Guaiacol etherIt is an expectorant, also known as Yugan ether, Meg, guaiacol glycerin ether, and glycerol guaiac ester. After oral administration, it can stimulate the reflex of gastric mucosa, increase the secretion of bronchial mucosal glands, reduce the viscosity of sputum, and make sticky sputum easy to cough up. It has the functions of disinfection and antisepsis, can reduce the odor of sputum, and also has the functions of antitussive, antispasmodic and anticonvulsant. It is used for chronic bronchitis with phlegm cough, lung abscess, bronchiectasis and secondary asthma. It is often used with other antitussive and antiasthmatic drugs. Guaiacol ether can be absorbed from gastrointestinal tract and reach the peak of blood concentration after 1 ~ 3 hours. Most of them are discharged from the intestines, and a small amount of them are metabolized into glucuronic acid conjugates, which are rapidly discharged with urine.

    However, adverse reactions such as dizziness, headache, sleepiness, irritability, belching, lack of appetite, constipation, nausea and skin allergy may occur during the course of taking guaiacol ether, and the above reactions may disappear automatically after stopping the drug. In order to prevent the medication process, the following precautions should be paid attention to:
1. after 7 days of medication, the symptoms are not relieved. Please consult a doctor or pharmacist.
2. Children under the age of 1 should use it under the guidance of doctors.
3. patients with depression, peptic ulcer, excessive sputum, asthma and the elderly should use it under the guidance of doctors.
4. use with caution for pregnant and lactating women.
5. do not drive machines, vehicles, ships, engage in high-altitude operations, mechanical operations and operate precision instruments during the medication period.
6. in case of overdose or serious adverse reactions, seek medical advice immediately.
7. it is forbidden to use this product for those who are allergic to it, and it should be used with caution for those with allergic constitution.
8. it is forbidden for patients with acute gastroenteritis, nephritis and pulmonary hemorrhage.
9. do not use this product when its properties change.
10. please keep this product out of the reach of children.
11. children must be used under adult supervision.
12. if you are using other drugs, please consult a doctor or pharmacist before using this product.
At the same time, attention should be paid to the interaction between drugs to prevent damage to the body caused by blind drug use. The main points are as follows:
1. this product, taken together with antidepressants and monoamine oxidase inhibitors, may cause adverse reactions and should be avoided.
2. this product should not be used together with ethanol and other central nervous system inhibitors, because it can enhance the inhibitory effect on the central nervous system.
3. if it is used together with other drugs, drug interactions may occur. For details, please consult your doctor or pharmacist.