Mucinex dm insomnia

Guaifenesin-Pseudoephedrine is an over-the-counter medication used for temporary relief of nasal congestion and cough associated with respiratory tract infections and related conditions such as sinusitis, pharyngitis, bronchitis, and asthma.Guaifenesin-Pseudoephedrine is available under the following different brand names: Mucinex D, …

Common side effects of Mucus Relief DM may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. A: Mucinex D contains pseudoephedrine, which can raise your blood pressure, cause anxiety, sleep issues, and other side effects. Can guaifenesin, on the other hand, cause insomnia, you might wonder? Dizziness, drowsiness, a headache, an upset stomach, nausea, constipation, nervousness, and sleeping difficulties are all possible symptoms. Omg this has been happening to me the past couple of nights too since I started taking the sinus max mucinex. Waking up with crippling anxiety and an overwhelming sense of doom. I was literally shaking last night and have been experiencing bad insomnia since I …Generic Mucinex D. Used for Nasal Congestion, Cough. Mucinex D is a combination medication containing two active ingredients: guaifenesin (an expectorant) and pseudoephedrine (a decongestant). It's used to help temporarily relieve stuffy nose, chest congestion, and sinus pressure. This medication can be used for people 12 years of age …The dosage of Mucinex Fast-Max for adults and children over age 12 is 20 milliliters of liquid or two caplets every four hours, according to the Mucinex website. Children under the...Find patient medical information for Mucinex DM oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.As Mucinex lasts 12 hours per dose, it is indicated for twice daily dosing. Brand Mucinex is available in two strengths, regular and 'Maximum Strength'. The regular strength tablets contain 600 mg of guaifenesin while the maximum strength contains 1,200 mg of guaifenesin. Although they vary considerably in strength, both products last 12 hours.

Chronic insomnia and dreading it can start to feel like the chicken-egg situation. Here's how to fully treat it. Counting on researched sleep training techniques may be more effect...blood in your urine. pain or burning when you urinate. difficulty urinating. Symptoms of brain or nerve damage include: memory or vision loss. arm and leg weakness. coordination problems. Stop ...sleep problems, including insomnia, sleepwalking, and unusual dreams; suicidal thoughts or behaviors; ... (Mucinex DM, Robitussin), if your doctor or pharmacist says it’s safe for you to take; There are 1,317 people reported to have side effects when taking Mucinex d. Among them, 91 (6.91%) have insomnia. These people tend to be female, 60+ old, have been taking the drug for < 1 month, also take medication Xyrem, and have Narcolepsy Apr 9, 2024 · severe dizziness or anxiety, feeling like you might pass out. Common side effects of Mucinex DM Maximum Strength may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice ...

Mar 5, 2024 · severe nausea or vomiting; severe headache, blurred vision, pounding in your neck or ears; slow breathing; or. unusual changes in mood or behavior. Common side effects of Mucinex FreeFrom Severe Congestion and Cough may include: diarrhea, constipation; dizziness, drowsiness; sleep problems (insomnia); or. feeling nervous, restless, or irritable. Mucinex DM temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants, the intensity of coughing, and the impulse to cough to help you get to sleep. Mucinex DM is available over-the-counter (OTC). Common side effects of Mucinex DM include dizziness, drowsiness, nausea, and ...Find patient medical information for Mucinex Sinus-Max Severe Congestion-Pain(DM) oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.Some dosage forms listed on this page may not apply to the brand name Mucinex. Applies to guaifenesin: oral liquid, oral solution, oral syrup, oral tablet, oral tablet extended release. Serious side effects of Mucinex. Along with its needed effects, guaifenesin (the active ingredient contained in Mucinex) may cause some unwanted effects ...Mucinex Fast-Max Adult Severe Congestion and Cough Liquid contains Dextromethorphan HBr, a cough suppressant, Guaifenesin, an expectorant, and Phenylephrine HCl, a nasal decongestant. Use as directed. Made in United Kingdom. Do not take more than 6 doses in any 24-hour period. Measure only with dosing cup provided.

