Travel & Accommodation Qflex Oral: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing – WebMD 2 hours ago 0 Qflex Oral is a combination pain and cold medicine that pairs acetaminophen with a sedating antihistamine to... Read More Read more about Qflex Oral: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing – WebMD