Diabos

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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 Diabos

Quick Facts

Property Description
Active ingredient Glibenclamide (Glyburide)
Form Oral Tablet (Standard and Micronized)
Pharmacological Class Sulfonylurea, Second-Generation
Common Use Management of Type 2 diabetes mellitus (T2DM)
Origin Synthetic Compound

What Type of Medicine is Diabos?

Diabos is an oral antihyperglycemic drug containing the synthetic compound Glibenclamide, which is also frequently identified as Glyburide. The medicine belongs to the sulfonylureas pharmacological class, specifically recognized as a second-generation compound. This classification signifies that Glibenclamide is an insulin secretagogue designed to prompt the immediate release of insulin from the pancreas.

This compound's efficacy in lowering blood glucose is clinically recognized for its potent action compared to older sulfonylureas. As an established agent used in the management of Type 2 diabetes mellitus (T2DM), Diabos provides pharmacological support for adults whose bodies still produce insulin but require assistance to control elevated blood sugar levels. Official labeling confirms that Glibenclamide is used as an adjunct to diet and exercise for improving glycemic control in these patients.


Composition and Delivery Form

The preparation Diabos is a single-agent product delivered for oral administration as a tablet. Its core composition features Glibenclamide as the sole active ingredient, combined with necessary pharmaceutical excipients to create the stable, solid dosage form. Glibenclamide is manufactured in standard and specialized micronized formulations for oral delivery.

General Purpose and Primary Benefit

The primary function of Diabos is to help the body effectively manage hyperglycemia by enhancing the available supply of insulin. The essential mechanism is to stimulate the pancreatic beta cells, causing an immediate release of insulin into the circulation. By selectively boosting insulin secretion, Diabos provides a direct means for patients to maintain better control over their blood sugar levels when lifestyle modifications alone are insufficient.

Regulatory References

  1. National Institutes of Health

What side effects are possible with Diabos?

Possible side effects and safety information

The safety profile of Diabos (Glibenclamide) is primarily defined by the risk of hypoglycemia (low blood sugar), which is officially documented as the most common or very common adverse reaction, as it is an inherent effect of this class of medicine.

Systemic Adverse Reactions

Adverse reactions documented in official regulatory labeling are grouped into System-Organ Classes (SOC). These include Metabolism and Nutrition Disorders (primarily hypoglycemia and weight gain), Gastrointestinal Disorders (such as nausea, heartburn, and diarrhea), Skin and Subcutaneous Tissue Disorders (including photosensitivity and rash), and Blood and Lymphatic System Disorders, which encompass rare but serious reactions like aplastic anemia and thrombocytopenia.

Serious Safety Considerations

The most significant risk is severe and prolonged hypoglycemia, which requires urgent medical attention. Regulatory documents also note an association with increased cardiovascular mortality. Additionally, rare but severe allergic reactions like Stevens-Johnson Syndrome are documented. Patients with Glucose-6-Phosphate Dehydrogenase (G6PD) deficiency are noted to be at risk of hemolytic anemia.

Safety Constraints and Special Populations

Official labeling identifies specific constraints for use. Diabos is contraindicated in conditions such as Type 1 Diabetes Mellitus and Diabetic Ketoacidosis. Use is restricted in patients with severe renal or hepatic impairment due to the increased risk of prolonged hypoglycemia. The medicine is also generally contraindicated for use during pregnancy and lactation. Older adults are explicitly identified as a population susceptible to the hypoglycemic action, where symptoms may be less recognizable.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Diabos (Glibenclamide) overdose is defined by the risk of profound and sustained hypoglycemia (severely low blood sugar). This manifestation is the primary concern because the compound acts as a potent insulin secretagogue.

Documented Overdose Manifestations and Outcomes

Feature Official Regulatory Statement
Documented presentations Symptoms of hypoglycemia, including cold sweats, tremor, nervousness, confusion, and a rapid heartbeat (tachycardia).
Physiological risks Overdose can lead to life-threatening central nervous system effects such as seizures, loss of consciousness, and coma.
Population-specific notes Elderly patients and those with hepatic or renal impairment are at increased risk for severe and prolonged reactions.

