BENADRYL vs BENYLIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	BENADRYL	BENYLIN
Rating	New	New
Pharmacy pays	$0.04 /mL	$0.04 /mL
Type	RX	RX
Active ingredient	DIPHENHYDRAMINE HYDROCHLORIDE	DIPHENHYDRAMINE HYDROCHLORIDE
Manufacturer	Mcneil Cons	Parke Davis
Dosage forms	Tablet, Kit	Syrup, Solution
Drug class	Histamine-1 Receptor Antagonist	Histamine-1 Receptor Antagonist
Boxed warning	None	None
Treats	Anxiety Disorders, Sleep Initiation and Maintenance Disorders, Motion Sickness	Anxiety Disorders, Sleep Initiation and Maintenance Disorders, Motion Sickness

benadryl benylin

Rating

New

Pharmacy pays

$0.04 /mL

Type

Active ingredient

DIPHENHYDRAMINE HYDROCHLORIDE

Manufacturer

Mcneil Cons

Parke Davis

Dosage forms

Tablet, Kit

Syrup, Solution

Drug class

Histamine-1 Receptor Antagonist

Boxed warning

None

Treats

Anxiety Disorders, Sleep Initiation and Maintenance Disorders, Motion Sickness

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Frequently asked questions

Which is cheaper, Benadryl or Benylin?

Pharmacies pay about the same to acquire either one — roughly $0.04 per ml, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Benadryl and Benylin?

Both Benadryl and Benylin share the active ingredient Diphenhydramine Hydrochloride.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.