Warnings Do not use if you are now taking a prescription monoamine oxidase inhibitor MAOI certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease , or for 2 weeks after stopping the MAOI drug. Ask a doctor before use if you have chronic cough that lasts as occurs with smoking, asthma or emphysema cough that occurs with too much phlegm mucus.
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Logan B. Food and Drug Administration. Chronic cough is thought to be caused by three primary disease processes: chronic airway disease asthma and COPD , post-nasal drip, and gastroesophageal reflux disease GERD. Acute cough may be related to a common cold, asthma exacerbations, or upper respiratory tract infections such as bronchitis.
A cough may be dry, meaning that it does not produce mucus or phlegm, or it may be wet, meaning it brings up mucus or phlegm from the respiratory tract.
Dry coughs tend to have a more consistent hoarse sound, while the sound of a wet cough may have a gurgling effect and change as the mucus moves through the airways. Delsym dextromethorphan and Robitussin dextromethorphan are two cough suppressant medications available without a prescription to help provide temporary relief from cough. Delsym and Robitussin each belong to a line of products under the same trade name that provides combination medicines aimed at treating a variety of cough and cold symptoms including cough, chest congestion, runny nose, nasal congestion, and fever.
Delsym is an over-the-counter cough relief medication. Dextromethorphan, while not an opioid, is chemically related to codeine. It retains the antitussive properties of codeine but does not display any of the other typical opiate agonist characteristics. Dextromethorphan works centrally to suppress cough by decreasing the excitability of the cough center in the brain.
What makes Delsym unique is a patented time-release formulation that provides 12 hours of cough relief as compared to the typical four to six hours of relief provided by other types of cough syrup which are not time-released. It comes in three and five ounces in both orange and grape flavors.
Delsym can be used by children 4 years of age and older. Robitussin is also an over-the-counter cough suppressant. The active ingredient of Robitussin is also dextromethorphan. Robitussin Hour Cough Relief comes in three and five ounces in orange and grape flavors and can be used by children 4 years of age and older. Delsym and Robitussin are indicated in the temporary relief of cough. They are especially useful in non-productive coughs such as the common cold and bronchitis.
Dextromethorphan, the active ingredient in the brand name products Delsym and Robitussin, is used off-label to treat painful diabetic neuropathy. Off-label is a term that refers to using a drug for a purpose not officially approved by the Food and Drug Administration FDA.
NMDA receptors play an important role in pain perception, especially long-term, throbbing pain. By blocking these receptors, dextromethorphan is thought to help improve pain control. By the same mechanism, dextromethorphan may increase opioid effects on pain relief. Given that Delsym and Robitussin are both the same concentration of dextromethorphan polistirex, their efficacy is best understood as compared to other cough suppressants. In a clinical study comparing dextromethorphan to codeine, dextromethorphan produced a clinically similar level of cough suppression.
In this study, patients reported a greater decrease in cough intensity with dextromethorphan as compared to codeine.
Given that dextromethorphan is not an opiate, and is available without a prescription, products containing dextromethorphan are generally considered a first-line treatment. The Journal of Family Practice published findings that dextromethorphan produces superior cough relief as compared to other remedies, including antihistamines, decongestants, and expectorants.
Expectorants may be indicated in patients with a wet, productive cough to assist in being able to clear the mucus from the airway. Dextromethorphan-containing products, such as Delsym and Robitussin, are widely regarded as a first choice in cough suppression.
If your cough is long-lasting or not relieved by over-the-counter cough medicines, you should seek medical attention, as it could be a sign that there is a more severe process occurring.
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