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What is NOT recommended to use with zinc for cold treatment due to risk of loss of smell?
Zinc tablets
Zinc lozenges
Zinc nasal swab or nasal spray
Zinc supplements
The correct answer is: Zinc nasal swab or nasal spray
Zinc has been found to be effective in reducing the duration and severity of cold symptoms, but using it through the nasal route may cause loss of smell (anosmia) as a side effect. As such, the use of zinc nasal swabs or nasal sprays is not recommended for cold treatment. Zinc tablets, lozenges, and supplements are all acceptable alternatives, but it is important to follow recommended dosages and not exceed the daily limit. Other options such as zinc nasal washes or gels may also be effective without the risk of anosmia. Ultimately, it is best to consult with a healthcare professional before using any form of zinc for cold treatment.