Please feel free to contact us with your questions and comments in any of the following ways:
1-800-99PrepH or 1-800-997-7374
Monday-Friday 9 a.m. to 5 p.m. EST.
PCH Product Information
PO Box 1043
Kings Mountain, NC 28086
Or visit our Product FAQ section to see if we have already provided the
information you are looking for.
*Among OTC brands
Use as directed
Pfizer Consumer Healthcare
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