What Are The Side Effects Of Antihistamines?

Nausea And Vomiting

Nausea and vomiting are less common side effects of antihistamines, but they can still sometimes occur. For the most part, individuals will have better results if they switch to other antihistamines, but if that's not the case, they might need to undergo other treatments. Nausea and vomiting don't usually indicate a serious reaction, but patients should still keep an eye on their body. If the illness continues after discontinuing the medication, patients should see their doctor. In addition, patients should get medical help right away if there's blood in their vomit or stool. For some individuals, nausea might come on very soon after taking the antihistamine, but for others, it might not appear until they eat or drink. Individuals can mitigate the nausea-inducing effects of some medications, including antihistamines, by taking them with food. Before doing so, though, they should always ask a pharmacist for advice.

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