fexofenadine hydrochloride; pseudoephedrine hydrochloride · Chattem Sanofi · NDA 021704

Allegra-D 24 Hour Allergy And Congestion

Earliest generic entry, as listed
Open now

No unexpired patents or exclusivities are listed for this product.

Listed patents · 0 unexpired

No unexpired patents listed.

Exclusivities · 0 unexpired

No unexpired exclusivities listed.

Paragraph IV certifications · 0

No Paragraph IV certification listed by FDA for this drug.

The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.

Event history

  • Generic approved · ANDA 216792, L Perrigo Co · 021704-002Approved 7 Oct 2025Detected 25 Oct 2026Historical import

Products covered · 1

NDA · productFormStrengthListed expiry
021704 · 002 · RLDtablet, extended release, oral180MG;240MGopen