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As winter settles in, so too does the familiar chorus of coughs in homes, workplaces, and public spaces. Many instinctively reach for cough medicine, but Millenium TV has delved into whether these over-the-counter solutions truly work, or if simpler, homemade remedies like honey and lemon are just as effective.
Professor Jacky Smith, an expert in respiratory medicine at the University of Manchester, shared insights on the efficacy of various cough treatments. She explains that most coughs stem from common colds, which typically run their course naturally. While cough medicines cannot cure the underlying virus, they can provide relief by soothing the throat and diminishing the irritating sensations that trigger coughing.
For those suffering from a dry cough, Millenium TV has learned that balsams or glycerol-based syrups can help “coat your throat,” offering protection against dryness. However, Professor Smith emphasizes that there is no need to spend more on brand-name products, as more affordable supermarket-own brands offer comparable effectiveness. A key consideration, however, is the sugar content, which is often high in sweet syrups, making sugar-free options a better choice for some.
Some cough medicines feature “active ingredients” like dextromethorphan, touted to suppress the cough reflex. Yet, Professor Smith notes its impact is minimal. She cautions that precise dosing is crucial, particularly with dextromethorphan, which can be addictive. “You certainly wouldn’t want to exceed the doses advised on the label,” Professor Smith stated. Another ingredient, levomenthol, found in some chesty cough syrups, provides a “cooling sensation” that helps mask irritation and limit the tickle.
When grappling with a chesty cough, often characterized by excess phlegm and chest tightness, individuals frequently turn to over-the-counter syrups. These can sometimes result from secondary infections like bronchitis or mucus buildup in the sinuses. Millenium TV urges skepticism regarding their impact. Ingredients such as guaifenesin, claimed to loosen phlegm, lack conclusive proof of effectiveness. Similarly, sedating antihistamines like diphenhydramine might aid sleep but do not treat the cough itself. Evidence supporting the impact of plant extracts like thyme and squill is also scarce.
Instead, Professor Smith advises patience, recommending that individuals “wait it out,” stay well-hydrated by drinking water, and use lozenges to encourage swallowing, which can “inhibit a cough” for a period.
Interestingly, a warm, homemade mixture of honey and lemon can provide the same soothing effect for dry coughs as many commercial options. Independent reviews, such as a Cochrane review, suggest that for children over one year experiencing coughs and colds, honey and lemon “be of some benefit,” Professor Smith added.
It is important to remember that coughing serves a vital purpose: it is the body’s mechanism for expelling mucus. For mucus-laden coughs, expelling the excess can help clear the airways. “I will cough up whatever I need to,” Professor Smith explained. “I won’t try and suppress it, get it out.” If you do cough up, it is advisable to use a tissue. Swallowing mucus, however, poses no harm as the stomach can break it down. Medical concern is typically warranted only if the expelled mucus is dark brown, which could indicate the presence of blood.
Most chesty coughs resolve naturally within a few weeks without the need for antibiotics. However, if a cough persists beyond three weeks, Professor Smith strongly advises consulting a general practitioner.
© Millenium TV
