Tag: Koffex

Drowsiness is a common side effect of many over-the-counter cough and cold medications [1.4.5]. If you've ever asked, **Does Koffex make you tired?**, the answer often lies in its specific formulation and active ingredients, which can vary between different Koffex products.

According to Canadian drug information, drowsiness is a potential side effect of Koffex syrup, especially at higher doses. This means for some individuals, the answer to 'Does Koffex make you sleepy?' is yes, although the effect is often considered mild.

An estimated 3 to 8 hours is the typical duration of action for a standard dose of Koffex, which contains the cough suppressant dextromethorphan hydrobromide. The answer to **How long does Koffex last?** depends heavily on individual metabolism, product formulation, and dosage.

For many, relief from a persistent cough is needed quickly, and with its active ingredient dextromethorphan, Koffex typically starts to work within 15 to 30 minutes of consumption. This rapid onset is why it's a popular choice for relieving a dry cough.

An irritating, persistent dry cough can be a major disruption to daily life, often associated with the common cold or flu. Over-the-counter medications like Koffex DM are formulated to combat this symptom by acting on the brain’s cough center. Understanding how Koffex works provides insight into its effectiveness for suppressing dry coughs.