Mucinex and nyquil at the same time

Applies to: Mucinex DM Maximum Strength (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 …

Yes, but no need: Nyquil contains acetaminophen, the active ingredient in tylenol. No need to double dose. Tylenol is very same, so lokiely no harm would come from it. Still, i would not take more medication than i need. Answered 3/7/2016.In regard to NyQuil and Sudafed (pseudoephedrine), they can safely be taken together as NyQuil does not already contain a decongestant and there are no interactions between any of the drugs. You can also take one in the morning and one in the evening as you suggested. The 'original' NyQuil contains the following ingredients: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 ... Overview. In the vast majority of individuals, it is safe to take Allegra (fexofenadine) the same day as NyQuil, even though Allegra is an antihistamine and NyQuil contains an antihistamine. However, they generally should not be taken at the same time. At the very least, they should be separated from one another by at least four to six hours to ... NyQuil, the 'night' version of DayQuil, contains doxylamine, a sedating antihistamine. Most people start to feel the effects, including feeling tired, about 30 to 60 minutes after taking a dose. Benzonatate also can make you feel tired, in about the same amount of time, although generally to a lesser extent than NyQuil.Can you take Penicillin and NyQuil at same time? Yes, I believe you can. NyQuil treats your symptoms the same way a regular cough medication would. It is not the same as Penicillin and should not ...

Dec 27, 2012 ... ... NyQuil for treatment of cold symptoms. Case ... Thus, he started taking OTC NyQuil ... He was admitted to the intensive care unit, at which time his ...You can however safely take Zyrtec (without the nasal decongestant) with DayQuil. Zyrtec-D and NyQuil both contain antihistamines. Taking both increases the risk of side effects like sedation and dry eyes. NyQuil Severe and Zyrtec-D both contain nasal decongestants, which can increase blood pressure. When looking into potential interactions ...Swallow the whole or split tablet without crushing or chewing. Drink plenty of fluids while taking this medication. Fluids will help to break up mucus and clear congestion. Improper use of this ...Some research suggests that Mucinex may help increase fertility by keeping the cervical mucus thin around the time of ovulation, which ensures sperm can travel freely through the cervix and helps with sperm survival. ... Yes, Mucinex and Nyquil can be taken together because they contain different ingredients, but Mucinex DM and Nyquil should ...Depends on which version you buy: • The Nighttime Allergy Relief version of QlearQuil is identical to ZzzQuil, with diphenhydramine being the only active ingredient. • The All Day & All Night ...Yes, you can safely take both Nyquil and Mucinex together because they contain different active ingredients that target different coexisting symptoms in cold or flu. And they do not interact negatively with each other.Amoxicillin is available in doses of 250 mg, 500 mg and 1 g. These are administered in different combinations depending upon the clinical condition. Amoxicillin is used as a 500 mg oral or intravenous drug. In treating simple pneumonias, amoxicillin is prescribed as a 500 mg oral medication given 2 to 3 times a day for a variable duration of time depending upon the severity of infection.Combining a medication like NyQuil that contains dextromethorphan with an SSRI medication like Zoloft can cause a serious drug interaction called serotonin syndrome. SSRI drugs, kn...

Taking too much Mucinex may cause nausea and vomiting, while taking too much Sudafed could cause dizziness or headache. In addition, both drugs should not be used for more than seven days unless otherwise directed by your doctor. Final thoughts. Together and separately, Mucinex and Sudafed can help manage your upper …The starting dose is 100 milligrams (mg) per square meter (m [2]) per day for infants 6 months and older and 50 mg/m (2) per day in infants younger than 6 months. Doses are divided into two or three equal doses per day. Adults—At first, 100 milligrams (mg) every 12 hours. Your doctor may increase your dose as needed.Dextromethorphan. Doxylamine. NyQuil Severe contains the following ingredients: Acetaminophen. Dextromethorphan. Doxylamine. Phenylephrine. So, when considering interactions between prednisone and NyQuil, we have to take into account all of the drugs contained in NyQuil products. Fortunately, prednisone is safe to take with all of the above drugs.At the same time, Mucinex can help loosen thin mucus in the chest and effectively treat coughs and chest congestion caused by conditions like bronchitis and pneumonia. If you are experiencing nasal congestion and need fast relief, Sudafed may be your better option. However, if you have chest congestion and need to loosen and thin mucus, Mucinex ...

