The Independent Pharmacy

What Is The Best Time To Take Hayfever Tablets?

Andy Boysan
Andy BoysanBPharmDirector & Superintendent Pharmacist

Reviewed on 17 Apr 2024

If you struggle with hay fever, you know how miserable those sneezing, itchy, runny-nosed symptoms can be. In our years of experience, we’ve helped countless patients find relief from hay fever. And one of the most common questions we get is: “When’s the best time to take my hay fever tablets?”

The simple answer is: the morning. Taking your hay fever medication first thing gives it time to start working before pollen levels peak later in the day. However, an evening dose may work better for some people, especially those with nighttime flare-ups.

No matter when you take it, timing your allergy pills correctly is key to managing hay fever symptoms all day (or all night) long.

By understanding how hay fever works and getting the timing right, you can help stop those miserable allergy symptoms before they even start. Let’s dive in!

Key Takeaways

  • Timing your hay fever medication correctly is crucial for preventing miserable allergy symptoms before they start.
  • For most people, taking antihistamines first thing in the morning allows them to get ahead of pollen peaks for all-day relief.
  • However, evening dosing may be better if you experience worse hay fever symptoms overnight that impact sleep quality.
  • Pay close attention to your body’s unique patterns and adjust dosing schedules as pollen seasons change for consistent control.

The Best Time to Take Hayfever Tablets

As a general rule, most experts recommend taking your daily hay fever pill first thing in the morning. Here’s why:

Pollen is often at its highest levels in the early morning because plants release it during the night. The amount of pollen can also go up in the afternoon when the air moves more. By taking your antihistamine bright and early, you’re getting ahead of peak pollen times and allowing the medicine to start relieving symptoms before they flare up.

Morning dosing also provides all-day symptom control. Most hay fever tablets like Clarityn (Loratadine) are long-acting and can keep allergic reactions at bay for 24 hours with just one daily dose if timed right.

However, the “morning is best” guidance doesn’t apply to everyone equally. Those who experience worse hay fever at night may find greater relief from an evening dose instead. This allows the medication to reach its peak effects overnight when you need it most.

So, while mornings work well for most hay fever sufferers, feel free to experiment and see what dosing schedule controls your unique symptoms best.

Best Times to Take Your Hayfever Medicine

Taking Medicine in the Morning

If you feel like your hay fever acts up more during spring and summer days, taking your antihistamine in the morning is likely ideal. Here are some top reasons why:

  • You can get ahead of pesky pollen. Trees, weeds, and grass start releasing pollen very early, so a morning dose neutralises histamine before it builds up in your body.
  • It provides long-lasting daytime relief. Most over-the-counter allergy pills are formulated to last 24 hours, making morning the perfect time for all-day coverage.
  • You avoid grogginess during the day. While some antihistamines can cause drowsiness, any fatigue typically wears off by the time you take your morning dose.
  • It protects you during outdoor activities. For those energetic weekend hikes or after-work walks, having your medicine on board is clutch.

The key is taking your allergy pill consistently at the same time each morning before you’re exposed to allergens. Set a recurring alarm if needed so you never miss a dose!

But what if you're going on a well-deserved holiday? Read our guide on dealing with hay fever when you're planning to travel!

Taking Medicine in the Evening

While mornings may be ideal for most, there are some cases where taking your hay fever tablet before bed provides better relief:

  • Your symptoms worsen at night. An evening dose can get you through restless nights if you tend to feel stuffier, sneezier, and more congested in the evenings.
  • Your medication causes daytime drowsiness. Some antihistamines like Benadryl (with active ingredient diphenhydramine) can make you tired, so taking them at night when sleepiness doesn’t disrupt your routine can help.
  • You have asthma. Many people with hay fever also experience asthma flare-ups. An evening dose can stabilise both conditions overnight when airways tend to be more reactive.

The downside of evening dosing is that your medication may wear off during midday pollen peak times if it’s not a 24-hour formula. Pay close attention to your symptoms and adjust dosing times as needed for consistent control.

Why Timing Matters for Your Hayfever Medicine

How Pollen Affects You

To understand why timing is crucial for hay fever relief, it helps to know a little about how pollen works its misery. Simply put, pollen contains proteins that trigger your body’s release of histamine—a chemical that causes swelling, inflammation, and all those signature runny, itchy, sneezy symptoms.

Different pollen sources like trees, grasses, and weeds release these allergens at different times of day and year based on the type of plant and the weather. That’s why timing your medication becomes so important. You want the antihistamine working hard to block that histamine response before pollen has a chance to make you miserable.

For instance, during the grass pollen season, which typically peaks in late spring and early summer, pollen levels climb very early in the morning after overnight release. This means taking your allergy med first thing can neutralise your body’s reaction before you feel it full force later.

Different Hayfever Pills Work Best at Different Times

Not all hay fever medicines are created equal in the timing department either. Some formulations purposely release medication faster or slower based on when you’re most likely to need relief.

Non-drowsy antihistamines like Zirtek (Cetirizine) or Clarityn (Loratadine) work best in the morning since their long-acting formula can prevent symptoms all day on just one dose. Short-acting ones like Benadryl may require a morning and evening dose to cover you around the clock without drug overlap.

Zirtek Allergy Tablets
Zirtek Allergy Tablets
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Decongestants, such as Sudafed, quickly help with a stuffy nose and pressure in your sinuses. It's best to take them in the morning because that's when there's a lot of pollen in the air, which can make your symptoms worse. This way, you don't wait until you feel too congested.

Sudafed Decongestant Tablets
Sudafed Decongestant Tablets
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When looking for hay fever treatments, you might also hear about Desloratadine. But how does it compare to Loratadine (Clarityn)? Read our guide to find out more!

No matter which specific medication you take, sticking to a consistent schedule matched to its maximum effects is key to optimal control of your unique hay fever patterns.

