![]() Side effects that have been associated with potassium iodide use include: Confusion. Nausea and vomiting are the most commonly reported side effects constipation, dizziness, headache, and rash are reported rarely. Benzonatate is an nonnarcotic antitussive that anesthetizes certain receptors located in the breathing passages, reducing the urge to cough.Īlthough antitussives have been shown to be effective in adults, their effectiveness in children has not been established and their use in children should be discouraged. Guaifenesin is generally well tolerated at dosages recommended for use as an expectorant. Dextromethorphan can increase serotonin levels and may interact with other medicines that also increase serotonin. Chronic coughs: This type of cough lasts longer than three weeks, and can be caused by conditions such as asthma, chronic. Pholcodine and codeine may cause drowsiness and constipation and codeine may be addictive. Most over-the-counter cough medicines are designed to treat acute coughs. Many antitussives, including pholcodine, codeine, and dextromethorphan, are derived from opioids. Many viral coughs are best treated by increasing fluid intake and exposing the airways to humidity. Suppressing productive or mucus-producing coughs caused by some respiratory diseases with antitussives may be hazardous. In most cases, OTC medications such as cough suppressants, decongestants, and lozenges can help decrease a dry cough. The most often used active component in the strongest cough suppressant is dextromethorphan (DM). However, their use is not without controversy and they should only be considered for dry, irritating coughs that do not involve mucus production. The best medications for a dry cough may vary depending on the cause. ![]() Antitussives are thought to work by inhibiting a coordinating region for coughing located in the brain stem, disrupting the cough reflex arc although the exact mechanism of action is unknown. ![]() Antitussives are medicines that suppress coughing, also known as cough suppressants. ![]()
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