2024 Guaifenesin expiration

Yes, guaifenesin does expire. Like any other medication, guaifenesin does have an expiration date. It is important to check the packaging for the expiration date and avoid using it past that date.. Harbor freight in odessa

This OTC Medicine Monograph outlines the requirements for Australian market authorisation of a cough expectorant containing guaifenesin as a single active ingredient when …Last updated on May 16, 2022. Uses. Warnings. Before taking. Dosage. Side effects. Interactions. FAQ. What is guaifenesin? Guaifenesin is an ingredient in cough and cold medicines that is used to help clear mucus or phlegm from your chest when you have had a cold or flu.GUAIATUSSIN AC SUGAR FREE- guaifenesin and codeine phosphate liquid If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 50383-087-04 (inactivated) 2: 50383-087-05 3: 50383-087-07 (inactivated) 4: 50383-087-10 ...We’ve long known that the expiration date on groceries is a mess of different terms that mean absolutely nothing. Now, the Food Marketing Institute and Grocery Manufacturers Associ...Aug 2, 2021 ... If the medicine has passed its expiration date, dispose of it safely and purchase a new package. To help guaifenesin loosen mucus in the lung's ...Indications and Usage for Codeine Phosphate and Guaifenesin. · temporarily relieves these symptoms due to the common cold: · cough due to minor throat and bronchial irritation. · helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive.NDC 51660-301-41. ohm ®. Guaifenesin 600 mg & Dextromethorphan HBr 30 mg Extended-Release Tablets. Expectorant & Cough Suppressant. 12 Hour. Controls Cough. Thins and Loosens Mucus. Immediate and Extended Release. 40 …If your vet mixes the liquid and says it expires in 7 or 14 days – then I’d honor that. However, if there is no color or odor change and it is a few days beyond that date – it is probably okay. But this is not a medication that will last long. Medication still in powder form is probably still good for 1 to 2 years beyond the expiration on ...Guaifenesin is an over-the-counter oral medication that's used to relieve chest congestion. Most people experience few to no side effects after taking this medication as directed. Guaifenesin comes in different formulations, so you can choose the one that works best for you. It's also available as lower-cost generics.Is Mucinex good after expiration date? It is very possible that Mucinex may still be good and have the expected benefit once it is expired, but again, there is no data to confirm this. Theoretically, manufacturers could perform stability tests for longer periods of time, but there generally isn’t any financial incentive to do so. ...Why Bug Spray Doesn't Have an Expiration Date. Most bug sprays don't have an expiration date listed on the bottle. "Bug sprays registered by the EPA aren't required to have labelled expiration dates as long as the formulation is stable for at least one year, which most are," says Timothy Wong, technical director of M&M Pest Control.Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists. Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects. Do not take this drug for longer than you were told by your doctor.Changing how the world understands and treats cancer. Our scientists pursue every aspect of cancer research—from exploring the biology of genes and cells, to developing immune-based treatments, uncovering the causes of metastasis, and more.Adults and children 12 years of age and over: 2 tsp (10 mL) every 4 hours, or as directed by a doctor. Children 6 to under 12 years of age: 1 tsp (5 mL) every 4 hours, or as directed by a doctor. Children under 6 years of age: Consult a doctor. Other Information. Store at controlled room temperature 15°-30°C (59°-86°F).NDC 58657-500-16 Codeine-Guaifenesin Oral Solution 10-100 mg/5 mL Antitussive Expectorant 16 fl. oz. (473 mL) CODEINE-GUAIFENESIN codeine phosphate and guaifenesin solution. Product Information. Product Type. HUMAN OTC DRUG.2. What is the shelf life of guaifenesin? The shelf life of guaifenesin is typically around 2 to 3 years from the date of manufacture. However, it is important to confirm the expiration date mentioned on the packaging. 