Making Your Medicine Schedule Work for You

Fitting Medicine Time Into Your Day

We get it - remembering to take daily medication can be tough when life gets hectic! Missed doses can set you back. We know it's tough, but consistency is your ally in this fight.

A few tricks can help you seamlessly integrate allergy treatment into even the busiest routine:

Set recurring alarms or app reminders to help pill time become second nature. If mornings are chaotic, place your medication next to something you use daily, like your toothbrush, as a visual cue. Or link it to an existing habit - take your allergy pill right after that first morning cup of coffee.

For dose timing on the go, setting a watch alarm to coincide with mealtimes is an easy way to remember. Or keep a day’s supply in a weekly pill case you can slip in your bag so you’re never caught without relief.

The bottom line? Find what system works best for your lifestyle and lean into those patterns. Developing habits and routines will turn staying on schedule into auto-pilot before you know it.

Changing Medicine Time With the Seasons

While taking your allergy medication at the same time each day is ideal, you may need to adjust that schedule slightly as pollen seasons shift throughout the year.

For example, tree pollen peaks earliest, usually mid-spring. So, taking your medication a little earlier in the morning during these months could provide better protection against those tree allergens.

As we move into late spring and early summer, grass pollens ramp up towards their peak. Keeping your dosing time steady in the early morning hours will now cover you for this new seasonal trigger.

By late summer into autumn, weed pollen becomes the biggest culprit. Dosing may be able to shift slightly later if your main triggers are ragweed and other late bloomers.

Of course, everyone’s hay fever patterns are unique. The key is paying attention to when your specific symptoms flare up the most within each season and then calibrating your dosing time to get ahead of those high pollen periods.

Tips to Keep Up With Your Medicine Schedule

Using Technology to Remember

In our modern age, we’ve got tons of tech tools that can make sticking to your allergy med schedule a total breeze:

Smartphone apps and smart speakers allow you to set recurring reminders and calendar alerts with custom labels like “Take Allergy Meds” so you never forget. Smart pill bottles can even track doses taken and nudge you when it’s time for the next!

Wearable fitness trackers often include medication tracking, too. Or you can use the notes app to log each day’s dose, creating a visual record to stay accountable.

Beyond simple reminders, more advanced apps and software may detect pollen levels and sources for your area and then push custom dosing recommendations based on your allergen triggers.

However, if you integrate tech into your daily routine, leveraging these tools keeps your treatment at the top of your mind no matter where life takes you.

Talking to a Doctor

Still feeling down despite your medication? It might be time for a chat with your doctor. Help is just a conversation away.

They can evaluate whether you need an adjusted dosage or different hay fever medication or are experiencing side effects. No need to suffer in silence. Reaching out for help can bring you relief.

Be prepared to discuss your current routine in detail:

  • What medication(s) you take and dosage amounts
  • What times you’ve been taking them
  • When your symptoms tend to start and peak
  • Any other remedies or medications you use
  • Pollen sources and your suspected triggers

With this info, your healthcare provider can get to the root of why your treatment isn’t working optimally and prescribe the right tweaks. Don’t be afraid to advocate for yourself - finding hay fever relief is a team effort!

Take the Next Step With The Independent Pharmacy

If you’re still struggling to control your hay fever symptoms, it may be time to seek professional guidance. That’s where the team at The Independent Pharmacy comes in!

We understand how debilitating seasonal allergies can be. But there’s no need to keep suffering when straightforward solutions could be just around the corner. Our first step is to have you complete a simple online self-assessment about your unique hay fever experience.

This allows us to gather key details like:

  • Specifics on your symptoms and their timing/severity
  • Allergen triggers you suspect may be causing issues
  • Current medications or remedies you’ve tried
  • Any other relevant health information

Once we’ve reviewed your assessment, one of our certified pharmacy professionals will reach out with personalised recommendations on treatment approaches to explore. We’ll suggest specific over-the-counter or prescription hay fever medications, dosages, and dosing schedules calibrated to your needs.

From there, we can have your tailored regimen ready for easy delivery straight to your door. Our team is also always available to adjust recommendations as needed until we manage your allergies.

Don't face another tough season alone. We're here to help you find your way to better days. The Independent Pharmacy is here to walk alongside you on the path to clean breathing and itch-free living.

Visit our website or get in touch with our team today to find relief for your hay fever.


Is it better to take antihistamines at night or in the morning?

For most people, taking antihistamines in the morning works best to prevent hay fever all day since pollen peaks then. But evening dosing can provide overnight relief for night-time flare-ups.

When is the best time to start taking hay fever tablets?

It’s ideal to start medication before pollen season arrives, allowing it to build up prevention in your system. Getting ahead of seasonal allergies reduces overall severity.

Can I take a hay fever tablet before bed?

Yes, many find taking their antihistamine right before bed helps them sleep through hay fever’s worst overnight symptoms. Just be aware some may cause next-day drowsiness.

Is it okay to take 2 hay fever tablets a day?

It depends on the specific medication. Some short-acting ones require twice-daily dosing, while long-acting versions are dosed just once per 24 hours. Check with your pharmacist.

What should you not mix with antihistamines?

Antihistamines can cause increased drowsiness when taken with alcohol or other sedating medications. Some may interact with certain antidepressants, too, so disclose your full med list.


NHS (2023). Antihistamines -

Jay Summer, Dr. Anis Rehman (2023). Does Benadryl Make You Sleepy? -

Rachel N. McInnes, Deborah Hemming, Peter Burgess, Donna Lyndsay, Nicholas J. Osborne, Carsten Ambelas Skjøth, Sam Thomas, and Sotiris Vardoulakisi (2017). Mapping allergenic pollen vegetation in UK to study environmental exposure and human health -

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