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The two main ingredients in OTC cough medications to look for are: Guaifenesin, which loosens mucus. Dextromethorphan, which quiets your cough. You can use these medications separately, or you can find them combined. Some common combination cough medications for people with diabetes include: Robitussin Sugar-Free.Key points. Claritin contains loratadine, a second-generation antihistamine. NyQuil contains doxylamine, a first-generation antihistamine. As a general rule of thumb, …Uses. This combination medication is used to temporarily treat cough, chest congestion, and stuffy nose symptoms caused by the common cold, flu, allergies, hay fever, or other breathing illnesses ...Mucinex DM should not be taken at the same time as 'Tylenol Cold And Head Congestion' as they both contain guaifenesin. Taking both medications together is a therapeutic duplication and could potentially increase the risk of side effects. It is important to always read the labels of the drugs you are looking to take, especially over-the-counter ...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.Jul 27, 2016 · Do not take Mucinex at the same time as an MAOI. You should also wait at least two weeks after stopping treatment with an MAOI before using Mucinex DM. Keep reading: Serotonin syndrome symptoms ...

Doubling Up on Active Ingredients. Some Mucinex products also contain other active ingredients besides guaifenesin. For instance, Mucinex DM has dextromethorphan, also found in NyQuil. Taking both medicines together could mean you’re ingesting a double dose of this cough suppressant. Overdose of any medication can be …Dextromethorphan. Doxylamine. NyQuil Severe contains the following ingredients: Acetaminophen. Dextromethorphan. Doxylamine. Phenylephrine. So, when considering interactions between prednisone and NyQuil, we have to take into account all of the drugs contained in NyQuil products. Fortunately, prednisone is safe to take with all of the above drugs.We would like to show you a description here but the site won't allow us.Descriptions. Cough/cold combinations are used mainly to relieve the cough due to colds, influenza, or hay fever. They are not to be used for the chronic cough that occurs with smoking, asthma, or emphysema or when there is an unusually large amount of mucus or phlegm (pronounced flem) with the cough.Applies to: cyclobenzaprine and Vicks Nyquil Cough (dextromethorphan / doxylamine) Using cyclobenzaprine together with doxylamine may increase side effects such as drowsiness, blurred vision, dry mouth, heat intolerance, flushing, decreased sweating, difficulty urinating, abdominal cramping, constipation, irregular heartbeat, confusion, and ...severe headache, buzzing in your ears, anxiety, confusion, or feeling short of breath. Common side effects of Sinex Severe may include: mild burning or stinging of the nose; sneezing; or. runny nose. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.But it doesn't directly address common flu symptoms, like a pounding headache, fever, and muscle aches. So you may end up wondering if you can take an over-the-counter (OTC) pain reliever, like Tylenol (acetaminophen), with Tamiflu. The simple answer is yes. Most people can safely take Tylenol and Tamiflu together.Mucinex and Nyquil don’t typically share any of the same active ingredients, and they don’t interact with each other. Taking these two medications together should be …Rationality is one of the most valuable life tools, but alone, it’s not enough. When Daniel Kahneman and Amos Tversky published their paper on Prospect Theory in 1979, few people c...The Available Preparations for Mucinex. Mucinex Extra Strength 12 Hour Extended Release – These are time-release bi-layer tablets. So, you need to take one pill for 12 hours. It comes in 1,200 mg guaifenesin extended-release preparation. Mucinex DM 12 Hour Extended Release – These are also time-release tablets. It is an expectorant and ...

Pay attention to how your body reacts and consult a healthcare provider if you're unsure about combining Mucinex and Nyquil. Conclusion. Mucinex and Nyquil can be taken together but to stay safe, it is a good idea to talk to a healthcare provider or pharmacist before using both of these medications at the same time.

