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Nyquil Cold And Flu
(Acetaminophen / Dextromethorphan / Doxylamine)

Treats allergy symptoms. Claritin (Loratadine) is a once-daily allergy relief medication that doesn't make you feel sleepy.Relieves cold and flu symptoms, and helps you sleep. Nyquil Cold And Flu (Acetaminophen / Dextromethorphan / Doxylamine) is a useful combination medicine that relieves cold and flu symptoms and will help you sleep. Make sure you really need all of its ingredients.
How it works
Claritin (Loratadine) is an antihistamine. It blocks histamine, a chemical that causes congestion, itching, and other allergic reactions. Antihistamines can also make you sleepy, but Loratadine is a low-drowsiness version.Nyquil Cold And Flu (Acetaminophen / Dextromethorphan / Doxylamine) is a combination medicine that treats cold and flu symptoms. Acetaminophen relieves pain and reduces fever. Dextromethorphan is a cough suppressant. Doxylamine is an antihistamine that relieves a runny nose and makes you very sleepy.
Type of medication
2nd generation
Prescription or OTC
Pain reliever
Cough suppressantAntihistamine
Ethanolamine derivative
Available as
  • Pill
  • Chewable tablet
  • Orally disintegrating tablet
  • Liquid
  • Pill
  • Liquid
Used for (click to learn more)
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
of people
say Claritin is worth it
say it works well
say it’s a big hassle
of people
say Nyquil Cold and Flu is worth it
say it works well
say it’s a big hassle
Side effects

We haven’t found good data for Claritin side effects.

FDA side effect reports for Claritin »

We haven’t found good data for Nyquil Cold and Flu side effects.

FDA side effect reports for Nyquil Cold and Flu »
Risk factors for serious side effects
Pregnancy category
No specific alcohol-related info.
  • Avoid using alcohol and other drugs that make you drowsy.
No specific food-related info.No specific food-related info.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.
No specific sex-related info.No specific sex-related info.
No specific sleep-related info.
  • The antihistamine (doxylamine) will help you sleep.
No specific weight-related info.No specific weight-related info.
Upsides and benefits
  • Relieves allergy symptoms like sneezing and runny nose just as well as other antihistamines, but with less sedation (drowsiness).
  • Also treats hives and itchy skin.
  • Side effects are rare and usually mild.
  • Available over the counter without a prescription.
  • Comes as a tablet, liquid, or quick-dissolving tablet.
  • Can provide quick relief of allergy symptoms for both kids and adults.
  • Okay to take with most other medications because it doesn't have many interactions.
  • Nyquil Cold And Flu (Acetaminophen / Dextromethorphan / Doxylamine) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have watery eyes, a cough, fever, and pain.
  • The cough medicine (dextromethorphan) works well and has very few side effects.
  • The pain reliever (acetaminophen) is easier on your stomach and has fewer drug interactions than other pain medications like aspirin or ibuprofen.
  • The antihistamine (doxylamine) will help you sleep.
Downsides and risks
  • For some people, its effectiveness on treating allergies wears off over time.
  • Some people find that other more sedating antihistamines (like Zyrtec or Benadryl) are more effective for them.
  • If you have daily allergy symptoms, a prescription nasal steroid spray might be better for you long-term.
  • Not for kids under 2 years.
  • The Reditabs version contains aspartame (phenylalanine).
  • 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.
  • 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.
Tips from our pharmacists for people taking the medication
  • Take it only once a day.
  • Starts working in a few hours.
  • Can make you feel sleepy, so take it at bedtime if needed.
  • Avoid possible side effects by drinking plenty of non-caffeinated liquids.
  • If you need to use it for more than a few weeks, talk with your doctor about trying a nasal steroid instead, which might work better for you long-term.
  • Using an antihistamine eye drop might work better to help itchy or watery eyes.
  • Doxylamine (the antihistamine ingredient) can make you tired, so take it close to bedtime.
  • Follow age-specific dosing instructions on how much to take. Don't take more than recommended on the package.
  • Contains acetaminophen, also known as Tylenol or APAP. Taking too much can cause liver failure and death. Don't take more than what's recommended on the package or with other Tylenol-containing products.
  • Avoid using alcohol and other drugs that make you drowsy.
  • Let your doctor know if your symptoms don't improve in a few days, or if you have a really bad sore throat with a fever, headache, nausea, or vomiting.
Learn more
More about ClaritinSide effectsReviews & ratingsAlternativesFDA package insert
More about Nyquil Cold and FluSide effectsReviews & ratingsAlternativesFDA package insert
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