Ulcozol

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Ulcozol

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Ulcozol

Property Description
Active ingredient Omeprazole
Form Gastroresistant Capsules (Delayed-Release)
Pharmacological class Proton Pump Inhibitor (PPI)
Common use Reducing stomach acidity
Origin Synthetic Organic Compound

What Type of Medicine is Ulcozol (Omeprazole)?

Ulcozol is a synthetic organic compound containing the active ingredient omeprazole, which belongs to the class of medications known as Proton Pump Inhibitors (PPIs). This classification designates Ulcozol as an antisecretory agent designed to manage conditions stemming from excessive stomach acid production. Omeprazole is a type of substituted benzimidazole that acts to suppress gastric acid secretion.

Composition and Preparation: The Gastroresistant Capsule

The active ingredient, omeprazole, is prepared for oral administration primarily in the form of gastroresistant capsules, also referred to as delayed-release capsules. This specific pharmaceutical preparation is used because omeprazole is vulnerable to chemical destruction by the acid found in the stomach. The capsule contains delayed-release pellets that are encased in a protective coating. This structure is designed to ensure the active component is delivered to the small intestine for absorption, preventing drug degradation in the gastric environment.

General Purpose: Reducing Stomach Acidity

The primary general purpose of Ulcozol is to limit the stomach's ability to produce acid, achieving a reduction of stomach acidity. This effect is accomplished by the ability to irreversibly inhibit the gastric H+/K+-ATPase enzyme system, which is the final cellular mechanism, or "proton pump," responsible for acid release. By disabling this pump, Ulcozol provides control over the digestive environment, offering relief by limiting chemical injury caused by excessive acid, such as heartburn or acid regurgitation.

What side effects are possible with Ulcozol?

Possible Side Effects and Safety Information: Ulcozol (Omeprazole)


The safety profile of Ulcozol (omeprazole) is categorized by government regulatory bodies based on the frequency of observed adverse reactions. The most Common effects, reported in one in every 10 to 100 patients, involve the Gastrointestinal and Nervous systems, and include headache, abdominal pain, diarrhea, flatulence, and nausea or vomiting.

Reactions classified as Uncommon (affecting up to one in 100 patients) may involve dizziness, insomnia, rash, itching, and changes in liver enzymes.

Serious Adverse Reactions and Duration-Related Safety

Official labeling documents address Rare but serious adverse reactions, which may affect blood cell counts (leukopenia, thrombocytopenia) or lead to severe skin conditions such as Stevens-Johnson Syndrome (SJS). Acute Tubulointerstitial Nephritis (TIN), a kidney condition, is also documented and may occur at any time during treatment.

Specific safety concerns are associated with the duration of exposure. Long-term use may increase the risk of bone fractures of the hip, wrist, or spine, and has been linked to Hypomagnesaemia (low magnesium levels). The label also notes that a symptomatic response does not rule out the presence of a gastric malignancy and that omeprazole may interfere with certain diagnostic tests, requiring temporary cessation of the medicine before testing.

Population-Specific Notes

The regulatory safety profile includes specific notes for certain groups. For older adults, the risk of bone fracture is particularly relevant with long-duration use. For patients with severe pre-existing liver disease, there are documented, very rare risks of hepatic failure.

Overdose and Emergency Response

The official regulatory profile for Ulcozol (Omeprazole) describes clinical manifestations observed in cases of acute, high-dose ingestion. These documented symptoms are generally characterized as transient and self-limiting, having been reported with high doses up to 2400 mg.

Category Documented Manifestations & Actions
Overdose Presentations Symptoms may include drowsiness, headache, confusion, blurred vision, tachycardia (fast heartbeat), nausea, vomiting, diarrhea, flushing, and dry mouth.
Emergency Actions Seek immediate medical attention for any suspected overdose. Immediate emergency services must be contacted if the individual has collapsed, had a seizure, has trouble breathing, or cannot be awakened.

Overdose Management Protocol

Treatment is limited to symptomatic and supportive treatment. Regulatory documents explicitly state that no specific antidote is known for Omeprazole, and the drug is considered not dialyzable. Hospital monitoring and clinical observation may be required following an overdose incident, depending on the severity of the presenting manifestations. This focus on observation and supportive care defines the procedural approach taken by healthcare professionals in managing overdose scenarios.

Therapeutic Uses of Ulcozol

What Ulcozol Treats: Main Uses and Benefits

Ulcozol is commonly used to help manage a range of conditions and symptoms where additional symptomatic support is needed. The active ingredient is utilized across several key therapeutic areas where short-term symptom management is appropriate. It is applied to address symptoms related to physical discomfort and systemic imbalance, including conditions involving irritative processes and those with episodic or fluctuating manifestations.


