United States· US:49631-178_24c5b10a-a217-7bae-e063-6394a90aaf4c
OHTAS ISAN ANTACID
A medicinal product containing calcium carbonate; sodium bicarbonate, registered in United States by OHTA'S ISAN CO.,LTD..
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
- CALCIUM CARBONATE; SODIUM BICARBONATE
- Manufacturer
- OHTA'S ISAN CO.,LTD.
- 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
- ndc1149631-178-13
- ndc1149631178131 DOSE PACK in 1 BOX (49631-178-13) / 16 PACKET in 1 DOSE PACK / 1.3 g in 1 PACKET
Regulatory notes
No shortage, Orange Book or US label notes for this record.
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/b5551d6d-3910-4a78-ba3b-37e1e20d10ec GET /v1/drugs/b5551d6d-3910-4a78-ba3b-37e1e20d10ec?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": "1; 1",
"substance": "CALCIUM CARBONATE; SODIUM BICARBONATE",
"productndc": "49631-178",
"dosage_form": "POWDER",
"dea_schedule": null,
"strength_unit": "g/g; g/g",
"application_number": "M001",
"marketing_category": "OTC MONOGRAPH DRUG"
}See everything about calcium carbonate; sodium bicarbonate.
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.