Contact Us

Prometheus Laboratories Inc.

9410 Carroll Park Drive
San Diego, CA 92121

Call (888) 423-5227

Billing

Call (888) 892-8391
Fax (858) 535-2191
Email Billing Support

Client Services

Call (888) 423-5227 Opt. # 3
Fax (877) 816-4019
Email Client Services

Medical Information and Adverse Events for ENTOCORT® EC

Call directly (888) 423-5227 Opt. # 5

Medical Information & Adverse Events for:
Helidac®, Imuran®, Ridura®, Trandate®, Zyloprim®, and Mercaptopurine

Call directly (888) 423-5227 Opt. # 6