2018年5月4日 · There isn't necessarily a "best" non-drowsy antihistamine, as individuals often have varying effects to different antihistamines. Nevertheless, when it comes to the treatment of seasonal allergies, your best bet is most likely a choice between the second and third-generation antihistamines, most of which are "non-drowsy".

2017年10月5日 · Most antihistamine medications can be purchased over the counter (OTC), although one that we are going to recommend is by prescription only. To start, let's look at the OTC histamines we recommend. Diphenhydramine , which is the active ingredient in Benadryl, is sold over the counter and helps to provide fast-acting itch relief.

2017年10月28日 · It is also a 24 hours acting antihistamine and is completely non-drowsy. Studies have also shown that it may be the fastest acting antihistamine. It is great choice for those in which Claritin does not work well enough. It unfortunately is the most expensive option however. The Best Second Generation Antihistamine

2017年10月28日 · The only drawback of this medication is that is causes drowsiness in ~5-10% of people and therefore is NOT marketed or labeled as non-drowsy. Fexofenadine (Allegra) - The last of the formally prescription antihistamines to go over the counter. It has the fastest onset of action of the OTC allergy medications and is non-drowsy.

2018年4月8日 · Claritin and Allegra are classified and marketed as "non-drowsy". Zyrtec can cause drowsiness in a small percentage of people and is therefore not classified as non-drowsy. Specifically, studies show that Claritin (loratadine) and Allegra (fexofenadine) have the lowest rates of drowsiness, with it occurring in 2-4% of patients compared to 22% ...

2019年1月2日 · There are products available that contain a sedating antihistamine, such as diphenhydramine, to offset the stimulant effects of oral nasal decongestants. Nasal decongestant sprays are extremely effective, but have their share of side effects and shouldn't be used for more than 2-3 days in a row.

2017年12月5日 · While there are no special formulations of Benadryl that are non-drowsy, there are alternative antihistamines that are less likely to cause drowsiness. Simply put, there is no special formulation of diphenhydramine that won't cause drowsiness. ' Non-drowsy Benadryl' simply refers to an alternative antihistamine that is not diphenhydramine ...

2017年11月4日 · Each of these antihistamines last around 24 hours and are considered non-drowsy with the exception of Zyrtec (~5-10% of people become sedated). Due to these attributes, when treating allergies that you are consistently exposed to (e.g. seasonal allergies), it is recommended to use a second generation antihistamine.

2018年7月31日 · Lastly, if an antihistamine doesn't completely control your symptoms, you should speak to your doctor about the addition of other medications. Multiple studies have shown experiencing better relief of hives when an antihistamine is used in combination with the following: H2 blockers; Leukotriene receptor antagonists

2018年1月12日 · All of the second generation antihistamines last 24 hours per dose and are non-drowsy (with the exception of Zyrtec). While comparative studies generally show no significant difference in efficacy between the drugs, Xyzal does appear to be the most potent and effective medication for allergen induced reactions in the majority of individuals.