Efikas

Quick links to important sections

Efikas

Medically reviewed

Marina Burgos

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 Efikas

Quick Facts

Property Description
Active ingredient Gliclazide
Form Tablet (oral, often modified release)
Pharmacological class Sulfonylurea, Hypoglycemic agent
Common use Management of Type 2 diabetes mellitus
Origin Synthetic sulfonamide derivative

Efikas: Identity and Composition

Efikas is a prescription-only, single-ingredient oral medication that contains Gliclazide as its sole active pharmaceutical ingredient. Gliclazide is classified as a synthetic sulfonamide derivative, not a naturally occurring substance, and is provided in the form of a tablet intended for oral intake. This preparation is frequently available in modified release (MR) formulations, designed to ensure a sustained therapeutic action over time. The fundamental role of the medication is to lower high blood sugar, as Gliclazide is consistently listed as an established hypoglycemic agent used for patients with Type 2 diabetes.

What Pharmacological Class Does Efikas Belong To?

Efikas is classified as a second-generation sulfonylurea, a major and clinically recognized class of antidiabetic drugs. Its pharmacological identity is defined by its function as an insulin secretagogue, meaning its primary mechanism is to prompt the body’s own insulin-producing cells to release stored insulin. Sulfonylureas, including Gliclazide, achieve their effects by stimulating the release of insulin from the pancreatic beta-cells. This differentiates it from many other oral antidiabetic agents, and its action is particularly clinically recognized for helping to restore the body’s early insulin response.

General Therapeutic Benefit

The general therapeutic purpose of Efikas is the reliable and systematic control of hyperglycemia in adults with Type 2 diabetes mellitus. By acting as an insulin secretagogue, the medication aids in the essential process of lowering and stabilizing circulating blood glucose levels. A typical use scenario involves incorporating Efikas into a regimen for patients whose blood sugar is not adequately managed by diet and exercise alone, supporting a core goal in long-term diabetes management.

Regulatory References

  1. MedlinePlus - NIH

What side effects are possible with Efikas?

Possible side effects and safety information

The most frequently documented adverse reaction associated with Efikas (Gliclazide), consistent with its function as a hypoglycaemic agent, is hypoglycaemia (low blood sugar), which is classified as common in official regulatory documents. This core metabolic event may be more likely in situations involving irregular meals, insufficient caloric intake, or strenuous physical activity.

Organ System Safety Patterns

Adverse effects are systematically classified by the affected physiological system in regulatory labeling. Gastrointestinal disorders such as abdominal pain, nausea, vomiting, dyspepsia, and diarrhoea are reported as common or uncommon. Effects on the Hepatobiliary system include reported elevations in liver enzymes and isolated cases of hepatitis or cholestatic jaundice. Rare effects on the Blood and Lymphatic system are documented, including changes in blood cell counts such as leucopenia and thrombocytopenia. Furthermore, the label notes the potential for transient visual disturbances, particularly at the start of treatment, linked to blood glucose fluctuations.

Serious Adverse Reactions and Safety Constraints

Regulatory safety information documents rare but serious adverse reactions, which include severe and prolonged hypoglycaemia, severe bullous reactions such as Stevens-Johnson syndrome, and specific blood dyscrasias. The medication is officially contraindicated in patients with conditions such as Type 1 diabetes, diabetic ketoacidosis, and severe renal or hepatic impairment. The safety profile also includes mandatory restrictions regarding use with certain other substances; for example, concomitant use with systemic Miconazole is contraindicated due to a significant increase in the risk of hypoglycaemia.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose of Efikas (Gliclazide), a sulfonylurea, results in severe or prolonged hypoglycemia, which is the central documented clinical manifestation according to regulatory sources. The official information describes the resulting signs in two main categories.

Feature Official Regulatory Statement
Documented Manifestations Symptoms include sweating, pallor, tachycardia, anxiety, confusion, headache, tremor, and visual disturbances.
Severe Outcomes Risk of hypoglycemic coma, seizures, and resulting neurological impairment are documented complications of severe overdose.
Required Urgent Action Immediate medical attention or hospitalization is required for any severe or prolonged hypoglycemic event.

