Hydroxyzine and phenylephrine (one of the active substances in Febrisan) are opposite and should not be combined.
In such a situation, a better solution will be to use a cold remedy that does not contain phenylephrine.

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https://www.gdziepolek.pl/produkty/26259/efferalgan-forte-tabletki-musujace/apteki

https://www.gdziepolek.pl/produkty/7714/aspirin-c-tabletki-musujace/apteki

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