Compare Dimetapp Cold and Allergy vs. Allegra D

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

Dimetapp Cold And Allergy
(Phenylephrine / Brompheniramine)

Allegra D
(Pseudoephedrine / Fexofenadine)

Relieves congestion and allergy symptoms for kids. Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine) is good for multiple nasal symptoms, but it can make you really drowsy.Treats allergy symptoms and congestion. Allegra D (Pseudoephedrine / Fexofenadine) is a combination allergy medicine that's useful if you have congestion and runny nose.
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Reviews & ratings
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Have you used Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine)?
Worth itNot sureNot worth it

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Have you used Allegra D (Pseudoephedrine / Fexofenadine)?
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Side effects
Dimetapp Cold and AllergyAllegra D

We haven’t found good data for Dimetapp Cold and Allergy side effects.

FDA side effect reports for Dimetapp Cold and Allergy »
  • Back pain 2%
More Allegra D side effects »
How it works
Dimetapp Cold and AllergyAllegra D
Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine) is a combination medicine that relieves allergy and cold symptoms. Brompheniramine (an antihistamine) prevents allergy symptoms like runny nose, sneezing, and itchy eyes or skin. Phenylephrine (a decongestant) clears your sinuses.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.
Type of medication
Dimetapp Cold and AllergyAllegra D
DecongestantAntihistamine
1st generation
Over-the-counter
DecongestantAntihistamine
2nd generation
Prescription or OTC
Available as
Dimetapp Cold and AllergyAllegra D
  • Chewable tablet
  • Liquid
  • Extended release
Used for (click to learn more)
Dimetapp Cold and AllergyAllegra D
Risk factors for serious side effects
Dimetapp Cold and AllergyAllegra D
  • Taking with alcohol
  • Taking with other medicines that make you less alert
  • Women of childbearing age
  • History of high blood pressure
  • Taking MAO inhibitors
  • Age 65 years or older
  • Glaucoma
  • Benign prostatic hypertrophy (BPH)
Detailed Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine) risks & warnings »
  • 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 »
Pregnancy category
Dimetapp Cold and AllergyAllegra D
Kidneys and liver
No specific kidneys and liver related info.
  • Talk to your doctor if you have high blood pressure or kidney problems before using it.
Sleep
  • Brompheniramine (the antihistamine) can cause dizziness, drowsiness, dry eyes/mouth, and constipation.
  • 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.
Upsides and benefits
Dimetapp Cold and AllergyAllegra D
  • Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine) is a combination medicine with a decongestant and an antihistamine that's helpful in treating nasal symptoms related to cold and allergy.
  • Brompheniramine (the antihistamine) is useful for itchy eyes, runny nose, or constant sneezing.
  • Phenylephrine (the decongestant) is good for relieving congestion.
  • 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.
Downsides and risks
Dimetapp Cold and AllergyAllegra D
  • If you don't really need both of the medications in this combination, you'd be taking extra medicine and might have extra side effects for no reason.
  • Brompheniramine (the antihistamine) can cause dizziness, drowsiness, dry eyes/mouth, and constipation.
  • Phenylephrine (the decongestant) doesn't last as long as other oral decongestants like pseudoephedrine, but can cause jitteriness.
  • The two medications in this medicine can somewhat work against each other, with one making you sleepy and the other making you jittery.
  • 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.
Tips from our pharmacists for people taking the medication
Dimetapp Cold and AllergyAllegra D
  • Only use the provided dosage cup to measure the medicine. Don't use a spoon.
  • Follow the age-specific dosing instructions on how much to take. Don't take more than what's recommended on the package.
  • Talk to a doctor if the symptoms don't get better in 1 week.
  • 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.
Learn more
More about Dimetapp Cold and AllergySide effectsReviews & ratingsAlternativesFDA package insert
Have you used Dimetapp Cold And Allergy (Phenylephrine / Brompheniramine)?
Worth itNot sureNot worth it
More about Allegra DSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Allegra D (Pseudoephedrine / Fexofenadine)?
Worth itNot sureNot worth it