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Sleep disorders include any abnormality in a person's sleep patterns. Learn about the diagnosis and treatment of sleep disorders. Advertisement From insomnia to narcolepsy, sleep d...Mucinex DM contains two active ingredients: The expectorant guaifenesin. The cough suppressant dextromethorphan. Now, guaifenesin has not been linked to causing false positives on urine drug tests but dextromethorphan has been. However, dextromethorphan causing a false-positive is thought to be very uncommon and if it does occur, there are ...Difficulties with sleeping and experiences with insomnia can trigger migraine symptoms. But melatonin may be an effective option to help you cope. Melatonin supplements may help so...11 Aug 2023 ... Guaifenesin, Mucinex DM, Diabetic Tussin, Tessalon, and Coricidin HBP are some Mucinex alternatives. Get the full list here.The active ingredients in Mucinex DM are guaifenesin 1200 milligrams and dextromethorphan HBr 60 milligrams. Mucinex DM is an expectorant and cough suppressant. According to WebMD....

Common side effects of Mucinex DM may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. See moresevere dizziness or anxiety, feeling like you might pass out. Common side effects of Tussin DM Max may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.Mucinex®DM. Drug Facts. Active ingredients (in each extended-release bi-layer tablet) Purposes; Dextromethorphan HBr 30 mg: Cough suppressant: Guaifenesin 600 mg: Expectorant: Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive;Get Mucinex DM for as low as $16.09, which is 16% off the average retail price of $19.04 for the most common version, by using a GoodRx coupon. Prices Medicare Drug Info Learn about brand-name medications Side Effects. Images. Prescription 600mg/30mg Mucinex DM (20 tablets) edit. Choose pharmacy location_on boydton, VA.Can Mucinex DM Cause Insomnia? Expert Answers • Mucinex DM Insomnia • Discover if Mucinex DM can lead to sleep disruption and learn how to minimize the risk ...I’m sure I’m not the only one who had a minor meltdown on seeing that Slack had finally added the Connect feature it announced in October. I’m a firm believer that there are alread... Save $5 - SIGN UP NOW. If you're looking for cough & chest congestion medicine to control cough & thin and loosen tough mucus that's bothering you, call in Maximum Strength Mucinex DM Extended-Release Bi-Layer Tablets. One dose lasts for 12 hours. The main ingredient in most Mucinex products is guaifenesin. Guaifenesin helps loosen and thin mucus in your airways so you cough it up easier. But there’s not much evidence showing that it works. Combination Mucinex products contain other ingredients for multi-symptom relief. Mucinex DM and Mucinex Fast-Max Cold & Flu are two examples.Drug interactions are reported among people who take Mucinex dm and Naproxen. Common interactions include otorrhoea among females, and balance disorder among males. The phase IV clinical study analyzes what interactions people have when they take Mucinex dm and Naproxen together. It is created by eHealthMe based on 29 reports …Mucinex DM temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants, the intensity of coughing, and the impulse to cough to help you get to sleep. Mucinex DM is available over-the-counter (OTC). Common side effects of Mucinex DM include dizziness, drowsiness, nausea, and ...Mucinex®DM. 1200 mg guaifenesin & 60 mg dextromethorphan HBr extended-release bi-layer tablets. EXPECTORANT & COUGH SUPPRESSANT. 12 HOUR. NEW LOOK- SAME RELIEF. Thins And Loosens Mucus. Controls Cough. 14 EXTENDED-RELEASE BI-LAYER TABLETS. MUCINEX DM guaifenesin and dextromethorphan hydrobromide tablet, …MUCINEX DM- guaifenesin and dextromethorphan hydrobromide tablet, extended release If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 66715-6424-1 2: 66715-6524-1 3: 66715-9724-1 ...

1-866-MUCINEX (1-866-682-4639) You may also report side effects to this phone number. SPL UNCLASSIFIED SECTION Dist. by: RB Health (US) Parsippany, NJ 07054-0224

If you're looking for cough & chest congestion medicine to control cough & thin and loosen mucus that's bothering you, call in Mucinex DM Extended-Release Bi-Layer Tablets. One dose lasts for 12 hours. severe dizziness or anxiety, feeling like you might pass out. dizziness, drowsiness; sleep problems (insomnia); diarrhea; or. feeling nervous, restless, anxious, or irritable. Common side effects ... When you post on Twitter, every user that follows your Twitter account can see the message. Alternatively, direct messages on the site are private messages between two users that n...Find patient medical information for Mucinex Sinus-Max Severe Congestion-Pain(DM) oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.Anonymous; Taken for less than 1 month; August 19, 2014; For Cough and Nasal Congestion "I have bronchitis was coughing non stop with chest congestion. I bought a package of Mucinex DM, I took one tablet around 10pm fell asleep at midnight woke up at 2am jittery still completely wide awake at 6am, good news is I can breathe clearly I haven't coughed in 8 hours; it works that's why I give it a ...Get emergency medical help if you have signs of an allergic reaction to guaifenesin: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Common guaifenesin side effects may include: dizziness, headache; drowsiness; rash; or. nausea, vomiting, stomach upset. This is not a complete list of side effects and others may occur.Taking Mucinex At Night. Very often, the concern with taking certain medications at night is the potential for them to cause insomnia, or trouble sleeping. Fortunately, as it concerns Mucinex, that isn't a known side effect of the medication. In fact, Mucinex has very few reported side effects, and only rarely do they occur. In general, only ...

