How Does Cold Medicine Work?

The video discusses the common cold, its symptoms, and the chemistry behind various over-the-counter medications used to alleviate these symptoms. It explains how cold symptoms are often the result of the body's immune response rather than the virus itself. The video covers decongestants like pseudoephedrine and phenylephrine, expectorants such as guaifenesin, and cough suppressants like dextromethorphan. It highlights the limitations of these medications, noting that they only treat symptoms and not the virus. The video concludes by debunking myths about vitamin C and zinc in cold prevention.

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