Compare Allegra D vs. Tylenol Sinus

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

Allegra D
(Pseudoephedrine / Fexofenadine)

Tylenol Sinus
(Acetaminophen / Phenylephrine)

Treats allergy symptoms and congestion. Allegra D (Pseudoephedrine / Fexofenadine) is a combination allergy medicine that's useful if you have congestion and runny nose.Relieves pain and congestion. Tylenol Sinus (Acetaminophen / Phenylephrine) is a good combination medicine to relieve pain and congestion. Be careful to not take too much acetaminophen (APAP) each day.
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Reviews & ratings
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Reviews for Tylenol Sinus (Acetaminophen / Phenylephrine)
74%
+7% vs. Allegra D (Pseudoephedrine / Fexofenadine)
31%
36% vs. Allegra D (Pseudoephedrine / Fexofenadine)
5%
5% vs. Allegra D (Pseudoephedrine / Fexofenadine)
Side effects
Allegra DTylenol Sinus
  • Back pain 2%
More Allegra D side effects »

We haven’t found good data for Tylenol Sinus side effects.

FDA side effect reports for Tylenol Sinus »
How it works
Allegra DTylenol Sinus
Allegra D (Pseudoephedrine / Fexofenadine) is a combination medicine that relieves allergy symptoms. Fexofenadine (an antihistamine) prevents allergy symptoms like runny nose, sneezing, and itching. Pseudoephedrine (a decongestant) clears your sinuses.Tylenol Sinus (Acetaminophen / Phenylephrine) is a combination medicine that treats cold and allergy symptoms. Acetaminophen relieves pain and reduces fever. Phenylephrine is a decongestant that clears your sinuses.
Type of medication
Allegra DTylenol Sinus
DecongestantAntihistamine
2nd generation
Prescription or OTC
Pain reliever
APAP
DecongestantOver-the-counter
Available as
Allegra DTylenol Sinus
  • Extended release
  • Pill
Used for (click to learn more)
Allegra DTylenol Sinus
Risk factors for serious side effects
Allegra DTylenol Sinus
  • Taking with alcohol
  • Taking other medicines that make you less alert
  • History of high blood pressure
  • History of heart problems
  • Age 65 or older
  • History of seizure
  • Women of childbearing age
Detailed Allegra D (Pseudoephedrine / Fexofenadine) risks & warnings »
  • Drinking more than 2 alcoholic beverages a day
  • Taking with other Tylenol-containing medicines
  • History of liver disease
  • History of high blood pressure
  • Taking MAO inhibitors
  • Women of childbearing age
Detailed Tylenol Sinus (Acetaminophen / Phenylephrine) risks & warnings »
Pregnancy category
Allegra DTylenol Sinus
CFDA pregnancy category (Weigh risks vs. benefits)

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

See the FDA package insert
NFDA pregnancy category (Unknown)

The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

See the FDA package insert
Alcohol
No specific alcohol-related info.No specific alcohol-related info.
Food
No specific food-related info.No specific food-related info.
Kidneys and liver
  • Talk to your doctor if you have high blood pressure or kidney problems before using it.
No specific kidneys and liver-related info.
Sex
No specific sex-related info.No specific sex-related info.
Sleep
  • The antihistamine (fexofenadine) can cause dizziness, drowsiness, dry eyes/mouth, and constipation.
  • The decongestant (pseudoephedrine) can make your blood pressure higher and can make it harder to sleep.
  • Avoid taking it close to bedtime to prevent trouble sleeping.
No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.
Upsides and benefits
Allegra DTylenol Sinus
  • Available without a prescription in the drugstore.
  • It has two medications that work in different ways to help relieve nasal symptoms.
  • The antihistamine (fexofenadine) is useful for relieving itchy eyes, runny nose, or constant sneezing.
  • The decongestant (pseudoephedrine) is very good at relieving congestion.
  • Tylenol Sinus (Acetaminophen / Phenylephrine) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have a stuffy nose, a headache, 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 to other pain medications like aspirin or ibuprofen.
Downsides and risks
Allegra DTylenol Sinus
  • Has more side effects than Allegra since it has pseudoephedrine in it.
  • The antihistamine (fexofenadine) can cause dizziness, drowsiness, dry eyes/mouth, and constipation.
  • The decongestant (pseudoephedrine) can make your blood pressure higher and can make it harder to sleep.
  • You must show a photo ID to buy this from behind the pharmacy counter. There's a maximum limit on how much you can buy in the pharmacy at a time.
  • 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 need to keep track of the total amount of acetaminophen (APAP) you are taking since it is a very common ingredient in pain and cold/flu combination medicines.
Tips from our pharmacists for people taking the medication
Allegra DTylenol Sinus
  • It works best if you have nasal congestion and a runny nose.
  • Take on an empty stomach, 1 hour before eating or 2 hours after eating.
  • Shouldn't be used in kids younger than 12 years old.
  • Avoid taking it close to bedtime to prevent trouble sleeping.
  • Can cause dizziness, headache, or a fast heartbeat.
  • Talk to your doctor if you have high blood pressure or kidney problems before using it.
  • If symptoms get worse or you need to use it for more than a few weeks, talk with your doctor.
  • Starts working in 30 minutes.
  • Phenylephrine (the decongestant ingredient) can make you restless, so don't take it too close to bedtime.
  • 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.
  • Follow age-specific dosing instructions on how much to take.
  • Let your doctor know if your symptoms don't improve in a few days.
Learn more
More about Allegra DSide effectsReviews & ratingsAlternativesFDA package insert
More about Tylenol SinusSide effectsReviews & ratingsAlternativesFDA package insert