From my personal experience, using a cough syrup that contains codeine and natural extracts like Erysimum Officinale can be quite effective in soothing persistent coughs. Euphon syrup, with 0.100 g of codeine per dose, works not only by suppressing the cough reflex but also helps reduce throat irritation thanks to the herbal components. It's important to note that this syrup should only be used under medical supervision due to the presence of codeine, which is an opioid and can be habit-forming if misused. When using Euphon Codéine and Erysimum Officinale syrup, always respect the prescribed dosage and storage instructions—as indicated, the syrup should be kept out of children's reach and used within 30 days after opening. The syrup comes with a measuring cup (15 ml), making it easier to take accurate doses. I found that taking the syrup as directed, especially at night, helped in minimizing coughing fits and improving sleep quality. Furthermore, since the syrup contains codeine, it is typically available only by prescription to ensure safe use. If you suffer from conditions like asthma, respiratory diseases, or are pregnant or breastfeeding, consult your healthcare provider before use. Keep track of how your body responds, as codeine can sometimes cause side effects such as drowsiness or dizziness. In summary, Euphon Codéine and Erysimum Officinale syrup can be a valuable remedy for those dealing with troublesome coughs, combining the benefits of traditional herbal medicine with the efficacy of codeine. However, its use should be cautious, following medical guidance for safety and effectiveness.