The use of extended-release formulations is increasing in the field of analgesics.

Acetaminophen-based medicines, which consumers commonly regard as cold and fever relievers, are usually given in the form of IR tablets (Immediate Release tablets), which are regular tablets that dissolve quickly in the stomach without any special controlled release technology.

On the other hand, extended-release tablets (ER tablets) are designed to release slowly in the body using special controlled release technology. Extended-release tablets are characterized by their longer-lasting effect compared to IR tablets and are convenient because they can be taken less often.

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