Question 1

Who makes diphenhydramine + pseudoephedrine + acetaminophen?

Accepted Answer

Diphenhydramine + Pseudoephedrine + Acetaminophen is a fixed-dose combination of Diphenhydramine and Pseudoephedrine and Acetaminophen. There is no combination-level drug master file; it is sourced as a finished combination or built from its component APIs. Its component-API makers are listed below; each holds its own regulatory filing.

Question 2

Where do the APIs in diphenhydramine + pseudoephedrine + acetaminophen come from?

Accepted Answer

Diphenhydramine: 16 verified API manufacturers. Pseudoephedrine: 8 verified API manufacturers. Acetaminophen: 20 verified API manufacturers. Each links to its own ranked supplier page.

Question 3

What strengths does diphenhydramine + pseudoephedrine + acetaminophen come in?

Accepted Answer

Common marketed ratios include 30/500/25, 30/25/500 (mg per component). Ratios come from the finished-product records as at 29 July 2026.

Diphenhydramine + Pseudoephedrine + Acetaminophen FDC suppliers and manufacturers

Component APIs — where each ingredient comes from

Diphenhydramine API manufacturers

Pseudoephedrine API manufacturers

Acetaminophen API manufacturers

Source this combination

Component molecule pages