Extended-release Mucinex products can be dosed as: 600 mg to 1,200 mg every 12 hours; Immediate-release Mucinex products can be dosed as: 200 mg to 400 mg every 4 to 6 hours; As stated, it is safe to take with Eliquis, even at the same time. Drugs available over the counter that you want to avoid with Eliquis are NSAIDs.rifabutin, an antibiotic. nelfinavir, a medicine for HIV. a statin medicine to lower your cholesterol, such as simvastatin or atorvastatin. Azithromycin can affect your heartbeat, so it's best not to take it with other medicines that have the same side effect. Tell your doctor if you're taking medicines that can affect your heartbeat, including ...Dayquil Cold and Flu relief actually contains the same cough suppressant as Mucinex DM (dextromethorphan). So, you would not take the two together.You can take plain Mucinex, which contains an expectorant and no cough suppressant, with Dayquil Cold and Flu/multi-symptom relief.Mucinex DM contains a larger amount of the cough suppressant (30 mg ...Answer. Hi there and thanks for reaching out! Yes, Benadryl (diphenhydramine) may be safely taken with Tylenol (acetaminophen) as there is no drug interaction between the two.In fact, these two drugs can often be found together in the same product. For one example, both of the active ingredients are in the product Tylenol PM, …Can i take mucinex (guaifenesin) and nyquil at the same time? Dr. Donald Colantino answered. Internal Medicine 63 years experience. Pharmacist: Mucinex (guaifenesin) …Acetaminophen and ibuprofen are two of the most common over-the-counter pain relievers. Learn whether you can mix the two, as well as information about how they interact with other pain relievers.On the other hand, Mucinex contains guaifenesin, which helps loosen mucus and phlegm in the airways. It’s generally safe to take Nyquil and Mucinex together, as long as you follow the recommended dosages for each medication. However, it’s always wise to consult with your healthcare provider or pharmacist before combining any medications.Mucinex, as an expectorant, can also contribute to dryness in the mouth and throat. When taken together, the risk of experiencing dry mouth and throat may be heightened. It is important to stay hydrated while using these medications and consider using lozenges or sugar-free gum to alleviate any discomfort caused by dryness.Can i take nyquil after 5 hours of taking promethazine cough syrup & 1 benzonatate (200 mg) ? Dr. Mark Owolabi answered. Family Medicine 8 years experience. You can, but you will become very sleepy, as promethazine is sedating. Avoid driving or operating heavy machinery while on these medications.Fintepla is most often used in children. And phentermine is only approved for adults. So it’s uncommon for someone to need phentermine and Fintepla at the same time. But talk to your healthcare provider if it's been recommended that you take both these medications. They can help you decide what to do next. 5. Other weight loss medications

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Aug 5, 2019 · Certain dietary supplements, including multivitamins, can interfere with your body's ability to absorb, process or eliminate medications. For example, taking multiple blood thinners, such as vitamin E, aspirin and warfarin, may cause internal bleeding or even stroke. Vitamin supplements may interact with blood thinners too, according to the ... Prednisone is a corticosteroid (cortisone-like medicine or steroid). It works on the immune system to help relieve swelling, redness, itching, and allergic reactions. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Tablet. Solution.I give all my time to nothing. Not a "real" job that keeps food on the table and pays the bills, but to cleaning and laundry and more cleaning and... Edit Your Post Publi...Best cough and cold medicines for COVID-19: DayQuil, NyQuil, Mucinex, Sudafed, or Theraflu? Many over-the-counter medications can help relieve symptoms of the common cold, the flu, and COVID-19. ... Having both infections at the same time can raise your risk of severe symptoms and complications. This is especially true for older adults, ...Can I take a decongestant pill and nasal spray at the same time? Consumer Reports News: April 23, 2012 12:08 PM. When I use an over-the-counter decongestant nasal spray, like Afrin, can I also...Overview. In the vast majority of individuals, it is safe to take Allegra (fexofenadine) the same day as NyQuil, even though Allegra is an antihistamine and NyQuil contains an antihistamine. However, they generally should not be taken at the same time. At the very least, they should be separated from one another by at least four to six hours to ...dextromethorphan food. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) 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.severe headache, buzzing in your ears, anxiety, confusion, or feeling short of breath. Common side effects of Sinex Severe may include: mild burning or stinging of the nose; sneezing; or. runny nose. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.You can safely take Nyquil and Mucinex together, as there are no interactions between the two. However, you should avoid taking other variants of Mucinex with similar ingredients in Nyquil, such as Mucinex DM.Yes you can.. Dr Basu : There is some risk of palpitation, high blood pressure with this combination. Dr Basu : However, occasional use should not cause any problem. Customer: she does have low thyroid and high blood pressure she has only mixed the meds once. Dr Basu : ok.The answer to this question depends on the specific steroid, antibiotic, and the infection—but yes, in some cases, your physician may prescribe both drugs at the same time. ….

