Compare Theraflu Daytime Severe Cold And Cough vs. Dayquil Cold And Flu

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Theraflu Daytime Severe Cold And Cough (Acetaminophen / Dextromethorphan / Phenylephrine)

Over-the-counter
Relieves cold and flu symptoms.

Theraflu Daytime Severe Cold And Cough (Acetaminophen / Dextromethorphan / Phenylephrine) is good for treating multiple cold and flu symptoms, but it's more medicine than you need if you only have one symptom.

Relieves cold and flu symptoms.

Dayquil Cold And Flu (Acetaminophen / Phenylephrine / Dextromethorphan) is a useful combination medicine that relieves cold and flu symptoms, but make sure you really need all of its ingredients.

5.1/ 7 average rating with 1034 reviewsforDayquil Cold And Flu
Upsides
  • Theraflu Daytime Severe Cold And Cough (Acetaminophen / Dextromethorphan / Phenylephrine) is a combination medicine that relieves multiple cold and flu symptoms. It's good to use if you have a stuffy nose, a cough, fever, and pain.
  • Since you're taking this with water, it can help you stay hydrated.
  • The decongestant (phenylephrine) has fewer side effects than other decongestants like pseudoephedrine. It doesn't raise your blood pressure and heart rate as much, or cause as much trouble falling asleep.
  • The pain reliever (acetaminophen) is easier on your stomach and has fewer drug interactions than other pain medications like aspirin or ibuprofen.
  • Dayquil Cold And Flu (Acetaminophen / Phenylephrine / Dextromethorphan) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have a stuffy nose, a cough, fever, and pain.
  • The decongestant (phenylephrine) has fewer side effects than other decongestants like pseudoephedrine. It doesn't raise your blood pressure and heart rate as much, or cause as much trouble falling asleep.
  • The pain reliever (acetaminophen) is easier on your stomach and has fewer drug interactions than other pain medications like aspirin or ibuprofen.
Downsides
  • If you don't really need all of the medications in this combination, you're taking extra medicine and might have extra side effects for no reason.
  • Phenylephrine doesn't last as long as other decongestants like pseudoephedrine.
  • You shouldn't use it if you have high blood pressure.
  • To avoid hurting your liver, you have to keep track of the total amount of acetaminophen (APAP) you're taking since it's a very common ingredient in pain and cold/flu combination medicines.
  • If you don't really need all of the medications in this combination, you're taking extra medicine and might have extra side effects for no reason.
  • Phenylephrine doesn't last as long as other oral decongestants like pseudoephedrine.
  • You shouldn't use it if you have high blood pressure.
  • To avoid hurting your liver, you have to keep track of the total amount of acetaminophen (APAP) you're taking since it's a very common ingredient in pain and cold/flu combination medicines.
Used for
Dosage forms
  • Powder
  • Pill
  • Liquid
No pricing information available
No pricing information available
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Reviews
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1034 
81%
think this treatment is worth it
38%
think this treatment works well
5%
think this treatment is a hassle

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Side effects
The Theraflu Daytime Severe Cold And Cough (Acetaminophen / Dextromethorphan / Phenylephrine) FDA package insert doesn’t have numbers about how common side effects are.
The Dayquil Cold And Flu (Acetaminophen / Phenylephrine / Dextromethorphan) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Liver damage

    Drinking more than 3 alcoholic beverages a day

    ...and 2 more risk factors

  • Chronic cough from an infection

    History of chronic obstructive pulmonary disease (COPD)

    ...and 1 more risk factors

  • High blood pressure

    History of high blood pressure

    ...and 1 more risk factors

  • Serotonin syndrome

    Using other medications that affect serotonin

  • Brain damage from too much phenylalanine

    History of phenylketonuria (PKU)

  • Harm to unborn babies

    Women of childbearing age

See more detailed risks and warnings
  • Liver damage

    Drinking more than 2 alcoholic beverages a day

    ...and 2 more risk factors

  • High blood pressure

    History of high blood pressure

    ...and 1 more risk factors

  • Serotonin syndrome

    Using other medications that affect serotonin

  • Harm to fetus

    Women of childbearing age

  • Chronic cough

    History of chronic obstructive pulmonary disease (COPD)

    ...and 1 more risk factors

See more detailed risks and warnings