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by Dr. Marc Goldstein, MD, Curist Allergy Advisor 

Curist delivers FDA-approved medicines to your door at half the price of big pharma brands. We hope everyone stays safe and healthy during this time.

Allergy symptoms and sleep don’t always make the best of bunkmates.  The unruly combination can happen in two ways. Either by robbing your nights of sleep, or filling your days with drowsiness -- or both at once -- allergy season can make you feel like a zombie, or in the worst cases, put you in harm’s way. 

Sniffling Instead of Snoozing: Why Allergies Won’t Let You Sleep 

It can be very difficult to fall asleep when a person is in constant discomfort. Many symptoms of allergic reactions to pollen, dust spores, or animal dander can intensely affect the respiratory system.  Try relaxing or sleeping with congested nasal passages that make breathing harder. 

Other common allergic symptoms may be worsened while laying down to sleep. Post-nasal drip irritates the back of the throat.  Itchy eyes can be aggravated by even a mildly dusty pillowcase (which is a notorious shelter for pollen and any other particles your hair collects throughout the day). 

Allergy Fatigue: Sick, Tired and Drowsy From Allergies

On top of the exhaustion that results from compromised sleep, allergy symptoms themselves can cause fatigue and drowsiness. Indeed, fighting a foreign body takes it out of you.  And remember, allergens are merely substances that your body deems harmful. In other words, if allergy season fills your life with sleepy, zombie-like days it’s not just your imagination.  

Drowsiness can easily degrade a person’s feeling of overall wellness or affect their work and relationships, but what happens when the drowsiness goes beyond discomfort?   Getting behind the wheel of a car while drowsy can be extremely dangerous when sleepiness starts to impair a person’s driving ability.  

Studies have shown that allergies and drowsiness negatively affect a person’s reflex time, their decisions, and their motor skills.  In the worst cases, it has caused drivers to momentarily fall asleep or get into accidents. 

Allergy Antihistamines: Non Drowsy Benadryl?

For years, the problem of allergy-onset drowsiness grew even worse because the “first generation” of allergy medicine caused even more drowsiness as a side-effect.  In fact, the active ingredient in Benadryl, for example, is the same one found in many sleep pills. So unfortunately, there is no “non drowsy Benadryl,” per se. 

But fortunately, people can rest easy.  Today there are newer options. Second generation antihistamines are designed to reduce drowsiness, while treating allergy symptoms.  There are also a number of other treatment options available to allergy sufferers. The list includes nasal sprays, eye drops, and sinus rinses, none of which cause drowsiness. 

The Difference Between Night and Day Allergy Meds  

Choosing the right treatment may depend when symptoms are worst.  Perhaps a first generation allergy antihistamine could offer relief at night, while a second-generation non-drowsy treatment is best for daytime relief.  

The important thing is to look at the side effects of each medicine.  For your convenience, here is a table of non-drowsy vs drowsy treatments.  

Whichever treatment you decide is right for you, be sure to carefully read the labels and warnings.  Some medicines require you to avoid other drugs or substances that may interact. 

Drowsiness Comparison: Allegra vs Claritin vs Xyzal vs Zyrtec vs Benadryl

Non-Drowsy Antihistamines

May Cause Drowsiness

Expect Drowsiness

  • Diphenhydramine (brand Benadryl)

    Curist Non-Drowsy Allergy Products

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    Curist Non-Drowsy Allergy Products

    This content is for informational use only and does not replace professional medical advice, diagnosis or treatment. It is not a substitute for and should not be relied upon for specific medical recommendations. Please talk with your doctor about any questions or concerns.