What Is Guaifenesin?
Expectorant and antitussive, suitable for chronic bronchitis, bronchiectasis, etc.
Guaifenesin
- Chinese name
- Guaifenesin
- Foreign name
- guaifenesin guaiacol
- Molecular weight
- 198.21
- Molecular formula
- C10H14O4
- EINECS number
- 202-222-5
- Expectorant and antitussive, suitable for chronic bronchitis, bronchiectasis, etc.
- Drug Name: Guaifenesin
- Drug aliases: meglyl ether; guaifenesin; guaiacol glyceryl ether; glycerol guaiacol
- English name: guaifenesin; guaiacol
- Chinese chemical name: 3- (2-methoxyphenoxy) propane-1,2-diol
- English chemical name: 3- (2-Methoxyphenoxy) -1,2-propanediol
- CAS RN .: 93-14-1
- Physical and chemical properties: Melting point 77-81 ° C, boiling point 215 ° C (19 mmHg), water solubility 5 g / 100 mL (25 ° c)
- Description: Tablets: 0.2g each, syrup: 1%, 2%.
- Function: Stimulate the gastric mucosa after oral administration, and increase the bronchial secretion due to reflexivity, so that the sputum is diluted. With antiseptic and antiseptic effects, this product also has antitussive, antispasmodic and anticonvulsant effects. It is used for phlegm cough, lung abscess, bronchiectasis and secondary asthma in chronic bronchitis. Combined with other antitussive and antiasthmatic drugs. For cases where mucus is not easy to cough.
- Dosage: Oral. Tablets, 0.1 to 0.2 grams for adults once, 3 to 4 times a day; children 15 mg once per kilogram of body weight, once every 6 hours. 10 to 15 ml of syrup at a time, 3 times a day.
- Note: Nausea, dizziness, drowsiness and allergies. This product has the effect of stimulating and expanding vascular smooth muscle, so it is contraindicated in patients with pulmonary hemorrhage, acute gastroenteritis and nephritis.