Can I take a decongestant pill and nasal spray at the same time? Consumer Reports News: April 23, 2012 12:08 PM. When I use an over-the-counter decongestant …As of 2015, Mucinex, which is guaifenesin, has no known drug interactions, according to Drugs.com. However, individuals should consult their doctors or pharmacists when taking this...Ask your doctor before using acetaminophen together with ethanol. This can cause serious side effects that affect your liver. Call your doctor immediately if you experience a fever, chills, joint pain or swelling, excessive tiredness or weakness, unusual bleeding or bruising, skin rash or itching, loss of appetite, nausea, vomiting, or ...What is Mucinex Nightshift Sinus? Acetaminophen is a pain reliever and fever reducer. Dextromethorphan is a cough suppressant. Phenylephrine is a decongestant. Triprolidine is an antihistamine.. Mucinex Nightshift Sinus is a combination medicine used to treat headache, fever, body aches, cough, sore throat, runny or stuffy nose, sneezing, or sinus pressure caused by the flu or common cold.Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs than Mucinex ...And it can also change the colour of your urine. Drink lots of fluids. If you smell the pill beforehand it's the same exact smell. It reminds me of those flea and tick collars in the 80s. 🤢. Plot twist: your whiz smells rotten ALL the time, but Mucinex is the only thing that unclogs your sniffer so you can smell it.Amoxicillin is available in doses of 250 mg, 500 mg and 1 g. These are administered in different combinations depending upon the clinical condition. Amoxicillin is used as a 500 mg oral or intravenous drug. In treating simple pneumonias, amoxicillin is prescribed as a 500 mg oral medication given 2 to 3 times a day for a variable duration of time depending …Thank. Dr. Hushang Haghighat answered. Specializes in Pediatric Hematology and Oncology. Yes: Both are for cold ,cough and congestion but nyquil is for night that make sedation to sleep so take theraflu in the morning and nyquil at night. Answered 1/8/2021.NyQuil, on the other hand, is a cold and flu medication which contains Acetaminophen, Dextromethorphan, and Doxylamine (2). Doxylamine is also an antihistamine in nature. It is generally recommended not to take two antihistamines at the same time. If your condition requires the use of these two on the same day, I would …On the other hand, Nyquil is a combination medication that typically includes ingredients like acetaminophen for pain relief, dextromethorphan as a cough suppressant, doxylamine succinate as an antihistamine for sneezing and runny nose, and sometimes phenylephrine as a decongestant. Can You Take Mucinex and Nyquil At The Same Time Mucinex and nyquil at the same time, Nyquil is a multi symptom cold medicine. If you have a cough and Mucinex D helps, keep taking it, but don't mix it with Nyquil. You are better off getting a cough syrup that contains only dextromethorphan hydrobromide and nothing else. The Mucinex D will not conflict with it. Don't get a cough syrup that contains any of the same medicines as ..., Mucinex (Guaifenesin) Mucinex (guaifenesin) is generally considered OK to use. It can help thin out excess mucus and relieve chest congestion.​​ Ibuprofen/Naproxen. Both ibuprofen and naproxen are considered NSAID (non-steroidal anti-inflammatory) medications. They are considered to be safe to take with Adderall., Some research suggests that Mucinex may help increase fertility by keeping the cervical mucus thin around the time of ovulation, which ensures sperm can travel freely through the cervix and helps with sperm survival. ... Yes, Mucinex and Nyquil can be taken together because they contain different ingredients, but Mucinex DM and Nyquil should ..., Yes, you can take NyQuil and Mucinex together and it’s absolutely safe to do so. Mucinex contains Guaifenesin, which is an expectorant. It works by loosening up the thick mucus that blocks your airways and by removing it (1). Mucinex is very well tolerated and is frequently used. NyQuil, on the other hand, contains three active ingredients (2):, Levetiracetam may be taken with or without food or on a full or empty stomach. However, if your doctor tells you to take the medicine a certain way, take it exactly as directed. You should try to take this medicine at the same time each day. Swallow the tablet or the extended-release tablet whole. Do not break, crush, or chew it., Applies to: Mucinex DM Maximum Strength (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 …, Nyquil and Dayquil are over-the-counter medications produced by the same manufacturer and commonly used for cold and flu symptom relief. They share some similarities but also major distinctions between the two. Purpose: Nyquil is designed to relieve cold and flu symptoms at night, while Dayquil is formulated for daytime use., On the other hand, Mucinex contains guaifenesin, which helps loosen mucus and phlegm in the airways. It’s generally safe to take Nyquil and Mucinex together, as long as you follow the recommended dosages for each medication. However, it’s always wise to consult with your healthcare provider or pharmacist before combining any medications., 8 doctors weighed in across 2 answers. can i take ambien (zolpidem) and nyquil together?: No: Both are sedating medicines, and it's best to take only one at a t., The app is basically like having your very own United Nations translator at your side. Yesterday, Skype removed the sign-in requirement for its futuristic, Star Trek-esque real-tim..., Answer. Yes, oral antihistamines can be used in conjunction with nasal antihistamines, although current data suggests that the combination of the two is no more effective than using a nasal antihistamine as the sole treatment. Below, we