Can you take fexofenadine and loratadine together? - HealthTap Yes: If there is sever itching then you may need to take both but i would space them out so fexofenadine would be used in the am and Loratadine at night Even better - substitute ceterizine instead of loratadine
Can i take allegra and benadryl (diphenhydramine) together? Yes, but why: Allegra (fexofenadine) and Benadryl (diphenhydramine) are both antihistamines Allegra doesn't cross into the brain, so no sedation Benadryl commonly causes sedation Typically there is no advantage to taking the 2 together, but also there is no harm at usual doses
How long does it take allegra (fexofenadine) to leave your system? Antihistamines: The antihistamines Allegra (fexofenadine), Claritin (loratadine), and zyrtec (cetirizine) can last in your body for more than a week Most allergists want these medications discontined for a week before they perform skin testing Some persons are 'slow-metabolizers' and these drugs can be in your system much longer