cough and allergy medicines may be harmful.
- Croughan-Minihane MS, Petitti DB, Rodnick JE, Eliaser G. Clinical trial examining effectiveness of three cough syrups. 1993. https://www.ncbi.nlm.nih.gov/pubmed/8452062
- Olesen AE, Staahl C, Ali Z, Drewes AM, Arendt-Nielsen L. Effects of paracetamol combined with dextromethorphan in human experimental muscle and skin pain. 2007. https://www.ncbi.nlm.nih.gov/pubmed/17697036
- Center For Drug Evaluation And Research Approval Labeling. Phenegran With Dextromethorphan – Addition Of Geriatic Use Labeling. 2000, 8-33. https://www.accessdata.fda.gov/drugsatfda_docs/nda/2001/011265_S027_PHERGAN_AP.pdf
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