PROCOMP vs VONTROL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 25, 2026·How we rate

Possible drug interaction. PROCOMP and VONTROL 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	PROCOMP	VONTROL
Rating	70/100	70/100
Pharmacy pays	~$5.06 /30	—
Type	RX	RX
Active ingredient	PROCHLORPERAZINE MALEATE	DIPHENIDOL HYDROCHLORIDE
Manufacturer	Jubilant Cadista	Glaxosmithkline
Dosage forms	Tablet	Tablet
Drug class	Phenothiazine	—
Boxed warning	None	None
Treats	Anxiety Disorders, Dementia, Nausea	Nausea, Vertigo, Vomiting

procomp vontrol

Rating

70/100

Pharmacy pays

~$5.06 /30

—

Type

Active ingredient

PROCHLORPERAZINE MALEATE

DIPHENIDOL HYDROCHLORIDE

Manufacturer

Jubilant Cadista

Glaxosmithkline

Dosage forms

Tablet

Drug class

Phenothiazine

—

Boxed warning

None

Treats

Anxiety Disorders, Dementia, Nausea

Nausea, Vertigo, Vomiting

Frequently asked questions

Which is better-rated, Procomp or Vontrol?

Procomp and Vontrol are tied at 3.5 out of 5 by our independent rating.

What is the difference between Procomp and Vontrol?

Procomp contains Prochlorperazine Maleate, while Vontrol contains Diphenidol Hydrochloride — 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.