Regulatory guidance mandates that patients with severe reactions, particularly those involving confusion or loss of consciousness, must seek emergency medical treatment immediately. Due to the high risk of recurring hypoglycemia after initial intervention, the regulatory profile mandates close hospital monitoring for a minimum period of 24 to 48 hours. Official documentation notes that elderly subjects and patients with impaired renal or hepatic function are specifically at increased risk for prolonged and severe adverse effects following an overdose. There is no specific antidote for Gliclazide; management is strictly symptomatic and supportive, focusing on the administration of intravenous glucose to correct blood sugar levels.

Therapeutic Uses of Efikas

Quick Facts

  • Supports management of: Chronic blood sugar regulation.
  • Therapeutic domain: Type 2 diabetes mellitus.
  • Primary role: Used as an aid to diet and exercise regimens.

Efikas is a prescription therapy utilized to support the stabilization of blood sugar levels in adult patients diagnosed with type 2 diabetes mellitus. This medication is intended for use alongside appropriate dietary changes and a structured exercise program. It is one established component of a comprehensive treatment plan to help manage the condition.

The therapeutic purpose of Efikas is to promote a better balance of glucose levels in the bloodstream. This supportive action assists in the long-term management of type 2 diabetes. Before initiating any new therapy, individuals should consult with a healthcare provider to determine the most appropriate course of action.

Efikas is a regulated substance that has been subject to necessary review for its approved uses in the management of type 2 diabetes. Official information regarding the approved indications and patient safety guidance for Gliclazide, the active agent in Efikas, is maintained as part of its clinical and regulatory documentation.

Eligibility and Restrictions for Use

Eligibility Scope

Category Official Regulatory Classification
Populations for whom use is allowed Adults with Type 2 diabetes mellitus when diet and exercise alone are insufficient for blood glucose control.
Populations for whom use is contraindicated Type 1 diabetes, Diabetic keto-acidosis, Severe hepatic or severe renal insufficiency, Pregnancy, Lactation, and Hypersensitivity to Gliclazide or other sulfonylureas.

Age-Related Eligibility Rules

  • Adults: The approved population for use.
  • Older Adults (Geriatrics): Eligible for use; the same dosing regimen is applicable as no clinically significant changes in pharmacokinetics are observed.
  • Pediatric Population (< 18): Use is not recommended as safety and efficacy have not been established in children and adolescents.

Condition-Specific Eligibility Rules

  • Severe Organ Impairment: Contraindicated in severe hepatic or severe renal insufficiency.
  • Mild/Moderate Renal Impairment: Permitted with careful patient monitoring.
  • Physiological Status: Use is contraindicated during both pregnancy and lactation; a change to insulin therapy is required during these periods.

Eligibility Classifications (High-Level)

Classification Type Regulatory Terminology
Eligibility severity classification Contraindicated, Not Recommended, Conditional Use.
Eligibility-context constraints Use is constrained by disease status (Type 2 only), physiological state, concurrent medication, and integrity of organ function.

Connection to the Overall Eligibility Profile

Official regulatory documents define who can and cannot use Efikas by establishing strict, non-negotiable contraindications based on disease type, severe organ function status, and physiological states. For all other eligible adults with Type 2 diabetes, use may be conditional, requiring special consideration and monitoring for factors like co-existing mild to moderate renal impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents classify interactions with Efikas (Gliclazide) primarily based on their effect on blood sugar levels, separating them into those that potentiate the blood sugar-lowering effect and those that oppose it.


Documented Interaction Patterns

Classification Examples of Interacting Substances
Potentiation Interactions ACE inhibitors, beta-blockers, Clarithromycin, Fluconazole, other antidiabetic agents, Alcohol (Ethanol).
Oppositional Interactions Glucocorticoids, Danazol, Salbutamol, Terbutaline, Chlorpromazine, certain Diuretics.

