What are the possible side effects of Theraflu Warming Severe Cold Nighttime (Apap/Diphenhydramine/Phenylephrine)?
If you experience any of the following uncommon but serious side effects, stop taking acetaminophen, diphenhydramine, and phenylephrine and seek emergency medical attention or contact your doctor immediately: an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives) liver problems (yellowing of the skin or eyes, abdominal pain) blood problems (easy or unusual bleeding or bruising); or low blood sugar (fatigue, increased hunger or thirst, dizziness or fainting) Other, less serious side effects are more likely to occur including: dryness of the eyes, nose, or mouth drowsiness or dizziness blurred vision difficulty urinating; or excitation in children Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
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