Jul 03, · A person should take Vicks Dayquil every 4 hours and should not exceed 6 dose or 6 capsules a day. A severe dosage of dayquil may results worse. How Long Does Dayquil Last? After what we have researched about, the Dayquil dosage will last for 4 to 10 hours and It relies upon a person’s immune system and body weight. The non-drowsy, multi-symptom cold and flu relief of DayQuil‚Ñ¢ Cold & Flu Liquid helps you get your power back so you can enjoy the day.
Mar 24, · Measure the dosage carefully if you are taking NyQuil liquid. Don’t use household spoons as the dosage might be wrong. Shake the bottle well before using it if you are taking a suspension form. If you are taking extended-release capsules, swallow them whole; don’t crush or chew them as they will lose their effect. Aug 09, · DayQuil Cold & Flu is a combination product that contains the active ingredients acetaminophen, dextromethorphan, and phenylephrine. It temporarily treats symptoms of the common cold and flu.
Aug 28, · Taking more than the recommended dose can cause serious health problems. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if . Adult Dosage: 2 caps every 4hrs; max 6 doses/24hrs.