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Common side effects of Mucus Relief DM may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.Answer. Mucinex DM likely isn't your best option for treating sinus congestion. Mucinex DM contains the following two active ingredients: Guaifenesin. Dextromethorphan. Guaifenesin is an expectorant, which helps to thin and loosen mucus, easing expectoration. Guafenesin is most commonly used for chest congestion and for …Apr 9, 2024 · severe dizziness or anxiety, feeling like you might pass out. Common side effects of Mucinex DM Maximum Strength may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice ... Serious side effects. For children. Takeaway. Mucinex can cause mild to moderate side effects in some people. This can include digestive symptoms, dizziness, and drowsiness. If mucus sits in your ...MUCINEX DM- guaifenesin and dextromethorphan hydrobromide tablet, extended release If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 66715-6424-1 2: 66715-6524-1 3: 66715-9724-1 ...NDC 63824-072-35 MAXIMUM STRENGTH. Mucinex®DM 1200 mg guaifenesin & 60 mg dextromethorphan HBr extended-release bi-layer tablets. EXPECTORANT & COUGH SUPPRESSANT. 12 HOUR ®. Controls Cough. Thins and Loosens Mucus. Immediate and Extended Release. 14 EXTENDED-RELEASE BI-LAYER TABLETS. MUCINEX DM MAXIMUM STRENGTHguaifenesin and dextromethorphan ...Drug Facts. ACTIVE INGREDIENT. Active ingredients (in each extended-release bi-layer tablet)Purposes - Dextromethorphan HBr 30 mgCough suppressant - Guaifenesin 600 mgExpectorant. Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs …Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination. Mucinex D and Mucinex DM both contain the expectorant guaifenesin (which is contained as a single ingredient in Mucinex).. …Feb 1, 2024 · headache. hives. nausea or vomiting. skin rash. stomach pain. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088. Dextromethorphan (3-methoxy-N-methylmorphinan), also known as “DXM” and “the poor man’s PCP,” is a synthetically produced drug that is available in more than 140 over-the-counter cough and cold preparations. 1, 2 Dextromethorphan (DXM) has overtaken codeine as the most widely used cough suppressant due to its availability, …Published Aug 12, 2021. Last updated May 03, 2024. Key points. The primary difference between Mucinex, Mucinex-DM, and Mucinex-D is that they all contain different active …Mucinex DM Dosage and Administration. do not crush, chew, or break tablet. take with a full glass of water. this product can be administered without regard for timing of meals. adults and children 12 years and older: 1 or 2 tablets every 12 hours; not more than 4 tablets in 24 hours. children under 12 years of age: do not use. ….