Managing Symptoms and Providing Support

The medication is often used during phases of heightened discomfort or tension, supporting patients during difficult episodes. This assistance contributes to easing the overall symptom load and may assist with maintaining functional stability when symptoms become more noticeable.

This medicine is applied across domains where short-term symptom management is appropriate.

It is relevant for conditions presenting with systemic or localized discomfort, such as those involving inflammatory or irritative processes. Ulcozol supports patients by easing distress and contributing to improved day-to-day comfort during symptomatic periods.

Quick Fact: Focus on managing symptoms related to irritative states.

Eligibility and Restrictions for Use

Ulcozol (omeprazole) is generally used by adults and children to treat conditions caused by excess stomach acid, such as gastroesophageal reflux disease (GERD), erosive esophagitis, duodenal and gastric ulcers, and Zollinger-Ellison syndrome. The appropriate use and dosage for pediatric patients must be determined by a physician.

Contraindications and Cautions

Ulcozol is not suitable for everyone. Do not use this medication if you have a known hypersensitivity or allergic reaction to omeprazole, any other ingredient in the formulation, or any substituted benzimidazoles (e.g., other proton pump inhibitors).

Consult your healthcare provider before use if you have certain existing medical conditions. Patients with pre-existing conditions such as severe liver disease may require a dose adjustment. Caution is also advised for those with a history of osteoporosis, as long-term or high-dose therapy may increase the risk of bone fractures. Other conditions requiring caution include low levels of magnesium, calcium, or potassium in the blood, and systemic lupus erythematosus (SLE).

Additionally, Ulcozol is contraindicated if you are currently taking medications containing nelfinavir or rilpivirine, which are used to treat Human Immunodeficiency Virus (HIV).

What should I know about interactions with other medicines?

Interactions with other medicines and products

Ulcozol (Omeprazole) has officially documented interactions primarily stemming from its profound effect on gastric pH and its role as an inhibitor of the CYP2C19 and CYP3A4 liver enzyme systems, as stated in regulatory documents.

Interaction Classifications and Restrictions

Classification Interacting Medicines and Substances
Formally Contraindicated Nelfinavir (due to significant reduction in plasma levels).
Not Recommended Rilpivirine, Atazanavir (due to reduction in plasma concentrations).
Exposure-Altering (Increased) Diazepam, Phenytoin, Warfarin, Tacrolimus, Cilostazol (via CYP inhibition). Digoxin (via pH effect/P-gp).
Exposure-Altering (Reduced) Clopidogrel (reduced active metabolite formation), Ketoconazole, Erlotinib, Iron Salts (via pH effect).

Co-administration with enzyme inducers such as Rifampin and St. John’s Wort is also documented to reduce the plasma concentrations of omeprazole.

Procedural and Population-Specific Constraints

Ulcozol must be temporarily stopped for at least 14 days prior to assessing Chromogranin A (CgA) levels, as the medicine can increase CgA levels, interfering with diagnostic results. The drug's metabolism can be affected by genetic status; for instance, CYP2C19 poor metabolizers exhibit increased systemic exposure to omeprazole. Furthermore, long-term use is associated with reduced absorption of Cyanocobalamin (Vitamin B-12).

Mechanism of Action

The action of Ulcozol (omeprazole) is defined by its ability to inhibit the final common pathway for acid secretion in the stomach. The mechanism is specific and depends on local cellular conditions for activation.

Irreversible Enzyme Inhibition: Targeting the Proton Pump

Ulcozol is a prodrug that becomes active only in the highly acidic canaliculi of the stomach's parietal cells. Once activated, it functions as an irreversible inhibitor by forming a covalent bond with the H^+/ K^+-ATPase (Proton Pump) . This enzyme is the primary biological target and is the mechanism responsible for transporting hydrogen ions ( H^+) into the stomach lumen.

Mechanistic Cascade and Physiological Effect

The permanent deactivation of the proton pump halts the gastric acid secretion pathway, leading to a reduction in H^+ concentration and a resultant elevation of intragastric pH (hypochlorhydria). Because the inhibition is permanent, acid secretion can only resume once the parietal cell synthesizes and integrates new enzyme molecules. This leads to the persistence of the physiological effect after the drug is eliminated from the circulation.

Dosage and Administration Information

Ulcozol is administered exclusively by the oral route, available in pharmaceutical forms including delayed-release capsules, tablets, and powder for oral suspension. The use of this medication follows established clinical regimens.

Administration Principles and Timing

For most standard uses, including the treatment of ulcers, the typical adult regimen involves 20 mg once daily. Higher doses, such as 40 mg once daily, are applied for conditions like the treatment of gastric ulcers. For optimal effect, the medication must be taken before eating (before a meal), preferably in the morning.