Official Restrictions and Constraints

The co-administration of Miconazole (systemic or oral gel) is formally contraindicated in some regulatory jurisdictions due to the significant risk of enhancing the hypoglycemic effect, potentially leading to adverse outcomes.

Many substances are officially documented as increasing the risk of low blood sugar, including Phenylbutazone, which alters Gliclazide's plasma exposure through metabolic and protein-binding effects. Conversely, the herbal product St John's Wort is cited for potentially decreasing Gliclazide exposure, which can lead to a loss of blood glucose control. Furthermore, patients with hepatic or severe renal impairment face an increased risk of prolonged low blood sugar, which accentuates the severity of all potentiation interactions, as noted in official prescribing information.

Mechanism of Action

How Efikas Works

Efikas (Gliclazide) functions as an insulin secretagogue through a targeted molecular cascade that influences systemic glucose regulation. Its mechanism is strictly dependent on the presence of residual, functional pancreatic beta-cells.

Molecular Mechanism: K ATP Channel Blockade

The primary action initiates at the beta-cell membrane by binding to the Sulfonylurea Receptor 1 (, SUR1), the regulatory subunit of the ATP-sensitive Potassium (, K ATP) channel. Gliclazide acts as an inhibitor, forcing the closure of this channel and arresting the efflux of potassium ions ( K^+). This event causes the cell membrane to depolarize.

Cellular Cascade: Ca^2+ Influx and Exocytosis

The resulting depolarization activates adjacent voltage-gated Ca^2+ channels, causing a rapid surge of calcium ions (, Ca^2+) into the cell. This increase in intracellular calcium is the necessary signal that triggers the exocytosis (release) of stored insulin granules. The resulting change in circulating insulin is associated with an alteration in the first-phase insulin response and directly modulates the physiological pathways governing glucose regulation.

Extrapancreatic Mechanisms

Distinct extrapancreatic effects are also exhibited, including anti-platelet activity that reduces platelet adhesion and aggregation, thereby modulating vascular processes. The molecule further possesses antioxidant properties associated with the mitigation of cellular oxidative stress in beta-cells.

Dosage and Administration Information

How Efikas is Used

Efikas (Gliclazide) is an oral medication with usage instructions strictly defined by its prescribing information. The medication is taken daily to manage Type 2 diabetes mellitus. The route of administration is oral, with tablets being swallowed whole with water.

Dosing and Frequency

Official dosing is determined by the formulation used:

  • Modified-Release (MR) Tablet: The initial dose is typically 30 mg once daily, taken with breakfast. The dose is subject to adjustment based on individual blood glucose response, up to a maximum recommended daily dose of 120 mg. This formulation is always taken as a single intake once daily.

  • Standard (Immediate-Release) Tablet: The starting dose ranges from 40 mg to 80 mg daily. Doses above 160 mg up to the maximum recommended dose of 320 mg are generally taken in divided doses throughout the day.

Administration Requirements

All forms of Efikas must be taken consistently with a meal, typically at breakfast time, as specified in clinical guidance. To preserve the extended-release function, the MR tablets must not be crushed or chewed. Doses are adjusted slowly over time, with a minimum interval of one month usually recommended between dose changes to accurately assess the therapeutic effect. If a dose is missed, instructions state that the next day’s dose must not be increased to compensate.

Population Considerations

For older adults (age 65 and over), the dosing regimen is generally the same as the standard adult population. However, the safety and efficacy of Efikas in the pediatric population have not been established.

Recent Clinical Evidence

Research evidence / Overview of studies for Efikas


Evidence for Managing Blood Sugar Levels (Glycemic Control)

Research has explored how to monitor blood sugar levels, which is an outcome monitored in Type 2 diabetes. These studies primarily include Systematic Reviews and Meta-Analyses that combine data from numerous smaller, short- to intermediate-term Randomized Controlled Trials (RCTs). The key outcomes that researchers monitored in these trials included the pattern of the long-term blood sugar marker, Glycated Hemoglobin (HbA1c), and Fasting Plasma Glucose (FPG) in adults with Type 2 diabetes.