Excessive dosages or long-term dosing of Mucinex has been linked with nausea, diarrhea, headache, and kidney stones, but these appear to occur only rarely. There are very few published case reports documenting Mucinex overdoses being a contributing factor to serious side effects or death. Animal studies report an LD50 (lethal …Mucinex® DM. 600 mg guaifenesin & 30 mg dextromethorphan HBr extended-release bi-layer tablets. EXPECTORANT & COUGH SUPPRESSANT. 12 HOUR. Controls Cough Thins And Loosens Mucus. 20 Pouches – 2 tablets each. ← extended-release ← immediate-release. MUCINEX DM guaifenesin and dextromethorphan hydrobromide …It'll slightly decrease the quality of your sleep and it's habit/dependancy forming so don't take it more than one night in a row and maybe twice in a week. Don't use it for sleep long term either. I'll use that or benadryl to knock me out on really bad insomnia nights, to good success. Melatonin and benadryl. Mucinex DM give me weird dreams.Common side effects of Capmist DM may include: diarrhea; dizziness, drowsiness; sleep problems (insomnia); or. feeling nervous, restless, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.Summary: Drug interactions are reported among people who take Melatonin and Mucinex. Common interactions among females include dizziness and influenza. Common interactions among males include death and fatigue. The phase IV clinical study analyzes what interactions people have when they take Melatonin and Mucinex together.Mucinex D is (guaifenesin and pseudoephedrine) is an expectorant/nasal decongestant combination, and Mucinex DM (guaifenesin and dextromethorphan) is an expectorant/cough suppressant combination. Mucinex D and Mucinex DM both contain the expectorant guaifenesin (which is contained as a single ingredient in Mucinex).. …Nightshift® Sinus Liquid. Formulated with 4 maximum-strength medicines to relieve your worst nighttime sinus and nasal congestion symptoms. One liquid dose helps clear your runny nose and sinus pressure, relieve itchy, watery eyes and your nagging body pain or headache, and control coughing to help you get to sleep at night.Mucinex Nightshift Severe Cold And Flu Maximum Strength (Oral) received an overall rating of 0 out of 10 stars from 0 reviews. See what others have said about Mucinex Nightshift Se...Full effect. Drug Facts. Common Brands Mucinex DM, Adult Tussin Cough and Congestion DM, Robitussin Cough and Chest Congestion DM.severe dizziness or anxiety, feeling like you might pass out. dizziness, drowsiness; sleep problems (insomnia); diarrhea; or. feeling nervous, restless, anxious, or irritable. Common side effects ... Mucinex dm insomnia, severe nausea or vomiting; severe headache, blurred vision, pounding in your neck or ears; slow breathing; or. unusual changes in mood or behavior. Common side effects of Mucinex Fast-Max Severe Congestion & Cough may include: diarrhea, constipation; dizziness, drowsiness; sleep problems (insomnia); or. feeling nervous, restless, or irritable., Oct 22, 2023 · Dizziness. Feeling nervous and excitable. Not able to sleep. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov ... , sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your …, Deje de utilizar este medicamento y llame a su médico de inmediato si usted tiene: cambios de ánimo; dolor de cabeza severo; o. mareo o ansiedad severo, sentir que se puede desmayar. Los efectos secundarios comunes pueden incluir: mareo, somnolencia; problemas para dormir (insomnio); diarrea; o. sensación de nervios, inquietud, o irritabilidad., Anyone with concerns that a person they know is misusing DXM can look out for the following signs: loss of interest in activities or hobbies. empty cough and cold medication containers. medicinal ..., Mucinex DM contains dextromethorphan and Guaifenesin. Both of these do not affect blood pressure. Sometimes it may affect heart rate in older patients. Always consult a doctor if you have a heart condition. ... Mucinex DM can cause sleepiness and insomnia. Some people experience sleeplessness if they take it in the late afternoon. Try to take ..., severe dizziness or anxiety, feeling like you might pass out. Common side effects of Tussin DM Max may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects., Oct 18, 2023 · Use Robitussin DM (guaifenesin and dextromethorphan liquid) as ordered by your doctor. Read all information given to you. Follow all instructions closely. Take with or without food. Take with food if it causes an upset stomach . Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor. , Yes, you can safely take Mucinex at night. Mucinex contains Guaifenesin, which is an expectorant (1). Guaifenesin does not affect your brain or cause any type of sleep disturbance. This is why you can take Mucinex at any time of the day. Mucinex is generally available in two strengths – 200 and 400 mg that can be taken 4-5 times a day., MUCINEX DM- guaifenesin and dextromethorphan hydrobromide tablet, extended release If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 66715-6424-1 2: 66715-6524-1 3: 66715-9724-1 ..., severe dizziness or anxiety, feeling like you might pass out. Common side effects of Mucinex Cough and Chest Congestion may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may occur., Summary: Drug interactions are reported among people who take Mucinex dm and Topiramate. Common interactions among females include ear haemorrhage and urinary tract infection. Common interactions among males include dyskinesia and headache. The phase IV clinical study analyzes what interactions people have when they take Mucinex …, Common side effects of Capmist DM may include: diarrhea; dizziness, drowsiness; sleep problems (insomnia); or. feeling nervous, restless, or irritable. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088., dextromethorphan food. Applies to: Mucinex DM (dextromethorphan / guaifenesin) Alcohol can increase the nervous system side effects of dextromethorphan such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated ..., Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold or flu. It works by thinning the mucus or phlegm in the lungs. This medicine is available both over-the-counter (OTC) and with your doctor's prescription., Jul 24, 2023 · The decongestant component can cause sleep disturbances/insomnia and is therefore not advised to be used at night. What does the ‘DM’ stand for in Mucinex DM? A product with DM at the end ... , The decongestant component can cause sleep disturbances/insomnia and is therefore not advised to be used at night. What does the ‘DM’ stand for in Mucinex DM? A product with DM at the end ..., Use Robitussin DM (guaifenesin and dextromethorphan liquid) as ordered by your doctor. Read all information given to you. Follow all instructions closely. Take with or without food. Take with food if it causes an upset stomach . Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor., Learn about the potential side effects of Mucinex DM and how Nao Medical can help you manage them. Book an appointment today., Mucinex is a bi-layer tablet, with one layer being immediate release and the other slowly releasing medication over 12 hours. This allows the product to be both quick acting and long-lasting. If you are having year-round allergy symptoms, it may be beneficial to add on an antihistamine, such as Claritin or Allegra for daily use as well., Mucinex DM contains dextromethorphan and Guaifenesin. Both of these do not affect blood pressure. Sometimes it may affect heart rate in older patients. Always consult a doctor if you have a heart condition. ... Mucinex DM can cause sleepiness and insomnia. Some people experience sleeplessness if they take it in the late afternoon. Try to take ..., Anonymous; Taken for less than 1 month; August 19, 2014 "I have bronchitis was coughing non stop with chest congestion. I bought a package of Mucinex DM, I took one tablet around 10pm fell asleep at midnight woke up at 2am jittery still completely wide awake at 6am, good news is I can breathe clearly I haven't coughed in 8 hours; it works that's why …, Dec 29, 2015 · ANSWER: While many people rely on nasal decongestants to help ease symptoms of a cold or flu, these medications can sometimes cause more harm than good, especially if taken repeatedly. Examples of commonly used decongestants include phenylephrine and pseudoephedrine. Often, these ingredients are included in multi-symptom cold and flu ... , Sudafed works as a decongestant. It helps to relieve stuffiness and sinus congestion or pressure due to the common cold or seasonal allergies. Mucinex is an expectorant. It loosens mucus and thins secretions in the lungs. This can help reduce chest congestion and make coughs more productive. You may opt to use Mucinex if your symptoms are ..., ANSWER: While many people rely on nasal decongestants to help ease symptoms of a cold or flu, these medications can sometimes cause more harm than good, especially if taken repeatedly. Examples of commonly used decongestants include phenylephrine and pseudoephedrine. Often, these ingredients are included in multi-symptom cold and flu ..., Mucinex is a bi-layer tablet, with one layer being immediate release and the other slowly releasing medication over 12 hours. This allows the product to be both quick acting and long-lasting. If you are having year-round allergy symptoms, it may be beneficial to add on an antihistamine, such as Claritin or Allegra for daily use as well. They ..., Have trouble falling asleep, staying asleep, or both? You may have insomnia, a common sleep disorder. Learn about symptoms, diagnosis, and treatment. Insomnia is a common sleep dis..., Not able to sleep. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice …, There is plenty of misinformation about how much sleep adults need to get in order to be well rested in the morning. According to the CDC, adults need an average of 7 or more hours..., Dec 15, 2022 · The main ingredient in most Mucinex products is guaifenesin. Guaifenesin helps loosen and thin mucus in your airways so you cough it up easier. But there’s not much evidence showing that it works. Combination Mucinex products contain other ingredients for multi-symptom relief. Mucinex DM and Mucinex Fast-Max Cold & Flu are two examples. , Yes, the regular Mucinex product can make you tired, especially if it is paired with other cold & flu medications. Its active ingredient is guaifenesin, which is an expectorant that has “mild to moderate sedative activity.”. *Note: Mucinex Nightshift is specifically designed for use at night and will definitely make you feel tired and sleepy., Save $5 - SIGN UP NOW. If you're looking for cough & chest congestion medicine to control cough & thin and loosen tough mucus that's bothering you, call in Maximum Strength Mucinex DM Extended-Release Bi-Layer Tablets. One dose lasts for 12 hours., Mucinex side effects. Get emergency medical help if you have signs of an allergic reaction to Mucinex: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Common side effects of Mucinex may include: stomach upset. This is not a complete list of side effects and others may occur.