Frequently Asked Questions

Choose from the topics below to learn more about what’s important to you.
What are the differences between prescription opioids and OTC pain relievers?

Like the name implies, over-the-counter pain relievers can be bought without a prescription and are used to treat moderate pain and fever. Opioids are a different class of drug that treat severe or chronic pain and require a prescription from a doctor. If you want to learn about how Advil® and opioids interact, click here.

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PCH Product Information
Pfizer Inc., PO Box 1043
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