3. Why does guaifenesin expire? Guaifenesin expires due to various factors such as exposure to light, heat, and moisture, which ...While guaifenesin (Mucinex ®, Reckitt Benckiser) is indicated to loosen phlegm and thin bronchial secretions in patients with stable chronic bronchitis, it has not been approved for use in chronic sinusitis. Furthermore, the professional labeling for chronic bronchitis makes no recommendations for duration of use and the over the -counter (OTC ...Dextromethorphan and diphenhydramine which are the chemical constituent in Mucinex D, Mucinex DM, Mucinex night time and other Mucinex multi symptom products. Is it safe to take expired cough medicine? You can only really keep medicine a month after the expiration date. Not really but it’s no use in taking it because the strength is gone.Nick Blackmer. The Food and Drug Administration confirms the expiration dates that are printed on packages of over-the-counter drugs. Several factors, like someone’s age and the type of ...Guaifenesin (Mucinex) is an over-the-counter (OTC) product that can help relieve chest congestion or a productive (wet) cough. A common immediate-release guaifenesin dosage for adults is 200 mg to 400 mg by mouth every 4 hours as needed. A common extended-release guaifenesin dosage is 600 mg to 1,200 mg by mouth every …Always check the expiration date on the Mucinex DM packaging. If the medicine has passed its expiration date, dispose of it safely and purchase a new package. Do not use Mucinex DM if you are . such as Marplan (isocarboxazid) or Nardil (phenelzine). Combining dextromethorphan with an MAO inhibitor can be hazardous and even fatal.2 doctors weighed in across 2 answers. does codeine expire? my 4 year old son has been dealing with a scratchy throat all day and the mucinex (guaifenesin) did not work today. we have some codeine that my older son used two years ago. is it okay to administer a small dosage to our 4 year old?: You : You should not give your 4 year old …Why Bug Spray Doesn't Have an Expiration Date. Most bug sprays don't have an expiration date listed on the bottle. "Bug sprays registered by the EPA aren't required to have labelled expiration dates as long as the formulation is stable for at least one year, which most are," says Timothy Wong, technical director of M&M Pest Control.This question is about Best Buy @WalletHub • 11/21/20 This answer was first published on 11/19/20 and it was last updated on 11/21/20.For the most current information about a finan...Mucinex contains Guaifenesin. Mucinex has a total of 3 drug patents out of which 3 drug patents have expired. Expired drug patents of Mucinex are: US6372252; US6955821; US7838032; Mucinex was authorised for market use on 18 December, 2002. Mucinex is available in tablet, extended release;oral dosage forms. Mucinex can be used as …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.Guaifenesin β-isomer NMT 1.5% 1, any other individual impurity NMT 1.0% and total impurities including guaifenesin β-isomer NMT 3.0%. Microbiological quality in compliance with TGO 77. For tablets (including chewable and effervescent tablets), the tests and limits in the USP monograph Guaifenesin Tablets with the addition of: Tablet appearance.Patents Listed in the FDA Orange Book Drug Database of Guaifenesin with information and expiry/expiration datesGuaifenesin is an expectorant that helps thin and loosen mucus in the lungs, making it easier to cough up the mucus. The decongestant helps relieve stuffy nose symptoms.This product can be used by Adults and Children 12 years of age and over. KEY SYMPTOMS RELIEVED: Maximum Strength Mucinex DM Extended-release Bi-layer tablets control cough, relieve chest congestion and thin and loosen mucus. ACTIVE INGREDIENTS: Contains Guaifenesin which is an expectorant that relieves chest …RB is aware of recent social media activity surrounding Mucinex ® and fertility. As a global leader in health and hygiene, we wish to clarify that Mucinex ® should only be used as intended and in line with usage instructions. The most common active ingredient in Mucinex ® products (guaifenesin) is indicated to help loosen phlegm (mucus) and thin bronchial …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.How to use GUAIFENESIN-CODEINE. Take this medication by mouth with or without food as directed by your doctor, usually every 4 to 6 hours as needed with a full glass of water (8 ounces or 240 ...Why Bug Spray Doesn't Have an Expiration Date. Most bug sprays don't