DayQuil is one over-the-counter medication the treats multi-symptom cold medicine, including nasal congestion, cough, fever, headache, and minor aches and also pains. Exactly how long walk the effect of DayQuil last, and how lengthy does it remain in your system?

DayQuil large for around 4 hours. The recommended sheep is 30 mL (2 TBSP) every 4 hours.

You are watching: How long does dayquil stay in your system

DayQuil Cough provides cough relief for up to 8 hours. DayQuil stays in your system for 24 come 36 hours prior to it is got rid of from your body.

Read ~ above to discover out more about exactly how long DayQuil lasts, suitable dosage, storage, and more.

How long Does DayQuil Last?


DayQuil has come to be a popular choice as an over-the-counter drug due to the fact that it relieves many symptoms connected with the usual cold and also influenza there is no compromising alertness and also cognitive function.

DayQuil big for approximately four hours. DayQuil has a cough medication dubbed Dextromethorphan, i beg your pardon lasts around 4 hours, approximately a best of 6 hours. You deserve to expect this drug to stay in your system for around 24-36 hours.

DayQuil is absorbed quickly from her stomach and also works in as fast as 30 minutes. DayQuil have the right to be take away every four hours. You can take DayQuil cough every 6 come 8 hours. Part DayQuil commodities contain an ext Dextromethorphan, a cough medication the lasts 6 to 8 hrs in her system. Constantly read the product brand on her DayQuil product to recognize the precise dosage.

You might still experience some side results of DayQuil even after you have stopped acquisition medicine and also are over her sickness. This is since DayQuil is still in your system. Remove of this drug from your system depends top top the DayQuil product you took. However, the time it takes come be eliminated from your mechanism will count on what DayQuil product you took.

Available DayQuil Formulations

DayQuil Cold and also Flu – has Acetaminophen, Dextromethorphan, and also PhenylephrineDayQuil sneeze – contains DextromethorphanDayQuil significant Cold and also Flu – consists of Acetaminophen, Dextromethorphan, Guaifenesin, Phenylephrine.DayQuil Mucus manage – contains Guaifenesin and also Dextromethorphan.

Next, we’ll take it a look at just how much time it would take for each ingredient come be eliminated from her system. To eliminate acetaminophen in your mechanism will take about 22 hours. Of all the energetic ingredients found in NyQuil, Guaifenesin has the shortest removed time, 6 hours. Phenylephrine takes around 17 hrs to remove from your system.

Dextromethorphan is the ingredient that takes the longest to eliminate from your body at 33 hours from ingestion. So, the is safe to conclude that DayQuil elimination native your mechanism will occur within 24 to 36 hours.

How go DayQuil Work?

DayQuil is a multi-symptom cold and also flu product by Proctor and also Gamble, under the brand Vicks. The is easily accessible as an over-the-counter drug. It treats the flu and the common cold symptoms, including fever, cough, nasal congestion, fever, and minor aches and also pains.

Taking DayQuil throughout the day will not make you drowsy. DayQuil large for around 4 to 6 hours. It continues to be in your mechanism for 24 come 36 hours. See our article on taking DayQuil at night to learn much more about the results of Dayquil.


NyQuil, a product from the exact same makers, was formulated to be taken in ~ night together it has an added active ingredient, doxylamine. Doxylamine is an antihistamine the relieves your allergy symptoms. However, this ingredient deserve to make you drowsy. To learn much more about NyQuil, view our write-up on taking NyQuil during the day.

Acetaminophen works to mitigate fever and is likewise a ache reliever. It transforms the regulation of her body’s temperature and also how her body reacts to pain. ~ above the other hand, Phenylephrine is a sleep decongestant that lessens the swelling of blood ship in your sinuses, enabling you to breath easily.

Dextromethorphan is a sneeze suppressant that sends signals to your mind that lessens your advice to cough. Gaafenesin thins mucus so that you have the right to cough it increase easier.

DayQuil Dosage

LiquiCaps describe DayQuil capsule preparations the contain fluid inside. It also comes in fluid form, both because that adults and also for children. Moreover, it is ideal to top your medical professional if your boy is listed below 6 year old.

Let’s look at the encourage dosage follow to age group. Also, you should not offer DayQuil come children listed below 4 years old.

Adults and also Children 12 Years and Above

For LiquiCaps – two capsules every 4 hours. Perform not exceed much more than 4 doses in 24 hours.For fluid – 30ml every 4 hours. Perform not exceed 4 sheep in 24 hours.

Children 6 – 11 years Old

For LiquiCaps – no recommendedFor fluid – 15ml every 4 hours. Execute not exceed 4 doses in 24 hours.

Consult your physician if symptoms execute not improve after taking DayQuil for two days.

What If You miss a Dayquil Dose?

DayQuil is in reality a medication you have the right to use as needed, and also it’s ok for you no to be on booked doses. However, if your doctor has actually put girlfriend on a dosing schedule and you miss out on a dose, take it as shortly as friend remember.

If it is nearly time for your next dose, skip the missed dose and also take the medication on your following scheduled dose. Lastly, do not add more medicine come your next dose to consist of for the let go one.

DayQuil side Effects


As with many medications, DayQuil can cause some next effects. Plenty of of this side results do no warrant clinical attention, yet you still need to be mindful of them. The side results will commonly go away due to the fact that your body will change to the medicine.

Common side Effects

LightheadednessDrowsinessDizzinessStomach PainNauseaVomitingNervousnessDifficulty sleeping

If you’re taking DayQuil, stop eating grapefruit or drinking grapefruit juice. It has been studied that eating grapefruit and taking dextromethorphan (an active ingredient in DayQuil) can increase the levels of dextromethorphan in your system. Thus, an enhancing the side impacts of DayQuil, like dizziness and also nervousness.