Required Emergency Actions

Immediate medical attention is required upon suspicion of overdose or if symptoms of severe hypoglycemia are evident. Patients must contact emergency services if they experience confusion, loss of consciousness, or convulsions. Treatment for severe hypoglycemia involves the mandatory administration of intravenous glucose solutions and supportive treatment. Patients require prolonged hospital monitoring—often for 24 to 72 hours—due to the sustained effect of the drug and the risk of recurrent hypoglycemia. The regulatory labeling states that no specific antidote is known for Glibenclamide itself.

Therapeutic Uses of Diabos

What Diabos Treats: Main Uses and Benefits

Diabos is commonly used across conditions characterized by periods of heightened symptoms. It is relevant in clinical settings where supportive symptom management is appropriate, applied in scenarios where additional management of discomfort is required. This medication is commonly used to help with symptom clusters that include symptoms related to physical discomfort, swelling, and stiffness. It provides support that helps ease the overall symptom burden.

Medications in this category are commonly used for their ability to ease symptoms that create noticeable physiological strain across areas of musculoskeletal discomfort.

Therapeutic Support

The medication is commonly used across conditions involving episodic or fluctuating manifestations, especially during phases when symptoms become temporarily overwhelming. It may assist with maintaining functional stability when symptoms that become more disruptive during flare-ups are more noticeable. The use of this medication assists with maintaining functional stability and contributes to improved comfort during symptomatic periods.


Quick Fact: Relief for Joint and Muscle Discomfort

Regulatory References

  1. NIH MedlinePlus overview on NSAIDs

Eligibility and Restrictions for Use

The eligibility for Diabos (Glibenclamide/Glyburide) is defined strictly by official regulatory labeling, focusing on the adult population with residual insulin function.

Populations Approved for Use

Diabos is officially indicated for adults with Type 2 Diabetes Mellitus (T2DM) as an adjunct to diet and exercise.


Absolute Contraindications (Must Not Use)

Use is contraindicated in patients with:

  • Type 1 Diabetes Mellitus (T1DM) or Diabetic Ketoacidosis (DKA).
  • Known hypersensitivity to Glibenclamide or other sulfonylurea drugs.
  • Severe renal impairment or severe hepatic impairment.
  • Concurrent use of the drug Bosentan.

Conditional and Restricted Use

Population/Condition Regulatory Classification
Pediatric Patients Not established (use is not recommended).
Older Adults (Geriatric) Restricted (increased risk of severe hypoglycemia; requires caution).
Pregnancy/Lactation Contraindicated/Not Recommended (risk to infant; discontinue before delivery).
G6PD Deficiency Restricted (non-sulfonylurea alternative should be considered).

The drug is generally avoided during periods of severe stress, such as trauma or major surgery, when insulin therapy is typically required.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Diabos (Glibenclamide/Glyburide) is defined by pharmacokinetic and pharmacodynamic mechanisms as documented in official regulatory sources. Co-administration is formally contraindicated with Bosentan due to the risk of elevated liver enzymes, an effect linked to Bile Salt Export Pump (BSEP) inhibition. Similarly, the co-use of oral Miconazole is contraindicated due to the risk of severe hypoglycemia.

Classification Interacting Agents and Mechanisms
Exposure Alterations Rifampin (decreases exposure via CYP enzyme induction); Colesevelam (decreases absorption).
Potentiation/Antagonism Potentiated by NSAIDs, ACE inhibitors, and sulfonamides; Antagonized by corticosteroids and thiazide diuretics.

To minimize reduced drug absorption, official labeling mandates that Diabos must be administered at least four hours prior to Colesevelam. Furthermore, the ingestion of Alcohol (Ethanol) is formally linked to an increased risk of hypoglycemia and may cause unpredictable effects on blood sugar. Interaction risk is also heightened in specific populations: patients with severe renal or hepatic insufficiency face an increased risk of serious, prolonged hypoglycemia due to reduced drug clearance, and the drug should be used with caution in individuals with G6PD deficiency due to the documented risk of hemolytic anemia.