have an expiration date listed on the bottle. "Bug sprays registered by the EPA aren't required to have labelled expiration dates as long as the formulation is stable for at least one year, which most are," says Timothy Wong, technical director of M&M Pest Control.Apr 5, 2024 ... Are expired drugs safe and does the medicine expiration date really matter?I wouldn't take it after expiration date, its want work as well or not at all. +0. KA. kaismama 7 May 2015. If you take a medication past the expiration date, what is meant by the date is the manufacturer won't guarantee strength after that date. There is a possibility of actual harm with certain medications, but most meds don't do that.Answer. Brand name Mucinex (guaifenesin) should not be crushed as the tablet is designed to be 'extended release', slowly releasing the active ingredient guaifenesin over a 12-hour period of time. Crushing or cutting Mucinex will release the entire dose at once. This could potentially cause an increase in side effects and will …Medications may retain their potency after their expiration date, depending upon how they are stored. While expired medications are generally not toxic, ...Usual Adult Dose for Cough. 1 dose orally every 4 to 6 hours as needed. Codeine: Single dose: up to 20 mg; Maximum dose: 120 mg in 24 hours. Guaifenesin: Single dose: up to 400 mg; Maximum dose: 2400 mg in 24 hours. Maximum dose should not exceed maximum dose of either of the single ingredient doses. Comments:The drug company then proposes an expiration date to the FDA, which reviews the data to ensure they support the date and then approves it. Despite the difference in drugs' makeup, most "expire ...CORICIDIN HBP CHEST CONGESTION AND COUGH- dextromethorphan hydrobromide and guaifenesin capsule, gelatin coated If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 11523-7158-2 Home; News DailyMed Announcements ...Guaifenesin is an expectorant that helps thin and loosen mucus in the lungs, making it easier to cough up the mucus. The decongestant helps relieve stuffy nose symptoms.Changing how the world understands and treats cancer. Our scientists pursue every aspect of cancer research—from exploring the biology of genes and cells, to developing immune-based treatments, uncovering the causes of metastasis, and more.Ingredients: ACETAMINOPHEN 325mg, DEXTROMETHORPHAN HYDROBROMIDE 10mg, GUAIFENESIN 200 mg, PHENYLEPHRINE HYDROCHLORIDE 5mg. Labeler: Target Corporation. NDC code: 11673-640. Medically reviewed by Drugs.com. Last updated on Jul 26, 2023. Target 44-640. Active ingredients (in each caplet) Acetaminophen 325 mg. Dextromethorphan HBr 10 mg.Yes, guaifenesin does expire. Like any other medication, guaifenesin does have an expiration date. It is important to check the packaging for the expiration date and avoid using it past that date.Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists. Do not take more than what your doctor told you to take. Taking more than you are told may raise your chance of very bad side effects. Do not take this drug for longer than you were told by your doctor.Thanks. Official answer. by Drugs.com. Throw it out! The expiration date is the final day that the manufacturer guarantees the full potency and safety of a …Call 1-800-845-8210 or visit paipharma.com - Serious side effects associated with use of this product may be reported to this number. Distributed By: Cardinal Health - Dublin, OH ... Principal Display Panel. Guaifenesin and Codeine Phosphate Oral Solution, USP - 100 mg / 10 mg per 5 mL - 5 Cups. INGREDIENTS AND APPEARANCE. Product Information.The short answer is "no". Old medicines may not work as well as they should. The law requires expiration dates on drugs. Drug makers select a date that they know will be safe. Many drugs are probably effective after that date, but are not tested to be sure. Drugs kept for a long time may deteriorate if they are not stored properly.If you are 65 or older, use this drug with care. You could have more side effects. The chance of very bad side effects may be higher in children. This may be more likely to happen in children who have breathing problems. Deadly breathing problems have happened with the use of codeine in some children.D02263. Guaifenesin/codeine is a fixed-dose combination cold medicine used for the treatment of cough. [1] It contains guaifenesin, an