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A 2014 study found that guaifenesin does not affect sputum volume in upper respiratory infections (the upper respiratory system includes most breathing parts above the lungs). [5] [6] Side effects may include dizziness, sleepiness, skin rash, and nausea. [4] While it has not been properly studied in pregnancy, it appears to be safe. [7]
One mucoactive agent, guaifenesin, has anxiolytic and muscle-relaxing properties. It is commonly available in cough syrups and also as sustained-release tablets. Mucolytics can dissolve thick mucus and are usually used to help relieve respiratory difficulties. They do this by breaking down the chemical bonds between molecules in the mucus. [5]
Guaifenesin is an oral medication used to try to help cough out phlegm from the airways. [1] It is often used in combination with other medications. [1] It is believed to work by making airway secretions more liquid. [1] Side effects may include dizziness, sleepiness, skin rash, and nausea. [2] Guaifenesin has been used medically since at least ...
A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract.The active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed effectiveness).
Cold medicines are a group of medications taken individually or in combination as a treatment for the symptoms of the common cold and similar conditions of the upper respiratory tract. The term encompasses a broad array of drugs, including analgesics , antihistamines and decongestants , among many others.
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 the human respiratory system, mucus is part of the airway surface liquid (ASL), also known as epithelial lining fluid (ELF), that lines most of the respiratory tract. The airway surface liquid consists of a sol layer termed the periciliary liquid layer and an overlying gel layer termed the mucus layer.
Most common side effects for these drugs may include dry mouth, headache, urinary tract infection, and bronchitis. Other: Other prescription and over-the-counter medications, such as theophylline , cromolyn , and montelukast are indicated for specific diseases and may only provide bronchoconstriction relief to these studied populations.