Omeprazole

openFDA label record#

This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.

Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Omeprazole
Generic name
OMEPRAZOLE
Manufacturer
Chain Drug Marketing Association INC
Product type
HUMAN OTC DRUG
SPL set ID
77d4f6c7-87ca-78bb-3310-2304a68f9f9b
SPL ID
c8061435-ef48-b29f-b9bc-3fdda780ecc4
Version
2
Effective date
2025-01-17
Source export date
2026-10-12
Source partition
11
Source file
https://download.open.fda.gov/drug/label/drug-label-0011-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-10-12/a497e765d824a2e2aa9e88d5f0eea2aae9dcba363989e5f163395cda5c3c9dd8/drug-label-0011-of-0014.json.zip
Source manifest SHA-256
7e6b178df8f32cac9a78e0f5d09c588344509b04fe41effb1dde9102e2a45be6
Import run
20261013T011858Z
Imported at
2026-10-13 02:45:08
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Warnings sections page 1 of 1 · 1 matching rows.

warnings

Warnings Allergy alert: do not use if you are allergic to omeprazole omeprazole may cause severe skin reactions. Symptoms may include: skin reddening blisters rash If an allergic reaction occurs, stop use and seek medical help right away. Do not use if you have: trouble or pain swallowing food, vomiting with blood, or bloody or black stools heartburn with lightheadedness, sweating or dizziness chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadednes frequent chest pain These may be signs of a serious condition. See your doctor. Ask a doctor before use if you have : had heartburn over 3 months. This may be a sign of a more serious condition. frequent wheezing, particularly with heartburn unexplained weight loss nausea or vomiting stomach pain Ask a doctor or pharmacist before use if you are taking a prescription drug. Acid reducers may interact with certain prescription drugs. Stop use and ask doctor if: your heartburn continues or worsens you need to take this product for more than 14 days you need to take more than 1 course of treatment every 4 months you get diarrhea you develop a rash or joint pain If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222)

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.