DIMENHYDRINATE vs KARBINAL ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. DIMENHYDRINATE and KARBINAL ER are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	DIMENHYDRINATE	KARBINAL ER
Rating	70/100	New
Pharmacy pays	—	$0.44 /mL
Type	RX	RX
Active ingredient	DIMENHYDRINATE	CARBINOXAMINE MALEATE
Manufacturer	Watson Labs	Aytu
Dosage forms	Injectable, Tablet	Suspension, extended release
Drug class	Histamine-1 Receptor Antagonist	Histamine-1 Receptor Antagonist
Boxed warning	None	None
Treats	Motion Sickness, Nausea, Vertigo	Angioedema, Allergic Conjunctivitis, Perennial Allergic Rhinitis

dimenhydrinate karbinal er

Rating

70/100

New

Pharmacy pays

—

$0.44 /mL

Type

Active ingredient

DIMENHYDRINATE

CARBINOXAMINE MALEATE

Manufacturer

Watson Labs

Aytu

Dosage forms

Injectable, Tablet

Suspension, extended release

Drug class

Histamine-1 Receptor Antagonist

Boxed warning

None

Treats

Motion Sickness, Nausea, Vertigo

Angioedema, Allergic Conjunctivitis, Perennial Allergic Rhinitis

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Frequently asked questions

What is the difference between Dimenhydrinate and Karbinal ER?

Dimenhydrinate contains Dimenhydrinate, while Karbinal ER contains Carbinoxamine Maleate — they have different active ingredients.

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.