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Contact us

For general product information, including how to order CYANOKIT, please call 1-800-638-8093 or complete our registration form.

Adverse Event or Product Quality Complaints
If you wish to report an adverse event or product quality complaint, please call 1-800-438-1985.

For medical questions concerning Meridian products, to report an adverse event, or to speak to a member of Pfizer US Medical Information, please call 18004381985.

You are encouraged to report side effects of prescription drugs to the FDA.
Visit or call 1-800-FDA-1088.

Medical Information
If you have a medical question concerning Meridian products, please call 1-800-438-1985.
US HCPs can visit

Corporate headquarters

Meridian Medical Technologies, Inc.
A Pfizer company
6350 Stevens Forest Road, Suite #301
Columbia, MD 21046
Phone: 1-800-638-8093 or 1-443-259-7800