CYTOSAR-U vs TOLAK

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. CYTOSAR-U and TOLAK 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	CYTOSAR-U	TOLAK
Rating	56/100	72/100
Pharmacy pays	—	$0.61 /mL
Type	RX	RX
Active ingredient	CYTARABINE	FLUOROURACIL
Manufacturer	Teva	Hill Dermaceuticals
Dosage forms	Injectable	Topical
Drug class	Nucleoside Metabolic Inhibitor	Nucleoside Metabolic Inhibitor
Boxed warning	None	None
Treats	Leukemia, Lymphoma, Meningeal Neoplasms	Breast Neoplasms, Basal Cell Carcinoma, Colonic Neoplasms

cytosar-u tolak

Rating

56/100

72/100

Pharmacy pays

—

$0.61 /mL

Type

Active ingredient

CYTARABINE

FLUOROURACIL

Manufacturer

Teva

Hill Dermaceuticals

Dosage forms

Injectable

Topical

Drug class

Nucleoside Metabolic Inhibitor

Boxed warning

None

Treats

Leukemia, Lymphoma, Meningeal Neoplasms

Breast Neoplasms, Basal Cell Carcinoma, Colonic Neoplasms

Frequently asked questions

Which is better-rated, Cytosar-U or Tolak?

By our independent rating, Tolak scores higher — 3.6 vs 2.8 out of 5 for Cytosar-U. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Cytosar-U and Tolak?

Cytosar-U contains Cytarabine, while Tolak contains Fluorouracil — 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.