Mechanism of Action

Targeting the KATP Channel for Induced Insulin Release

Diabos, containing Glibenclamide, operates by acting as a non-competitive inhibitor of the Sulfonylurea Receptor 1 (SUR1) subunit on the pancreatic beta-cell membrane. This specific binding closes the ATP-sensitive potassium channel (KATP channel), preventing the outward flow of potassium ions left(K^+ ight) and forcing the cell membrane to depolarize. This mechanistic domain results in the induction of insulin release.


The Ca^2+-Mediated Secretory Cascade

The initial membrane depolarization triggers a signal transduction cascade by activating voltage-dependent Ca^2+ channels, resulting in a rapid influx of calcium ions (Ca^2+) into the cell. This elevated internal Ca^2+ concentration acts as the final signal that compels the beta-cell to initiate exocytosis, the process of releasing its stored insulin granules into the systemic circulation. This cascade increases the concentration of circulating insulin, which influences whole-body glucose metabolism. The mechanism is dependent on the presence of viable, functional pancreatic beta-cells capable of hormone synthesis.

Dosage and Administration Information

Diabos (Glibenclamide/Glyburide) is an oral medication administered for the chronic management of Type 2 Diabetes Mellitus, based on regulatory guidelines. The medicine is available as a standard tablet (e.g., 1.25 mg to 5 mg strengths) and a micronized tablet (e.g., 1.5 mg to 6 mg strengths). Official labeling clarifies that these distinct formulations are not interchangeable; switching between them requires a new dose adjustment protocol.


Administration Timing and Dosing

The official protocol specifies that Diabos must be taken once daily with breakfast or the first main meal of the day. This timing is a key administration principle. Dosing begins with a conservative, low starting amount, such as 2.5 mg (standard) or 1.5 mg (micronized) daily. The daily amount is then gradually adjusted (titrated) at weekly intervals based on the patient’s clinical response. If a high dose is required, the total amount may be divided into two separate administrations per day. The maximum daily dose is strictly limited, for example, to 20 mg for the standard tablet form.


Special Usage Conditions

Administration rules define specific adjustments for certain patient groups. For older adults, a lower initial dose and a more conservative titration schedule are officially recommended. Furthermore, if a dose is missed, regulatory instructions strictly advise the patient to skip the missed dose and continue with the next scheduled administration; the dose should never be doubled.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Diabos (Glibenclamide)


1. Evidence for Glycemic Control in Type 2 Diabetes Mellitus

The research base for Diabos includes short-term and intermediate-term Randomized Controlled Trials (RCTs), as well as large-scale observational studies. These studies were conducted to study its effect on blood sugar markers in adults with Type 2 diabetes. Researchers examined key measurements like Glycated Hemoglobin (HbA1c) and Fasting Plasma Glucose (FPG). Many trials evaluated Glibenclamide alongside placebo or against other classes of oral anti-diabetes medications.

The short-term studies reported measurements showing shifts in these key blood sugar biomarkers; findings describe measurements of HbA1c and FPG that were generally reduced in the observed populations. However, researchers also reported that the reported measurements of blood sugar markers varied in maintenance over longer follow-up periods. These studies monitored for the occurrence of hypoglycemia (low blood sugar) events and recorded changes in body weight within the populations observed.

2. Findings from Long-Term Studies and Durability of Response

Studies have explored the long-term status of the initial changes in blood sugar markers and monitored their evolution over extended periods. Researchers monitored groups of patients for periods ranging from one year up to 10 or more years to investigate the long-term status of glycemic markers and the evaluation of major health events.

These long-duration studies examined complex endpoints, such as rates of vascular complications and mortality. Reported data regarding these long-term cardiovascular and mortality outcomes demonstrated variability across large research efforts. Therefore, long-term effects on these complex endpoints are not fully established, and certainty remains low in certain areas.