expectorant; and codeine, as the phosphate, an opioid antitussive. [1] It is taken by mouth. [1] It was approved for medical use in the United States in 2006. [1] In 2021, it was the 297th most commonly ...This OTC Medicine Monograph outlines the requirements for Australian market authorisation of a cough expectorant containing guaifenesin as a single active ingredient when …This includes isocarboxazid, phenelzine, tranylcypromine, selegiline, or rasagiline. Very high blood pressure may happen. If you are taking any of these drugs: Buprenorphine, butorphanol, linezolid, methylene blue, nalbuphine, or pentazocine. If you have been told by your doctor that you are a rapid metabolizer of some drugs.If you received payment from a person or company via money order, you likely cashed the money order soon after you received it. However, if you have an old money order, you may won...With Options Expiring, Buckle Up for Another Volatile Close...NFLX Although the movement in the indexes Friday is relatively sedate so far, there is plenty of chaotic trading activ...Most were 30 to 40 years past their expiration dates — possibly toxic, probably worthless. But to Lee Cantrell, who helps run the California Poison Control …Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.If you are self-treating with this medication, it is ...Guaifenesin is an expectorant that helps thin and loosen mucus in the lungs, making it easier to cough up the mucus. The decongestant helps relieve stuffy nose symptoms.Indications and Usage for Codeine Phosphate and Guaifenesin. · temporarily relieves these symptoms due to the common cold: · cough due to minor throat and bronchial irritation. · helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive.Pain relievers: After 3 days if using for a fever or 10 days if using for pain. Oral decongestants: After 7 days of use. Decongestant nasal sprays: After 3 days of use. If any of these medications cause bothersome side effects, it’s best to stop using them. OTC cold medicines are generally well tolerated.benzonatate, diphenhydramine, Benadryl, guaifenesin, dextromethorphan, Mucinex Warnings. Codeine can slow or stop your breathing, and may be habit-forming. MISUSE OF Guaiatussin AC CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription. Do not give this medicine to anyone under 18.Whether or not you need to move out of your apartment after a lease expiry depends on your state's laws and your lease termination agreement. You might be able to stay on under the...NDC 68196-072-56. Member's Mark ™. 12 HOUR. Maximum Strength. Mucus Relief Guaifenesin 1200 mg Extended-Release Tablets, Expectorant. Relieves chest congestion. Thins and loosens mucus. Immediate and Extended Release. actual size.It is not known if guaifenesin passes into the breast milk. Your pharmacist or doctor will discuss the potential benefits and risks of taking the medicine if you are breastfeeding. Do not use guaifenesin in children under 6 years of age. Ask your doctor or pharmacist before using guaifenesin in children aged 6-12 years.Other information. Store at controlled room temperature 15°-30°C (59°-86°F). Inactive ingredients. Cherry Flavor, Citric Acid, Glycerin,Masking flavor, Propylene glycol, Purified Water, Sodium Citrate, Sodium Benzoate, Sucralose Sorbitol. Principal Display Panel. NDC 58657-500-16 - Codeine-Guaifenesin Oral Solution - 10-100 mg/5 mL ...In most cases, it is not recommended to take expired Mucinex as it may not be as potent as it once was when it was in date. It is important to note this applies to all Mucinex products such as: In fact, it is not recommended to take any medication that is past the expiration date.Extended-release tablets. Regular strength (Mucinex DM and generic): Each tablet contains 600 mg of guaifenesin and 30 mg of dextromethorphan. People 12 years and older: The typical dose is 1 or 2 tablets by mouth every 12 hours. Don't take more than 4 tablets in a 24-hour period. Children under age 12: Don't use.An example of such ER products is a bi-layer tablet formulation containing 600 mg of guaifenesin and comprising an IR layer that allows rapid release of guaifenesin to achieve an early C max, and an ER layer that allows sustained release of guaifenesin to produce a steady plasma concentration over a 12-h period (Fig. 2). Following approval of …Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.If you are self-treating with this medication, it is ...Codeine/guaifenesin is a controlled substance because it contains codeine, which has a risk for addiction and misuse. Take the medication exactly as prescribed. Taking more than the prescribed amount of codeine/guaifenesin raises the risk for serious and possibly life-threatening side effects, such as dangerously slow breathing, inability to stay awake, and opioid overdose.Guaifenesin comes in a variety of different strengths and formulations: 200 mg, 400 mg, 600 mg, and 1200 mg. Guaifenesin comes in immediate or extended release tablets, liquid solution, syrup, and granules. In general, you should avoid using this medication for longer than 7 days and in children less than 4 years of age.Guaifenesin is an expectorant that helps thin and loosen mucus in the lungs, making it easier to cough up the mucus. Codeine is an opioid cough suppressant ( antitussive) that affects a certain ...For regular (short-acting) oral dosage forms (capsules, oral solution, syrup, or tablets): For cough: Adults—200 to 400 milligrams (mg) every four hours. Children 6 to 12 years of age—100 to 200 mg every four hours. Children 4 to 6 years of age—50 to 100 mg every four hours. Children and infants up to 4 years of age—Use is not recommended .600 mg. 6.63 [ 168.41] 132 [ 5.197] Expectorant. 12 Hour. Relieves Chest Congestion. Thins and Loosens Mucus. Immediate and Extended Release. 20 Extended-Release Tablets. Lot No. Expiration Date:... Apr 5, 2024 ... Are expired drugs safe and does the medicine expiration date really matter?Active ingredient (in each extended-release tablet) Dextromethorphan HBr 60 mg - Guaifenesin 1200 mg. Purpose. Guaifenesin - Expectorant - Dextromethorphan HBr - Cough suppressant. Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive - temporarily ...Dose. Adults and children 12 years and over. 10 mL every 4 hours. Max dose is 60mL in 24-hours. Children under 12 years of age. Ask a doctor. HOW SUPPLIED: Each 5 mL of Guaifenesin Syrup and Dextromethorphan contains Guaifenesin 100mg and Dextromethorphan Hydrobromide 10mg and is supplied in the following oral dosage …Official Label (Printer Friendly) View All Sections. Active ingredient (in each immediate-release tablet) Guaifenesin 400 mg. Purpose. Expectorant. Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive. Warnings.Drug Facts. ACTIVE INGREDIENT. Active ingredients (in each extended-release bi-layer tablet)Purpose - Guaifenesin 600 mgExpectorant - Pseudoephedrine HCl 60 mgNasal Decongestant. Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive - temporarily ...GUAIATUSSIN AC SUGAR FREE- guaifenesin and codeine phosphate liquid If this SPL contains inactivated NDCs listed by the FDA initiated compliance action, they will be specified as such. NDC; 1: 50383-087-04 (inactivated) 2: 50383-087-05 3: 50383-087-07 (inactivated) 4: 50383-087-10 ...Warning. For all patients taking this medicine: This medicine has an opioid drug in it. Opioid drugs can put you at risk for addiction, abuse, and misuse. Misuse or abuse of guaifenesin and codeine can lead to overdose and death. If you have questions, talk with your doctor. This medicine has an opioid drug in it.Precautions. Interactions. Overdose. Reviews (2) Uses. This combination medication is used to temporarily treat cough, chest congestion, and stuffy nose symptoms caused by the …Answers. KA. kaismama 20 March 2014. Expiration dates are there because there is no guarantee that the medication will work after that date. In some cases an expired med can actually cause harm. The manufacturer intends that you get rid of expired meds. +0.Guaifenesin and Dextromethorphan. This information from Lexicomp explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider. Brand Names: US. Altarussin DM [OTC]; Chest Congestion Relief DM [OTC]; Coricidin HBP Congestion/Cough [OTC]; Cough ...An extended-release (ER) formulation of the expectorant guaifenesin has recently been launched in India for the treatment of productive cough accompanied by mucus (phlegm). Although the safety profile of ER guaifenesin marketed in the USA is well documented, there were limited safety data available in the Indian population.Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.If you are self-treating with this medication, it is ...

