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Robitussin Peak Cold Daytime Cold + Flu

Generic name: acetaminophen, dextromethorphan, and phenylephrine

Brand names: Cold and Flu Daytime Relief, Comtrex Cold and Cough, DayQuil Cold and Flu, Daytime, Flu and Severe Cold and Cough Daytime Powder, Mapap Cold Formula, Mucinex Fast-Max Congestion and Headache, Next Cold and Flu Daytime, Robitussin Peak Cold Daytime Cold + Flu, Theraflu Daytime Severe Cold and Cough, Theraflu PowerPods Daytime Severe Cold, Sudafed PE Pressure+Pain+Cough, Theraflu Warming Severe Cold Daytime, Tylenol Cold Multi-Symptom Daytime

Used for nasal congestion
Last updated November 3, 2026 0 views
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What is Robitussin Peak Cold Daytime Cold + Flu?

Acetaminophen helps relieve pain and reduce fever.

Dextromethorphan works as a cough suppressant by affecting the brain signals that cause the cough reflex.

Phenylephrine is a decongestant that reduces the size of blood vessels in the nasal passages. When blood vessels are swollen, they can lead to nasal congestion (a stuffy nose).

Robitussin Peak Cold Daytime Cold + Flu is a combination medicine designed to treat headache, fever, body aches, cough, stuffy nose, and sinus congestion caused by allergies, the common cold, or the flu.

Robitussin Peak Cold Daytime Cold + Flu will not help with a cough caused by smoking, asthma, or emphysema.

Robitussin Peak Cold Daytime Cold + Flu may also be used for other reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Robitussin Peak Cold Daytime Cold + Flu?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. This medicine is usually taken only for a short time until your symptoms go away.

Do not take more of this medication than recommended. An acetaminophen overdose can harm your liver or cause death.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving cough or cold medicine to a child. Death can occur from the misuse of cough or cold medicine in very young children.

Measure liquid medicine with a special dose measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose measuring device, ask your pharmacist for one.

Dissolve one packet of the powder in at least 4 ounces of water. Stir this mixture and drink all of it right away.

Do not take for longer than 7 days in a row. Stop taking the medicine and call your doctor if you still have a fever after 3 days of use, you still have pain after 7 days (or 5 days if treating a child), if your symptoms get worse, or if you have a skin rash, ongoing headache, or any redness or swelling.

If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken this medicine within the past few days.

Store at room temperature away from moisture and heat. Do not allow liquid medicine to freeze.

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Warnings

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could happen. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

Do not take more of this medication than is recommended. Taking too much acetaminophen can harm your liver or cause death. Call your doctor immediately if you have nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of your skin or eyes).

In rare cases, acetaminophen may cause a severe skin reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

You should not use this medication if you are allergic to acetaminophen, dextromethorphan, or phenylephrine.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have other medical conditions, especially:

  • liver disease, alcoholism, or if you drink more than 3 alcoholic beverages per day;
  • high blood pressure, heart disease, coronary artery disease;
  • asthma or COPD, cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;
  • diabetes;
  • glaucoma;
  • overactive thyroid;
  • epilepsy or other seizure disorder;
  • pheochromocytoma (an adrenal gland tumor); or
  • bladder obstruction or other urination problems.

It is not known whether Robitussin Peak Cold Daytime Cold + Flu will harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.

Acetaminophen, dextromethorphan, and phenylephrine may pass into breast milk and may harm a nursing baby. Decongestants may also slow breast milk production. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.

Artificially sweetened cold medicine may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.

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Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This can happen even if you have taken acetaminophen before and had no reaction. Stop taking this medicine and call your doctor immediately if you have skin redness or a rash that spreads and causes blistering and peeling. If you have this type of reaction, you should never take any medicine that contains acetaminophen again.

Stop using Robitussin Peak Cold Daytime Cold + Flu and call your doctor right away if you have:

  • chest pain, fast, slow, or uneven heart rate;
  • severe dizziness, feeling like you might faint;
  • mood changes, confusion, hallucinations, seizures (convulsions);
  • little or no urinating;
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
  • dangerously high blood pressure (severe headache, blurred vision, ringing in your ears, anxiety, chest pain, uneven heartbeats, seizures).

Common side effects of Robitussin Peak Cold Daytime Cold + Flu may include:

  • dizziness, weakness, mild headache;
  • diarrhea, upset stomach;
  • dry mouth, nose, or throat;
  • feeling nervous, restless, irritable, or anxious; or
  • sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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What happens if I miss a dose?

Since you take Robitussin Peak Cold Daytime Cold + Flu as needed, you might not have a set dosing schedule. If you are taking it regularly and forget a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose. Do not take extra medicine to compensate for the missed dose.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical help or call the Poison Help line at 1-800-222-1222. Taking too much acetaminophen can be deadly.

The first signs of an acetaminophen overdose include not wanting to eat, feeling sick to your stomach, throwing up, stomach pain, sweating, and feeling confused or weak. Later signs may include pain in your upper stomach, dark urine, and yellowing of your skin or the whites of your eyes.

Overdose symptoms may also include severe versions of some side effects listed in this medication guide.

Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medicine. Acetaminophen (sometimes called APAP) is found in many combination medicines. Taking certain products together can lead to taking too much acetaminophen, which can cause a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.

This medication may affect your thinking or reactions. Be cautious if you drive or do anything that requires you to stay alert.

Avoid drinking alcohol. It may increase your risk of liver damage while you are taking acetaminophen.

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What other drugs will affect Robitussin Peak Cold Daytime Cold + Flu?

Other drugs may interact with Robitussin Peak Cold Daytime Cold + Flu, including prescription and over-the-counter medicines, vitamins, and herbal products. Inform each of your health care providers about all medicines you are currently using and any medicine you begin or stop using.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.