United States· US:63824-515_51b45cdb-42b6-7a6f-e063-6294a90a5039
Mucinex Fast-Max
A medicinal product containing guaifenesin; phenylephrine hydrochloride; dextromethorphan hydrobromide, registered in United States by Reckitt Benckiser LLC.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- GUAIFENESIN; PHENYLEPHRINE HYDROCHLORIDE; DEXTROMETHORPHAN HYDROBROMIDE
- Manufacturer
- Reckitt Benckiser LLC
- Country
- United States (US)
- ATC code
- —
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 2
- ndc1163824-515-20
- ndc1163824515204 BLISTER PACK in 1 CARTON (63824-515-20) / 5 TABLET, FILM COATED in 1 BLISTER PACK
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Same medicine, other countries
Guaifenesin; phenylephrine hydrochloride; dextromethorphan hydrobromide in 1 other country
What each register calls a product with the same active substance — salts and hydrates count as the same.
Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of FDA National Drug Code directory (United States). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.
For developers
The same record over the API, and the raw payload
GET /v1/drugs/d4663c1d-302f-4efa-8aea-5f27207e169d GET /v1/drugs/d4663c1d-302f-4efa-8aea-5f27207e169d?format=fhir
Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.
{
"route": "ORAL",
"source": "ndc",
"strength": "200; 5; 10",
"substance": "GUAIFENESIN; PHENYLEPHRINE HYDROCHLORIDE; DEXTROMETHORPHAN HYDROBROMIDE",
"productndc": "63824-515",
"dosage_form": "TABLET, FILM COATED",
"dea_schedule": null,
"strength_unit": "mg/1; mg/1; mg/1",
"application_number": "M012",
"marketing_category": "OTC MONOGRAPH DRUG"
}See everything about guaifenesin; phenylephrine hydrochloride; dextromethorphan hydrobromide.
This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.