These decongestants work by narrowing blood vessels in the nasal passages to reduce swelling. Dextromethorphan, a common over-the-counter cough suppressant, can affect the brain's cerebellum, which is responsible for coordination and balance.
Cough Syrup Dizziness on an Empty Stomach: What Happens and Why
When to Seek Medical Advice Occasional dizziness following standard use is usually harmless, but persistent symptoms indicate a need for evaluation. Furthermore, taking cough syrup on an empty stomach causes the medication to absorb into the bloodstream much faster than intended, creating a sudden peak in concentration that the body struggles to manage smoothly.
Even though it targets the central nervous system to calm coughing, the alteration of neural pathways can sometimes result in a mild, disorienting feeling. Some individuals metabolize this compound differently, leading to a higher concentration in the bloodstream.
Cough Syrup Dizziness on an Empty Stomach: What to Know
Decongestants and Blood Pressure If your cough syrup contains phenylephrine or pseudoephedrine, the dizziness is likely related to blood pressure and heart rate. If the lightheadedness is severe, accompanied by fainting, chest pain, or irregular heartbeat, it is crucial to stop taking the medication and contact a healthcare provider immediately.
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