To preserve the integrity of the gastro-resistant coating, the delayed-release capsule or tablet must be swallowed whole and must not be crushed or chewed. If swallowing the solid form is not feasible, the capsule contents may be opened and sprinkled onto a soft, acidic food, such as applesauce, and then swallowed immediately.

Frequency, Duration, and Adjustment

Dosing frequency is predominantly once daily; however, certain multi-drug protocols, such as those for H. pylori eradication, specify use as 20 mg twice daily. Treatment duration follows defined patterns: short-term courses typically last four to eight weeks for acute healing, while long-term use is approved for maintenance protocols and specific hypersecretory conditions. Dose adjustments are a consideration for certain populations: a dose reduction should be considered for patients with severe hepatic impairment, though generally no adjustment is needed based on renal function or age.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Ulcozol


Evidence for Use in Peptic Ulcer Disease (Gastric and Duodenal Ulcers)

Ulcozol (Omeprazole) was studied for conditions involving the lining of the stomach and small intestine, known as peptic ulcer disease. The research primarily took the form of short-term controlled clinical trials, which was used in research exploring how symptoms change over time in adults diagnosed with these conditions. Studies explored how symptoms related to physical discomfort evolved, alongside monitoring physiological changes like the size of the ulcers.

The findings describe patterns observed in the studies where studies reported measurements of changes in outcomes related to physical discomfort during the defined study intervals. Research highlights changes measured during the study period related to the healing of the ulcers. Furthermore, results apply only to the populations studied, meaning data for certain groups remain insufficient to draw broad conclusions.


Evidence for Use in Gastroesophageal Reflux Disease (GERD) and Erosive Esophagitis

Ulcozol was evaluated in short-term clinical trials relevant in trials assessing short-term or episodic symptom patterns for individuals experiencing acid reflux and related damage to the food pipe (esophagus). Studies monitored patient-reported outcomes describing perceived discomfort and physiological outcomes linked to inflammatory or irritative states.

Research describes that findings indicate changes in patient-reported outcomes related to physical discomfort, which were measured during the course of the studies. However, findings varied across studies regarding the magnitude of measured changes across different studies and symptom severity levels. Certainty remains low for long-term consistency, as long-term effects are not fully established beyond the short-term study periods.


What Is Still Uncertain About Ulcozol

A major research gap is that long-term effects are not fully established. Follow-up durations were limited across many core studies, leaving uncertainty about outcomes over periods lasting several years. Comparative evidence is lacking to fully understand how Ulcozol-related outcomes compare against other similar options in a consistent manner. Additionally, subgroup findings are uncertain because sample sizes were modest in studies involving children and patients with specific co-existing conditions. The available findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly.

Key Studies & References Safety of proton pump inhibitors in the elderly: A systematic review

Frequently Asked Questions (FAQ)

Common questions about Ulcozol (FAQ)

Q: What is Ulcozol used for?

Ulcozol is approved for the short-term treatment of active benign gastric ulcers and duodenal ulcers. It is also indicated for the maintenance treatment of duodenal ulcer patients at reduced dosage following healing of an active ulcer.


Q: How does Ulcozol generally work?

Ulcozol is a mucosal protective agent. It is thought to work primarily by forming a protective layer that adheres to the ulcer site. This action may help shield the ulcer from stomach acid and pepsin, allowing it to heal.


Q: What are some common side effects that have been observed with Ulcozol?

In clinical studies, common side effects reported were constipation, dry mouth, and an upset stomach. It is important to discuss any observed effects with a healthcare professional.


Q: Is Ulcozol suitable for everyone?

Ulcozol may not be suitable for everyone. It is important to review your complete medical history and current medications with a healthcare provider to determine if this medication is appropriate for you.

How should Ulcozol be stored and disposed of?

Ulcozol (omeprazole) must be stored under specific environmental conditions to protect the product's stability and efficacy.


Storage and Protection Requirements

Condition Requirement
Temperature Store at controlled room temperature, 20 C to 25 C (68 F to 77 F), with permitted excursions.
Environmental Protection The medicine must be protected from light and moisture.
Container Keep the product in its original container and ensure it is tightly closed.
Child Safety Store the medicine out of the reach of children.

Disposal Instructions

Official regulatory guidelines recommend using a drug take-back program as the primary method for discarding unused or expired Ulcozol. If a take-back program is unavailable, the medication should be mixed with an undesirable substance, placed in a sealed bag or container, and disposed of in the household trash. The medicine should not be flushed down the toilet unless specifically authorized.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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