discuss the data available in regard to whether or not there is benefit in combining an oral antihistamine ..., Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others., Having body aches and chills and headache foe 2 days. no fever. been taking advil, nasal decongestant and mucinex but only giving temporary relief. been drinking fluids. what else should i try? can you take mucinex (guaifenesin) and advil together?: Yes: Per Drugs.Com Drug interaction checker; "No results found - howe., Consumer Reports' consultants caution against using a nasal spray and an oral decongestant at the same time, for two reasons. First, it's not necessary, since they work on the nasal passages the ..., How Long to Wait Between Taking Mucinex DM and Nyquil. It is generally recommended to wait at least four hours after taking Mucinex DM before taking Nyquil. This is because both medications contain similar active ingredients, and taking them too close together can increase the risk of side effects. However, there are some factors that …, An antihistamine may also be especially helpful if you have allergies and a cold at the same time. Antihistamines may help to reduce the severity of overall cold symptoms for 1-2 days, according to the results of a large review. ... Mucinex Product Label. June 16, 2022. [Accessed August 24, 2022]. Available from: ..., Dr. Franklyn Gergits answered. ENT and Head and Neck Surgery 31 years experience. Allegra (fexofenadine) and NyQuil: Hello. You can take Allegra ( fexofenadine) and nyquil at the same time. No worries. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help., Mar 23, 2016 · Responsive by text. Book a video appointment. Yes: I prefer Mucinex (guaifenesin) by day to get rid of secretions from the lungs and using tussionex at night to help rest/get sleep by su. , Accidental administration of NyQuil and Tylenol at the same time can result in an increased concentration of Acetaminophen in your body. The original NyQuil contains three active ingredients - Acetaminophen, Dextromethorphan, and Doxylamine. Tylenol, on the other hand, contains Acetaminophen as its sole active ingredient., Donation. 15 Days Left. Prednisone is widely used to reduce inflammation in various conditions. It works by suppressing the immune response and reducing the production of inflammatory substances in the body. Prednisone can effectively manage inflammation associated with autoimmune diseases, allergies, and certain respiratory conditions., I maintain that no one needs to be warned not to eat chicken cooked in cold medicine. Dear Food and Drug Administration: You need to start asking me what things are real and what t..., If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses. Many times Mucinex Fast-Max (acetaminophen, dextromethorphan, guaifenesin, phenylephrine caps & tabs) is taken on an as needed basis. Do not take more often than told by the doctor., Two OTC cold medications you might consider if you have a cold are Mucinex (guaifenesin) or DayQuil …, Fever. "For fever, the two things we use more often than anything are acetaminophen and ibuprofen ," Vyas said. Tylenol is a common brand of acetaminophen; Advil and Motrin are common brands of ibuprofen. As with anything, it's important to check with a primary care provider on what you should and shouldn't be taking—for the common ..., NyQuil, on the other hand, is a cold and flu medication which contains Acetaminophen, Dextromethorphan, and Doxylamine (2). Doxylamine is also an antihistamine in nature. It is generally recommended not to take two antihistamines at the same time. If your condition requires the use of these two on the same day, I would …, Is it okay to take mucinex (guaifenesin) d and nyquil/dayquil together? A doctor has provided 1 answer. can i take mucinex (guaifenesin) with nyquil?: Yes: Most of the nyquil preparations do not have something to thin the., Yes, you can take NyQuil and Mucinex together and it’s absolutely safe to do so. Mucinex contains Guaifenesin, which is an expectorant. It works by loosening up the thick mucus that blocks your airways and by removing it (1). Mucinex is very well tolerated and is frequently used. NyQuil, on the other hand, contains three active ingredients (2):, Nov 30, 2022 · Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: Acetaminophen (pain reliever) Dextromethorphan (cough suppressant) , rifabutin, an antibiotic. nelfinavir, a medicine for HIV. a statin medicine to lower your cholesterol, such as simvastatin or atorvastatin. Azithromycin can affect your heartbeat, so it's best not to take it with other medicines that have the same side effect. Tell your doctor if you're taking medicines that can affect your heartbeat, including ..., Risk of Overdose: Acetaminophen Overload: Both Nyquil and Ibuprofen may contain acetaminophen. Excessive acetaminophen intake can harm the liver, so combining them without careful consideration can be dangerous. Gastrointestinal Issues: The combination may also increase the risk of stomach irritation, potentially leading to ulcers or bleeding., Mucinex and NyQuil are both very popular over-the-counter cold and flu medications, the main difference being their active ingredients. Mucinex contains guaifenesin as an active ingredient, whereas NyQuil is a combination drug containing acetaminophen, dextromethorphan, and doxylamine. Both brand names have a wide variety of product ..., Ask your doctor before using acetaminophen together with ethanol. This can cause serious side effects that affect your liver. Call your doctor immediately if you experience a fever, chills, joint pain or swelling, excessive tiredness or weakness, unusual bleeding or bruising, skin rash or itching, loss of appetite, nausea, vomiting, or ..., 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.