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Our Company
The company, located in Yanhai Industrial Park-one of the largest pharmaceutical industrial zones in China-covers an area of 35 acres. Through its three product segments-Guaiacol derivatives, Epichlorohydrin derivatives, and Iodine contrast media-Haizhou Pharm offers a portfolio of products and services globally, including Active Pharmaceutical Ingredients (API), intermediates, fine chemicals, and custom manufacturing services.
GMP Service
With professional contract manufacturing project team and multi-functional workshops, the company is in long-term cooperation with famous global pharmaceutical enterprises, providing contract service under both GMP and none GMP conditions.
Certifications
Haizhou Pharm is ISO9001/14001 and OHSAS18001 approved, and ISO/OHSAS management philosophy deeps into whole process of the company.
Professional Contract Solutions
With professional contract manufacturing project team and multi-functional workshops, the company is in long-term cooperation with famous global pharmaceutical enterprises, providing contract service under both GMP and none GMP conditions.
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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. Guaifenesin works by making your mucus thinner and easier to cough up, which helps clear chest congestion. Guaifenesin is available as an over-the-counter (OTC) medicine and also available on prescription.
How Should I Take Guaifenesin?
Use guaifenesin exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cough medicine is usually taken only for a short time until your symptoms clear up.
Take guaifenesin with food if it upsets your stomach.
Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Do not crush, chew, break, or open a controlled-release, delayed-release, or extended-release tablet or capsule. Swallow it whole. Breaking or opening the pill may cause too much of the drug to be released at one time.
Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.
Store at room temperature away from moisture, heat, and light.

Tips of Guaifenesin
Guaifenesin does not need to be taken with food; however, it can be taken with food if it upsets your stomach.
Take exactly as directed by your doctor or on the label. Do not increase the dosage or take longer than is recommended. Use a properly calibrated measuring spoon to measure liquid guaifenesin dosages.
Do not open, crush, break, or chew guaifenesin delayed-release capsules or tablets because this may cause too much of the drug to be released at once.
Drink extra fluids while you are taking guaifenesin to help loosen congestion and lubricate the throat.
Do not drive, operate machinery, or perform other hazardous tasks until you know how guaifenesin affects you.
Protect guaifenesin liquid from light.
If you are pregnant, intending to become pregnant, or breastfeeding then talk to your doctor before taking do not take guaifenesin.
How to Use Guaifenesin
Guaifenesin is available in various forms, including tablets, extended-release tablets, capsules, syrups, and granules. The method of administration typically involves oral intake. Here's a detailed look at how to use guaifenesin:
Tablets and Capsules: These are taken with a full glass of water, usually every 4-6 hours as needed for symptom relief. Extended-release tablets or capsules are taken less frequently, typically every 12 hours, allowing for sustained release of the medication over time.
Syrups and Solutions: Liquid forms of guaifenesin are measured using a dose-measuring device or a special spoon to ensure accuracy. They are also taken with plenty of fluids to help loosen mucus and lubricate the throat.
Granules: These are mixed with water before ingestion. Like other forms, they should be accompanied by adequate fluid intake.
Some notes when treating diseases with Guaifenesin
General note when taking Guaifenesin: Do not use Guaifenesin in cases of persistent or chronic cough such as frequent smokers, asthma, chronic bronchitis, emphysema or increased cough. produce a lot of phlegm. People need to be adequately rehydrated while taking Guaifenesin. Do not use Guaifenesin for more than 7 days without consulting your doctor. Guaifenesin is considered unsafe for use in humans with porphyria caused by the drug causing porphyria in laboratory animals.
Use in Children: Guaifenesin has been used in children. However, there have been numerous reports of guaifenesin poisoning and potentially fatal overdoses from over-the-counter cough and cold preparations containing expectorants (including expectorants). Guaifenesin) for young children. Therefore, it is not recommended to arbitrarily use Guaifenesin for children under 4 years of age unless directed by a doctor. Some combinations are not reasonable, such as Guaifenesin with cough medicine, because the cough reflex helps expel sputum, especially in the elderly.
Note For Pregnant Women: There are no well-controlled studies in pregnant women. Because the risk to the fetus cannot be completely ruled out, guaifenesin should be used with caution and should only be used in pregnant women when the potential benefit to the mother outweighs the risk to the fetus.
Caution For Nursing Women: There are no data on the use of Guaifenesin in lactating women. Care should be taken when using the drug for this group of people.
Attention to Drivers and Operate Machines: Guaifenesin has no or negligible influence on the ability to drive and use machines. In a nutshell, Guaifenesin is an expectorant, promotes mucus removal, and lubricates irritated airways. You need to use the medicine exactly as prescribed by the doctor to promote the effectiveness of treatment and ensure safety for health.
What Is Guaifenesin Used For?
Guaifenesin, commonly marketed under various trade names such as Mucinex, Robitussin, and Tussin, is a widely used over-the-counter medication primarily indicated for the treatment of coughs and congestion caused by colds, bronchitis, and other respiratory conditions. It is classified as an expectorant, a drug type that helps to thin and loosen mucus in the airways, making it easier to cough out. Developed and researched by several pharmaceutical institutions over the years, guaifenesin has established itself as a reliable and effective treatment for respiratory discomfort. Its usage is backed by decades of research and clinical trials, which have demonstrated its efficacy and safety profile in managing symptoms associated with excessive mucus production.
Guaifenesin works by acting directly on the mucus in the respiratory tract. The mechanism of action involves reducing the adhesiveness and surface tension of the mucus, making it less viscous (thick). This alteration in the mucus' physical properties facilitates its removal from the respiratory tract through coughing. By thinning the mucus, guaifenesin helps to clear out the airways, thereby alleviating congestion and allowing for easier breathing. The drug does not suppress the cough reflex; instead, it makes coughing more productive, which is crucial in clearing mucus from the bronchi and lungs.
Moreover, guaifenesin may exert a mild muscle relaxant effect on the muscles in the respiratory tract, which can also contribute to its expectorant properties. However, its primary action remains focused on mucus modification. This dual-action makes guaifenesin particularly beneficial in treating conditions where mucus production is significant, such as chronic bronchitis, bronchiectasis, and certain cases of chronic obstructive pulmonary disease (COPD).
Precautions Of Guaifenesin
Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: breathing problems (such as emphysema, chronic bronchitis, asthma, smoker's cough), cough with blood or large amounts of mucus.
Liquid forms of this product may contain sugar and/or alcohol. Caution is advised if you have diabetes, liver disease, or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely
The liquid forms and powder packets of this medication may contain aspartame. If you have phenylketonuria (PKU) or any other condition that requires you to restrict your intake of aspartame (or phenylalanine), consult your doctor or pharmacist about using this product safely.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Our Factory
The company, located in Yanhai Industrial Park, one of the largest pharmaceutical industrial zones in China, covers an area of 35 acres. Through its three product segments - Guaiacol derivatives, Epichlorohydrin derivatives and Iodine contrast media - Haizhou Pharm offers a portfolio of products and services globally, including Active Pharmaceutical Ingredients (API), Intermediates, fine chemicals and Customs manufacturing service.

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