This Is the No. 1 Mistake You’re Making with Your Allergy Meds—And It’s Actually Making Your Sniffles Worse!
Every spring starts the same way: one tiny sniffle, followed by a sneeze attack so aggressive, it feels like your body is trying to launch the pollen you’ve inhaled back into the atmosphere. Then come the itchy eyes, the inability to suck air through one and then both nostrils, and the tissues stuffed into every pocket and bag you own. Sound familiar? You’re not alone.
More than 80 million Americans suffer from seasonal allergies, also known as allergic rhinitis or hay fever. “This time of year, the biggest culprits are usually tree and grass pollens,” says An Huynh, MD, an allergist and clinical immunologist at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. They trigger inflammation in the eyes and nose and activate allergic antibodies in the immune system. “The next time these antibodies come in contact with pollen,” he adds, “they can cause allergic cells to break open and release chemicals that can cause sneezing, sniffles and watery eyes.”
Ironically, those annoying symptoms are actually part of your body’s attempt to protect you by flushing allergens back out. You already know the advice: Don’t wait until symptoms hit; get ahead of the pollen and start taking your allergy medication before allergy season begins. Maybe you even listened this year and started your meds weeks ago—yet somehow, you’re still miserable, wondering how you can possibly be this congested while actively medicated.
We spoke to Dr. Huynh and two other allergists, and they all agreed: One surprisingly common mistake may be preventing you from getting real relief. In some cases, it can even make symptoms worse. Keep reading to discover what you may be doing wrong and the easy fix that will have you breathing easy in no time.
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What is the No. 1 mistake people make with their allergy meds?
“‘Snorting’ nasal sprays,” says Julia L. Montejo, MD, a board-certified allergist and immunologist at Parkview Health in Warsaw, Indiana. Now, the problem is not the sprays themselves (more on which ones are best coming up)—it’s the way you’re using them. The natural instinct is to point the nose spray directly up the nose, explains Dr. Huynh, “but then the medicine is not going where it needs to go.”
It’s also a problem if you aim the nozzle toward your septum, or the middle of the nose, adds Meagan W. Shepherd, MD, a board-certified allergist and immunologist in Barboursville, West Virginia. That can send the medicine into your throat instead of toward the inflamed tissue the medication is meant to treat. Dr. Montejo says, “If you immediately tasted it, you wasted it.”
The mistake is incredibly common because most people are never taught how to use nose sprays correctly by their health-care providers and are unfamiliar with where the medication is actually supposed to go, says Dr. Shepherd.
Why is this a problem?
“If the medication isn’t used correctly, many people will then say the medicine doesn’t work, and then they stop using it,” Dr. Huynh explains. “However, these nose sprays, specifically steroid and antihistamine nasal sprays, are first-line medications for managing seasonal allergies and can be even more effective than an oral allergy pill.”
Besides not giving you the relief you need, using the spray incorrectly can actually make you feel even worse. “If medication repeatedly hits the septum, it’s more likely to irritate delicate blood vessels, increasing the risk of nosebleeds while also making the medicine less effective against congestion and drainage,” notes Dr. Shepherd.
What’s the right way to use a nasal spray?
All the allergists we spoke to recommend a similar technique to help medication reach the right spot. They call it “nose to toes.”
Step 1: When using nasal sprays, bend your head forward slightly so you’re looking at your toes.
Step 2: Using the opposite hand for each nostril—for example, holding the bottle in your left hand to spray your right nostril, and vice versa—angle the nose spray nozzle away from the middle of your nose toward the inside corner of your eye.
Step 3: Inhale normally while doing this—don’t sniff or snort. Sniffing too aggressively can send the medication down your throat instead of allowing it to settle on the inflamed nasal tissue, where it’s needed most.
Other allergy-medication mistakes that can backfire
Using nasal sprays incorrectly isn’t the only mistake allergists see during allergy season. Here are some other common mistakes to avoid.
Using one particular nasal spray
Dr. Huynh warns against relying too heavily on oxymetazoline nasal sprays, commonly known as Afrin. “This is a decongestant that can decrease nasal swelling very quickly, but it does not treat the underlying cause of the allergies,” he says. “Plus, it can cause rebound congestion when stopped, leading to an ‘addictive’ effect with prolonged use (more than three days).”
A surprisingly helpful tool? Saline rinses. Using nasal saline in a spray or an irrigation method such as a neti pot or rinse bottle are terrific non-medicated therapies to help wash out pollen, mucus and other irritants, Dr. Huynh says.
Taking Benadryl
“It’s an inexpensive over-the-counter antihistamine that may be effective to a degree,” says Dr. Montejo. “But Benadryl only lasts four to six hours, and its common side effects include sedation/fatigue and dry mouth, which limit its usefulness.” Having seasonal allergies alone can cause a significant amount of fatigue for several reasons, she explains. “Your immune system works overtime, releasing histamines and cytokines that trigger inflammation, disrupt sleep and drain your energy.”
Add to that taking an oral antihistamine, which may make you drowsy during the day. “Nasal congestion and postnasal drainage at night cause poor-quality sleep, resulting in daytime fatigue,” Dr. Montejo says. Dr. Huynh prefers newer nondrowsy options such as cetirizine (Zyrtec), fexofenadine (Allegra) and levocetirizine (Xyzal).
Incorrectly using inhalers
According to Dr. Shepherd, many people also misuse their inhalers. These MDIs (metered-dose inhalers) are the classic handheld “puffer” inhaler that sprays a quick burst of medication for asthma or allergy-related breathing symptoms.
They should always be used with a spacer device, a lightweight plastic tube that attaches to the inhaler on one end and has a mouthpiece on the other. Instead of the medication shooting straight into the back of your throat, the spacer briefly holds the medicine in the chamber so you can inhale it more slowly and deeply into the lungs, where it’s actually needed.
But many people skip the spacer and spray the medication directly into their mouth. That means less medication reaches the airways—and more ends up stuck in the mouth and throat, which can increase irritation and side effects. To use one, attach the inhaler to the spacer, press the inhaler once to release the medication into the chamber, then place your mouth tightly around the mouthpiece and inhale slowly and deeply.
The best strategy for allergy relief
For long-term relief, our experts point to allergen immunotherapy, commonly known as allergy shots. Rather than simply masking symptoms, allergy shots gradually train the immune system to tolerate allergens over time. “When done properly, you essentially teach your body to recognize allergens in a safe, noninflammatory way,” Dr. Shepherd says.
And while it won’t help much this week, allergists agree that allergy medications work best when started before symptoms ramp up. Ideally, treatment should begin about two to four weeks before allergy season starts.
If over-the-counter medications aren’t helping, your symptoms are interfering with daily life or you want more targeted treatment, doctors recommend seeing a board-certified allergist for testing and a personalized treatment plan.
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Sources:
- An Huynh, MD, allergist and clinical immunologist at Dartmouth Hitchcock Medical Center; email interview, May 21, 2026
- Meagan W. Shepherd, MD, board-certified allergist and immunologist; email interview, May 21, 2026
- Julia L. Montejo, MD, board-certified allergist and immunologist at Parkview Health; email interview, May 21, 2026
- Allergy & Asthma Network: “Allergy Statistics in the U.S.”
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