The most effective over-the-counter options for spring allergies are nasal corticosteroid sprays and second-generation antihistamine pills, either alone or together. Starting them about two weeks before your symptoms normally kick in makes a real difference, because the medications can block your body’s allergic response before it ramps up. If you’ve already missed that window, they still work, just not quite as well on that first wave of congestion and sneezing.
Nasal Corticosteroid Sprays
Nasal steroid sprays are the single most effective treatment for the full range of spring allergy symptoms: congestion, sneezing, runny nose, and even itchy eyes. They work by reducing inflammation directly in the nasal tissue, targeting the immune response right where pollen triggers it. Common options include fluticasone (Flonase) and triamcinolone (Nasacort), both available without a prescription.
These sprays need consistency to work well. You won’t feel dramatic relief after one dose the way you might with a decongestant. Most people notice meaningful improvement after a few days of daily use, and full benefit builds over one to two weeks. That’s why allergists recommend starting them before pollen season hits rather than waiting until you’re already miserable. Use them once or twice a day as directed on the label and keep going through the season.
Antihistamine Pills
Second-generation antihistamines are the go-to pills for spring allergies. The three you’ll see on shelves are cetirizine (Zyrtec), fexofenadine (Allegra), and loratadine (Claritin). All three provide 24-hour symptom control with a single daily dose, but they differ in two ways that matter: how fast they start working and how drowsy they make you.
Cetirizine and fexofenadine both kick in within an hour. Loratadine takes longer. On the sedation side, fexofenadine causes no drowsiness even at higher-than-recommended doses, making it the best choice if staying alert is a priority. Loratadine is also non-sedating at standard doses but can cause drowsiness if you take more than directed. Cetirizine is the most likely of the three to make you sleepy, even at the normal dose.
If your main complaints are sneezing, itching, and a runny nose, an antihistamine alone may be enough. For significant congestion, pairing a daily antihistamine with a nasal corticosteroid spray usually works better than either one alone.
Eye Drops for Itchy Eyes
Itchy, watery eyes don’t always respond well to oral antihistamines. If that’s a major symptom for you, antihistamine eye drops target the problem directly. Olopatadine (Pataday) is available over the counter and requires just one drop per affected eye, once a day. Ketotifen (Zaditor) is another OTC option, typically used twice daily. Both block histamine at the surface of the eye and tend to work within minutes.
Nasal Saline Rinses
Rinsing your nasal passages with saline isn’t a medication, but it’s one of the most practical things you can do during allergy season. A large-volume, low-pressure rinse (using a squeeze bottle or neti pot) physically flushes pollen, mucus, and inflammatory particles out of your nose. Research shows this approach distributes the solution more thoroughly and cleans more effectively than small-volume saline sprays.
Isotonic saline works fine, but solutions with a composition closer to seawater, containing bicarbonates, potassium, calcium, and magnesium, may offer extra benefits. Bicarbonates thin out mucus, while the mineral content supports healing and helps reduce local inflammation. You can buy pre-mixed packets or make your own with distilled or boiled water and non-iodized salt. Rinsing once or twice a day, especially after spending time outdoors, removes allergens before they trigger a prolonged response.
Decongestant Sprays: A Three-Day Limit
Oxymetazoline (Afrin) and phenylephrine nasal sprays can open a badly stuffed nose almost instantly. They’re tempting during peak pollen days, but they carry a real risk: after about three days of use, they start causing the very congestion they’re meant to relieve. This rebound effect, called rhinitis medicamentosa, can leave you more blocked up than before and create a cycle of dependence on the spray. Use them only as a short bridge, no more than three consecutive days, while your other medications build up.
Oral decongestant pills (pseudoephedrine, phenylephrine) don’t cause rebound congestion but can raise blood pressure and cause jitteriness. They’re better suited as occasional relief, not daily allergy management.
Timing Makes a Difference
Allergy medications work best when they get ahead of the immune response rather than chasing it. The American College of Allergy, Asthma & Immunology recommends starting your allergy medications about two weeks before symptoms normally appear. For most of the U.S., that means beginning nasal steroids and daily antihistamines in late February or early March for tree pollen season. When you start early, the medication prevents your body from releasing histamine and other inflammatory chemicals in the first place, so symptoms either never develop or stay mild.
Allergy Immunotherapy Tablets
If you’ve tried the standard medications and still struggle every spring, sublingual immunotherapy tablets are worth discussing with an allergist. These are prescription tablets you dissolve under your tongue daily. They work by gradually retraining your immune system to tolerate specific pollens.
Several FDA-approved options exist for ages 5 through 65. Grass pollen tablets (Grastek covers timothy grass; Oralair covers a broader mix of six grass species) need to be started 12 weeks to 4 months before grass season begins. A ragweed-specific tablet (Ragwitek) follows a similar timeline. You take the first dose in your allergist’s office for safety monitoring, then continue daily at home. These tablets carry a boxed warning about the potential for severe allergic reactions, so they’re not a casual over-the-counter pickup, but for people with persistent symptoms, they offer long-term relief that goes beyond what daily pills and sprays can achieve. Traditional allergy shots remain another immunotherapy option, though they require regular office visits.
Choosing the Right Combination for Kids
Most second-generation antihistamines are approved for young children, but age cutoffs and dosing differ. Cetirizine (Zyrtec) is approved from 6 months of age, making it the earliest option. Loratadine (Claritin) can be used starting at age 2. Both come in liquid and chewable forms with age-based dosing: children 2 to 5 typically get a 5 mg dose, while kids 6 and older can take 10 mg daily.
First-generation antihistamines like diphenhydramine (Benadryl) are dosed by weight rather than age and cause significant drowsiness. They’re not ideal for daily spring allergy use in children since the newer options work just as well without the sedation. Nasal saline rinses are safe at any age, and nasal steroid sprays are generally appropriate for children over 2, though checking the specific product label is important since approved ages vary.