3. Evidence in Specific Patient Populations and Uncertainties

Research has examined patterns observed in older adults with Type 2 diabetes and pregnant women with Gestational Diabetes (GDM). For its use in GDM, the main uncertainty relates to the variability in findings regarding specific neonatal outcomes, such as hypoglycemia rates. Furthermore, few data are available for the long-term health and development of children whose mothers were included in the studies.

Key Studies & References

  1. Efficacy and Safety of Glibenclamide Compared with Insulin in Gestational Diabetes Mellitus: A Systematic Review and Meta-analysis
  2. Efficacy of glyburide vs. metformin in preventing neonatal birth obesity in pregnancies complicated by gestational diabetes mellitus: a systematic review and meta-analysis

Frequently Asked Questions (FAQ)

Common questions about Diabos (FAQ)

Q: Why do people say Diabos is different from other medicines they've tried?

Official product information describes Diabos as belonging to the sulfonylurea class of medications. This class works by stimulating the pancreas to release more of the body’s natural insulin. This specific function, known as an insulin secretagogue action, is a key factor that differentiates it from other types of diabetes treatments that may work primarily by affecting how the body uses insulin or how the gut absorbs sugar.

Q: What specific foods or drinks are mentioned in official warnings about Diabos?

Regulatory documents specify that alcohol should be avoided or consumed with caution while taking Diabos. This is due to the potential for alcohol to significantly increase the risk of developing severely low blood sugar levels (hypoglycemia). Official warnings do not typically list prohibitions on specific food items.

Q: What is the general safety classification of Diabos according to regulators?

The active ingredient in Diabos is assigned Pregnancy Category C by the FDA, meaning there is insufficient data to definitively rule out risk to the fetus. For general use in specific populations, official safety information indicates restrictions, particularly for older adults and those with severe kidney or liver impairment, due to the increased risk of prolonged low blood sugar.

Q: Why do official documents list so many potential interactions for Diabos?

Official documents list many potential interactions because Diabos works directly to lower blood sugar. Any other substance, medication, or supplement that also affects blood sugar or influences how the body processes Diabos can change its effect. Regulators list these potential interactions to ensure that the risks of low or high blood sugar are understood when combining medicines.

Q: How does the 'How it works' section explain Diabos's action simply?

The medicine works as an 'insulin secretagogue,' meaning its primary function is to prompt the pancreas to secrete (release) more insulin into the bloodstream. This surge of natural insulin helps the body move glucose out of the blood and into the cells, thus lowering high blood sugar levels.

Q: Is Diabos a hormone-based medication?

Diabos is a synthetic compound classified by regulators as a sulfonylurea, not a hormone. While it directly influences the release of the hormone insulin, Diabos itself is a man-made chemical agent that targets specific cells in the pancreas.

Q: How does Diabos relate to other common treatments for the same condition?

Regulatory documents describe Diabos as a core glucose-lowering medication for the management of Type 2 diabetes. It is approved for use either on its own or in combination with other classes of anti-diabetic medications when a single treatment is not sufficient to maintain blood sugar within the desired range.

Q: Is it common to feel tired when first starting Diabos?

Official product information includes reports of general fatigue or asthenia in the list of documented adverse reactions. It is noted that low blood sugar (hypoglycemia), the most common adverse effect of Diabos, can also manifest as drowsiness, confusion, or unusual tiredness.

Q: Can Diabos affect my ability to drive or operate machinery?

Official documents include a warning that Diabos can impair a person's ability to drive or operate machinery. This is linked to the drug’s potential to cause hypoglycemia (low blood sugar), which can severely affect concentration, reaction time, and alertness.

Q: Are there warnings about Diabos interacting with herbal supplements?

Regulatory labels include a general caution regarding co-administration with other substances that can influence blood sugar levels. This caution extends to herbal or complementary medicines, as many can increase the risk of hypoglycemia when taken alongside Diabos.

Q: How long does it typically take to start feeling the effects of Diabos?

Pharmacokinetic data from official sources indicate that the concentration of the medicine in the blood generally peaks about four hours after an oral dose. This peak level represents the point when the drug's activity is maximized.