Other side Effects

The complying with are less common side effects but are an ext severe:

RashItchingHivesBreathing difficultiesDifficulty in swallowingFace swelling including lips, tongue, and throatSwelling that hands and feet

Although this side effects are no common, if girlfriend experience any kind of of lock while taking DayQuil, gain emergency medical attention immediately.

Again, how long walk DayQuil last? We mentioned that DayQuil big for about four hours. And also if the formulation of DayQuil you space taking contains a sneeze medication called Dextromethorphan, the cough medication lasts roughly 6 hours. DayQuil continues to be in your system for 24 come 36 hours prior to it is got rid of from her body.

If girlfriend still experience any side impacts 24 to 36 hrs after acquisition your last dose that DayQuil, consult a doctor, together the medicine is out of your device by this time.

How to appropriately Take DayQuil

1. Always use as Directed

DayQuil comes with dosing accuse on their product label. Follow specifically what is ~ above the label or as prescribed by her doctor. Execute not take it in smaller sized or bigger doses than what has been recommended. Stop taking DayQuil as soon as your symptoms have actually cleared up.

Do no take for an ext than 7 days. Consult your physician if you still have a heat after 3 days, still have pain after ~ 7 days, if you develop a rash, or if her symptoms obtain worse.

2. Use the measure up Spoon or Cup that Comes v It

DayQuil liquid will certainly come through either a measuring spoon or a medicine cup. Usage this come measure her liquid DayQuil, and also do not usage an plain spoon. Lastly, if you shed your medicine cup, ask your pharmacist because that one.

3. Inform Your physician If You’re having Surgery or Other medical Procedures

Let your doctor know that you’re acquisition DayQuil or have actually taken the in the critical 2 days. DayQuil may communicate with other medications you’ll must take post-surgery.

4. Store Properly

Store DayQuil properly. Keep away native moisture and heat. Also, perform not save it in the freezer.

DayQuil FAQs


What space the medicine You must Avoid while acquisition DayQuil?

You have to avoid some medications while acquisition DayQuil due to the fact that the active ingredients (like Acetaminophen) in DayQuil can connect with them. This interactions may adjust how the drug works and its effectiveness. Castle could likewise increase your opportunities of experiencing an ext severe side effects.

Acetaminophen interact with this Drugs:CarbamazepineIsoniazidPhenobarbitalPhenytoinPhenothiazineWarfarin

DayQuil likewise contains phenylephrine and dextromethorphan, which connect with monoamine oxidase inhibitors or MAOIs. MAOIs continue to be in your system for roughly two weeks, and also so, if you’ve taken castle in the last 2 weeks, there might still be drug interactions.


Is DayQuil Safe?

DayQuil is a safe medicine to usage for most people. However, you should avoid it if you have actually the following medical conditions since they might harm you. Asking your doctor if you have the right to take DayQuil if you have any kind of of the following medical conditions:

Blockage in her stomach or intestinesHeart diseaseHigh blood pressureDiabetesLiver DiseaseThyroid DiseaseEnlarged prostate that provides urinating difficult

Is DayQuil Misuse Possible?

Like every drugs, misuse of DayQuil is possible. The isn’t because that all types of cough. Protect against using DayQuil come treat a fertile cough or a cough where you deserve to cough up her mucus. Also, avoid using dayQuil because that the following conditions:

Cough linked with asthma, Smoker’s cough, Chronic bronchitis, or emphysema.

Your doctor knows just how to law said problems by prescribing a various drug.

DayQuil contains dextromethorphan, an frequently misused drug. Note that too much dextromethorphan can cause hallucinations, and in really high doses, the can cause death. Also, remember to take DayQuil only in safe dosages. Friend can inspect the product label for the appropriate dosing.

What Will occur If You take it Too lot DayQuil?

If you take it too much DayQuil also often, it can reason damage to your liver from the acetaminophen. You have to make certain that you space not taking acetaminophen or any type of other medicine that includes acetaminophen while you are taking DayQuil.

This can reason an overdose the acetaminophen. Also, remember not to exceed 4 sheep of DayQuil in a duration of 24 hours and also not to take it for an ext than 7 days.

If you accidentally take it too lot DayQuil, contact your regional poison manage center. If you recognize anyone who has taken too lot DayQuil, contact 911 and seek clinical attention for the person immediately.

How to properly Store DayQuil?

Store DayQuil away from light and also moisture. Just like all medicine, save DayQuil far from children and also pets. Read and also follow the product brand for storage instructions.

When DayQuil expires, consult her pharmacist or neighborhood waste handle company around how to discard your product safely. Perform not flush any type of medication down the toilet or pour them under the drain.

Conclusion: how Long walk DayQuil Last? how Long walk DayQuil continue to be in her System?

DayQuil’s impacts last for roughly 4 come 6 hours. DayQuil sneeze lasts for up to 8 hours. If the DayQuil you are taking consists of a sneeze medication called Dextromethorphan, the maximum result lasts approximately 6 hours.

This is why the dosage ~ above the product brand is in between 4 to 6 hours. DayQuil remains in your mechanism for 24 to 36 hours before it is removed from her body.

DayQuil is an reliable medication supplied to act multi-symptom colds and flu. The active ingredients in DayQuil aid relieve your symptoms to make you feeling better.

See more: What Is The Square Root Of 5184 ? Square Root Of 5184

Follow the details we gave to assist you safely take DayQuil. If you’re still in doubt, consult her doctor prior to you usage DayQuil.