In most cases, it is not recommended to take expired Mucinex ( guaifenesin) as it may not be as potent as it once was when it was in date. It is important to note this applies to all Mucinex products, such as: Mucinex Maximum Strength. Mucinex DM. Mucinex Fast-Max. Mucinex D. Mucinex Sinus.. Steven mcbee and calah

HOW SUPPLIED: Each 5 mL of Guaifenesin Syrup and Dextromethorphan contains Guaifenesin 100mg and Dextromethorphan Hydrobromide 10mg and is supplied in the following oral dosage forms: NDC ... Other Information - • Store at controlled room temperature 20-25ºC (68-77ºF) • Do not refrigerate - • Keep tightly closed - • Each 5mL contains ...Guaifenesin (Mucinex) is an over-the-counter (OTC) product that can help relieve chest congestion or a productive (wet) cough. A common immediate-release guaifenesin dosage for adults is 200 mg to 400 mg by mouth every 4 hours as needed. A common extended-release guaifenesin dosage is 600 mg to 1,200 mg by mouth every …If you have a cough with a lot of mucus. If you have a long-term cough caused by smoking or being around smoke, or lung problems like asthma or emphysema . This is not a list of all drugs or health problems that interact with this medicine (guaifenesin tablets). Tell your doctor and pharmacist about all of your drugs (prescription or OTC ...Guaifenesin is commonly found as part of over-the-counter combination medications for cold and cough. Read labels or ask a doctor or pharmacist before using any other cold, or cough medicine when taking guaifenesin. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and ...Starting April 12, 2021 Hawaiian Airlines is discontinuing its mileage expiration policy. Hawaiian Airlines flyers, rejoice! As of April 12, 2021 HawaiianMiles is discontinuing its...Nov 27, 2023 · Thanks. Official answer. by Drugs.com. Throw it out! The expiration date is the final day that the manufacturer guarantees the full potency and safety of a medication. https://www.drugs.com/article/drug-expiration-dates.html. This bi-layer tablet formulation combines immediate-release guaifenesin with an ER feature, providing sustained blood levels for 12 hrs.16 The clinical data on the efficacy of ER guaifenesin in patients with URTI are currently limited.17–19 Although the post-marketing safety experience with ER guaifenesin is based on a large number of …Do Massage Envy gift cards expire? We have the answer, plus information on whether or not the policy is the same at all locations and more. The Massage Envy gift card expiration po...Uses. •. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive. •. temporarily relieves: •. cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants. •.GUAIFENESIN (gwye FEN e sin) treats cough and chest congestion. It works by thinning and loosening mucus, making it easier to clear from the head, throat, and lungs. ... Throw away any unused medication after the expiration date. NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine ...The expiration date on a drug is usually one to five years after it was manufactured. But those dates are often set arbitrarily, since the Food and Drug Administration doesn't require ...Active ingredients in each 5 mL (teaspoonful)Purposes - Codeine Phosphate, USP 10 mgCough Suppressant - Guaifenesin, USP 100 mgExpectorant. Uses. temporarily relieves cough due to minor throat and bronchial irritations as may occur with the common cold or inhaled irritants - helps loosen phlegm (mucus) and thin bronchial secretions to make ...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.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. Dextromethorphan will not treat a cough that is caused by smoking. There are many brands and forms of this...Medications may retain their potency after their expiration date, depending upon how they are stored. While expired medications are generally not toxic, ...Drug Facts. Active ingredient (in each extended-release bi-layer tablet) Guaifenesin 600 mg. Purpose. Expectorant. Uses. helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive. Warnings. Do not use - for children under 12 years of age - Ask a doctor before ...This includes isocarboxazid, phenelzine, tranylcypromine, selegiline, or rasagiline. Very high blood pressure may happen. If you are taking any of these drugs: Buprenorphine, butorphanol, linezolid, methylene blue, nalbuphine, or pentazocine. If you have been told by your doctor that you are a rapid metabolizer of some drugs.If you are 65 or older, use guaifenesin and codeine with care. You could have more side effects. Different brands of guaifenesin and codeine may have different doses for children. Talk with the doctor before giving guaifenesin and codeine to a child. The chance of very bad side effects may be higher in children..

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