Q: What is the expected duration of the action of one dose of Diabos?

The drug's elimination half-life, which measures how long it takes for half of the dose to leave the body, is described in official product information as typically ranging between 4 and 11 hours. This measured duration indicates the sustained nature of the drug’s activity.

Q: What happens if someone stops taking Diabos suddenly?

Regulatory warnings state that treatment for Type 2 diabetes is generally chronic and continuous. Abrupt cessation of Diabos has been associated with a loss of blood sugar control, which may lead to blood sugar levels rising (hyperglycemia).

Q: Does Diabos require any special blood tests before or during use?

Regulatory guidelines indicate the need for periodic monitoring of certain laboratory values during the use of Diabos. This includes testing of blood glucose and HbA1c (a measure of long-term blood sugar control), as well as checks on kidney and liver function.

Q: Are the research findings on Diabos publicly available?

According to the regulatory framework that governs drug approvals, clinical trials supporting the use of Diabos must be registered, and certain results are publicly disclosed. This information is typically found in government-run databases such as the NIH's ClinicalTrials.gov.

Q: Why is Diabos sometimes used in combination with other drugs?

Official indications permit the use of Diabos alongside other anti-diabetic agents. This combination approach is commonly employed when treatment with a single drug, such as Diabos alone, is not sufficient to maintain blood sugar within the desired range.

Q: Is Diabos available in pharmacies outside of a prescription?

Diabos is uniformly classified by major regulatory authorities as a Prescription Only Medicine (Rx-only). It is not available for purchase over the counter, and its availability is restricted to dispensing under a valid prescription.

Q: Can Diabos affect blood pressure readings?

Official product information indicates that Diabos is not a treatment for blood pressure. However, the regulatory label describes potential cardiovascular effects and notes interactions with certain blood pressure medications. Severe low blood sugar, which is a common effect of the drug, can sometimes affect heart function.

Q: Does taking Diabos affect how someone feels emotionally?

The regulatory adverse reaction profile does include documented nervous system disorders. Furthermore, the most common adverse effect, hypoglycemia (low blood sugar), frequently causes mental and emotional changes, such as confusion, anxiety, and nervousness.

Q: Is Diabos a controlled substance?

According to governmental drug scheduling databases, the active ingredient in Diabos (glyburide) is not classified as a controlled substance. This means it is not subject to the extra regulations concerning storage and dispensing that apply to controlled medications.

Q: What does it mean if Diabos has a 'Black Box Warning' (if applicable)?

The FDA label for Diabos includes a Boxed Warning (colloquially called a Black Box Warning) due to observations in previous studies with the sulfonylurea class. This warning highlights a potential increased risk of cardiovascular mortality compared to certain other types of treatment for diabetes, and it is a requirement for the official labeling.

Q: Can Diabos be crushed or split if needed?

Regulatory information provides detail on the physical properties of the tablets. While some formulations may be administered as crushed tablets, regulatory labeling highlights the specific administration guidance for the exact product formulation.

Q: How quickly is Diabos eliminated from the body?

Pharmacokinetic data from official regulatory sources indicate that Diabos is processed mainly by the liver and leaves the body through both the bile and the urine. The complete elimination process is typically finished within 45 to 72 hours after the last dose.

How should Diabos be stored and disposed of?

How to Store and Dispose of Diabos

The official storage conditions for Diabos (Glibenclamide/Glyburide) tablets are defined to ensure product integrity and stability.

Storage Requirements

  • Temperature: Store at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F). Do not refrigerate or freeze.
  • Protection: The product must be stored in the original container, kept tightly closed, and protected from excessive moisture and light.
  • Child Safety: It is required to keep Diabos and all medicines out of the sight and reach of children.

Disposal Instructions

Unused or expired Diabos must be disposed of according to regulatory guidelines. The preferred method is using a drug take-back program. If a take-back option is unavailable, the medicine should be mixed with an unappealing substance, placed in a sealed bag, and discarded in the household trash; the product must not be flushed down the sink or toilet.

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

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