Best Decongestant for High Blood Pressure, Plus Natural Options

You already know that reaching for a decongestant is one of the quickest ways to breathe easier when a cold or allergies strike. But if you have high blood pressure, certain decongestants could be doing more harm than good. The good news? There are safer, gentler alternatives that can help you feel better without putting your heart at risk. Here, a couple of top docs weigh in on the potential risks certain decongestants pose to your cardiovascular health and the heart-smart alternatives that’ll have you breathing easier in no time.

Why certain decongestants raise blood pressure

When you’re using an oral decongestant or nasal version, what exactly do these meds consist of? Most of them are actually combinations of antihistamines and decongestants, with the exception of plain pseudoephedrine, says William B. White, MD, a cardiologist and Professor Emeritus of Medicine at the University of Connecticut Health Center.

These agents work by activating the sympathetic nervous system (increases in epinephrine and norepinephrine ) which opens up the nasal passages by constricting small blood vessels in the lining of the nasal tissue. “They can raise heart rate and cause some tightening of the blood vessels,” continues Dr. White.

“At typical doses, though, pseudoephedrine mainly affects heart rate rather than acting directly on the arteries. But if the heart rate rises enough—by more than 15 to 20 beats per minute—it can increase the amount of blood the heart pumps, which in turn can increase blood pressure.”

And that’s a problem if you already have high blood pressure, or hypertension.

When you have a cold or sinus infection, which remedies do you usually turn to?

The best decongestant for high blood pressure

“I don’t recommend my patients with hypertension take medications with decongestants such as pseudoephedrine or phenylephrine,” says Sandra J. Taler, MD, a hypertension specialist at the Mayo Clinic in Rochester, MN.

“These drugs are vasoconstrictors, meaning they constrict arteries which can worsen high blood pressure.” What’s more, she says they’re also somewhat habit-forming and generally speaking not ideal options to use.

So what should you do if you’re dealing with nasal congestion and have high blood pressure? Antihistamines on their own don’t raise blood pressure, but they won’t do much to clear a stuffy nose, notes Dr. White. “For that, local nasal decongestants, like oxymetazoline [Afrin], can be a better option. Because they act directly in the nose, they typically don’t affect blood pressure. They can be used once or twice a day for short periods—no more than three to four days—to help with more severe congestion.”

Also smart? “I recommend non-sedating antihistamines such as cetirizine and fexofenadine [Zyrtec and Allegra],” adds Dr. Taler. “I also often recommend Mucinex, which contains guaifenesin to help loosen and drain mucus, or Mucinex DM, which includes dextromethorphan as a cough suppressant.” Or better yet, keep scrolling to see the natural alternatives to relieve congestion that our experts recommend.

Who’s at greater risk for issues with decongestants?

Here, Dr. White highlights three groups who face greater risk of elevated blood pressure readings from these medications:

People with uncontrolled blood pressure
Those with coronary artery disease
People with heart failure or uncontrolled arrhythmias

3 natural alternatives to decongestants if you have high BP

If you prefer to start with gentler, medication-free options, you’re in good company. “These are smart first steps before turning to medication,” advises Dr. White. Here’s what works (without spiking your blood pressure and heart rate):

Neti pot

“I’ve had a lot of patients find success with neti pots,” encourages Dr. White. So have many others: A study in Laryngoscope Investigative Otolaryngology showed that participants who used a neti pot, which gently cleanses the nasal passages and flushes mucus, significantly eased congestion over six months of use.

Humidifier

“I would recommend increasing humidity [levels in your home] using a humidifier with distilled water,” advises Dr. Taler, explaining that this simple step helps loosen nasal secretions and ease congestion. She also suggests drinking plenty of fluids to keep secretions loose and easier to clear.

Saline nasal spray

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Dr. Taler likes how soothing the combination of water and salt in these sprays can be, calming inflamed nasal passages and helping flush irritants. In fact, a study in JAMA Otolaryngology-Head & Neck Surgery showed that saline nasal sprays markedly improved chronic congestion.

The bottom line on decongestants and high blood pressure

Dealing with congestion when you have high blood pressure doesn’t mean you have to suffer. By choosing safer alternatives, whether it’s an antihistamine, a neti pot, saline spray or a humidifier, you can breathe easier while protecting your heart, arteries and brain.

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This content is not a substitute for professional medical advice or diagnosis. Always consult your physician before pursuing any treatment plan.

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