Treats allergy symptoms and congestion. Allegra D (Pseudoephedrine / Fexofenadine) is a combination allergy medicine that's useful if you have congestion and runny nose. Clears your sinuses. Sudafed (Pseudoephedrine) relieves stuffy nose, but it could keep you up at night. Don't forget your photo ID or you won't be able to buy it in the drugstore. How it works 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. Sudafed (Pseudoephedrine) is a decongestant. It narrows blood vessels and reduces swelling in your nasal passages to make breathing easier. Type of medication Decongestant Antihistamine
› 2nd generation
Prescription or OTC Decongestant Prescription or OTC Available as Pill Extended release Liquid Used for (click to learn more) Find lowest prices Save on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance. Reviews & ratings Everyone Men Women Button Group. All currently active Everyone Men Women All ages 18-34 35-54 55+ Button Group. All currently active All ages 18-34 35-54 55+
Reviews for Sudafed (Pseudoephedrine)
vs. Allegra D (Pseudoephedrine / Fexofenadine)
-22% vs. Allegra D (Pseudoephedrine / Fexofenadine)
-6% vs. Allegra D (Pseudoephedrine / Fexofenadine)
Side effects More Allegra D side effects »
We haven’t found good data for Sudafed side effects.
FDA side effect reports for Sudafed » Risk factors for serious side effects › Taking with alcohol › Taking other medicines that make you less alert › History of high blood pressure › History of heart problems › Age 65 or older › Women of childbearing age Detailed Allegra D (Pseudoephedrine / Fexofenadine) risks & warnings » › History of high blood pressure › History of heart problems › Age 65 years or older › Women of childbearing age Detailed Sudafed (Pseudoephedrine) risks & warnings » Pregnancy category C FDA 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 N FDA 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 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. › It can affect the quality of your sleep, so you can't take it too close to going to bed.
Weight No specific weight-related info. No specific weight-related info. Upsides and benefits › 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. › One of the best over-the-counter options to clear stuffy nose and help you breathe better. › Clears nasal congestion better than other decongestants like phenylephrine. › Can be helpful in relieving congestion-related headaches and pressure in your ears. › Available in regular and extended release forms. Downsides and risks › 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. › Pseudoephedrine (a decongestant) can make your heart race or make you feel anxious and restless. › It can affect the quality of your sleep, so you can't take it too close to going to bed. › Can raise blood pressure so check with your doctor before using it if you have high blood pressure or other heart conditions. › Sudafed (Pseudoephedrine) isn't as effective after using it for more than 4 days straight. › Need to show a photo ID to buy it in the drugstore and there is a limit on how much you can buy each visit. Tips from our pharmacists for people taking the medication › 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. › You need to show an ID to buy Sudafed (Pseudoephedrine) in the drugstore because it contains pseudoephedrine. › Follow age-specific dosing instructions on how much to take. Don't take more than recommended on the package. › Don't take Sudafed (Pseudoephedrine) too close to bedtime since it can keep you awake. › Can cause an irregular or fast heartbeat, and can raise your blood pressure. › Talk to your doctor if your symptoms don't get better in 1 week. Learn more More about Allegra D Side effects Reviews & ratings Alternatives FDA package insert More about Sudafed Side effects Reviews & ratings Alternatives FDA package insert