Contents
Is cetirizine hydrochloride an antihistamine?
Cetirizine is an antihistamine medicine that helps the symptoms of allergies. It’s used to treat: hay fever. conjunctivitis (red, itchy eye)
Can I take a Zyrtec and a Benadryl at the same time?
Allergy medications can be taken by mouth or applied to specific areas, such as the eyes or nose. Oral antihistamines, such as diphenhydramine (Benadryl) and cetirizine (Zyrtec), should never be taken together, as this can lead to dangerous complications.
Is 75 mg of Benadryl too much?
For adults and teens, the diphenhydramine dosage is 25 to 50 mg every 4 to 6 hours. The maximum amount you should take in one day is 300 mg. Keep in mind, taking higher doses can increase the risk of side effects, including drowsiness.
Which is the active ingredient in Benadryl HCl?
1) Diphenhydramine HCl: Diphenhydramine is the one and only active ingredient in Benadryl, and it works by blocking the action of histamine, a substance in the body that causes allergy symptoms, like redness, irritation, itchiness and sneezing, among other things.
How much diphenhydramine is in parenteral Benadryl?
Benadryl in the parenteral form is a sterile, pyrogen-free solution available in a concentration of 50 mg of diphenhydramine hydrochloride per mL. The solutions for parenteral use have been adjusted to a pH between 5.0 and 6.0 with either sodium hydroxide or hydrochloric acid.
What is the NDC code for Benadryl 25MG?
NDC 50580-226-51 – Benadryl – ® ALLERGY – Diphenhydramine HCl 25mg | Antihistamine – ✓ Sneezing – ✓ Runny Nose – ✓ Itchy, Watery Eyes – View Labeling Archives , RxNorm , Get Label RSS Feed , View NDC Code (s) NEW!
What is the chemical formula for Benadryl injection?
Benadryl Injection Description. Benadryl (diphenhydramine hydrochloride) is an antihistamine drug having the chemical name 2-(Diphenylmethoxy)-N,N-dimethylethylamine hydrochloride. It occurs as a white, crystalline powder, is freely soluble in water and alcohol and has a molecular weight of 291.82. The molecular formula is C 17 H 21 NO • HCl.