The spray bottle may need to be primed the first few times it is used.
Some antihistamine nasal sprays will direct the user to shake the bottle before priming or use, so follow the directions for it.
If you want to learn about antihistamine brands, click here Antihistamine Brands.
Before second generation antihistamines were developed, though, there were first generation antihistamines.
Click here to learn more about Second Generation Antihistamines.
Antihistamine tablets are used many times instead of liquid, pills and capsules, each of which has benefits and drawbacks. Sometimes, the medicinal compound won’t compress into pill form.
Liquid antihistamine comes as an oral medication, throat spray, nasal spray and eye drops.