| Guaifenesin | Pseudoephedrine | |
|---|---|---|
| What it is | Expectorant | Expectorant |
| Used for | ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive | helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive temporarily relieves nasal congestion due to: common cold hay fever upper respiratory allergies temporarily restores… |
| Usual adult dose | Adults and children 12 years of age and over: 1 tablet every 12 hours. | Adults and children 12 years and older: 2 tablets every 12 hours. |
| Children | Children under 12 years of age: do not use. | Children under 12 years of age: do not use. |
| Prescription (U.S.) | No (over the counter) | No (over the counter) |
| Common side effects | ■ cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious illness. | Stop use and ask doctor if you get nervous, dizzy, or sleepless symptoms do not get better within 7 days, come back or occur with a fever, rash, or persistent headache. These could be signs of a serious illness. |
| Pregnancy | If pregnant or breast-feeding ask a health professional before use | If pregnant or breast-feeding, ask a health professional before use. |
From the official U.S. labels. Brands and strengths differ between countries.
Neither official label mentions the other. That does not prove they are safe together: ask a pharmacist, and use the free interaction checker.
Check them togetherGuaifenesin is expectorant and Pseudoephedrine is expectorant. Guaifenesin is used for: ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive Pseudoephedrine is used for: helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive temporarily relieves nasal congestion due to: common cold hay fever upper respiratory allergies temporarily restores…
Neither official label mentions the other. That does not prove they are safe together: ask a pharmacist, and use the free interaction checker.
It depends on what you are treating, your health and other medicines. Your doctor or pharmacist can tell you which one suits you; this page shows what each official label says.