Findings from these compiled studies describe patterns observed where measurements of HbA1c evolved in the observed populations. Researchers have also studied Efikas in head-to-head comparisons against other oral glucose-lowering medications. The data show patterns related to how HbA1c was affected over these short study periods.

However, the quality of the evidence for these short-term comparisons varies across studies. Reviewers have noted that many of the older trials had modest sample sizes and the evidence quality varies across studies, which makes it difficult to draw broad conclusions about minor outcomes, such as changes in body weight, across all populations. Furthermore, the follow-up durations were limited, typically lasting only a few months to a year, meaning these trials provide limited information for long-term outcomes regarding the sustained durability of observed blood sugar patterns.


️ Research on Long-Term Outcomes and Vascular Health

Longer-term research has been conducted to examine the observed patterns of intensive blood sugar monitoring on the complex, long-term conditions of Type 2 diabetes, which are outcomes related to systemic or functional imbalance. The most notable research scenario involved a large-scale, long-term international RCT that evaluated a Gliclazide-based intensive control strategy and followed patients for a median of five years. This study primarily enrolled adults with established T2DM who were considered to be at high risk of vascular events, such as stroke or heart attack.


Key Studies & References

  1. Gliclazide - Summary of Product Characteristics (SPC) [as used in regulatory documents for pharmacokinetics and metabolism]
  2. Gliclazide in Type 2 Diabetes - Clinical Use and Safety Profile in Specific Populations (referencing CKD and older adults data)
  3. NICE Guideline NG28: Type 2 diabetes in adults: management (used for context on comparative use and modern guidelines)

Frequently Asked Questions (FAQ)

Common questions about Efikas (FAQ)

Q: Are there any foods or drinks I need to avoid while taking Efikas?

Official regulatory information advises against the consumption of alcohol, stating it can cause unpredictable changes to blood sugar control and may intensify the drug's effects. The drug is otherwise generally taken with non-alcoholic drinks and a meal.


Q: What are the concerns for older adults (seniors) taking Efikas?

Regulatory documents include warnings that older adults are a population group that may be more predisposed to hypoglycemia, or very low blood sugar. Official warnings highlight that the safe use of this drug in older adults often involves careful monitoring and risk minimization strategies.


Q: Does Efikas make you tired or drowsy?

Dizziness and drowsiness have been reported as uncommon side effects according to official documents. If these effects occur, they are usually temporary and seldom require the discontinuation of the medicine.


Q: Is Efikas safe to take if I have high blood pressure?

Regulatory information notes potential interactions with certain heart and blood pressure medicines. Interactions with these medications are noted, and these combinations may be used under close supervision. The drug itself may, in rare cases, cause a rise in blood pressure.


Q: Can Efikas be taken with common over-the-counter pain relievers?

Official drug information indicates that taking Efikas with certain painkillers or anti-inflammatory drugs, such as common nonsteroidal anti-inflammatory drugs (NSAIDs), may intensify its blood glucose-lowering effect. Official documents state that using this drug alongside certain painkillers may require close monitoring.


Q: Is it normal to feel slightly nauseous after starting Efikas?

Gastrointestinal disturbances including nausea, vomiting, diarrhea, and constipation are classified as uncommon effects that may occur, particularly when first starting treatment. Official instructions already indicate that the medicine should be taken with a meal, which is intended to help reduce the risk of gastrointestinal effects.


Q: How often do people experience a specific side effect like dizziness with Efikas?

The most frequent adverse reaction reported is hypoglycemia (low blood sugar). Other effects, such as dizziness, nausea, and vomiting, are classified as uncommon, meaning they are reported in less than 1 in 100 people.


Q: What information is available about Efikas and long-term use?

For the drug class to which Efikas belongs (sulfonylureas), regulatory documents note that clinical studies have not established conclusive evidence of macrovascular risk reduction (effects on large blood vessels). Regulatory warnings indicate that, like all drugs in this class, Efikas carries the risk of producing severe hypoglycemia.


Q: Are there any restrictions on driving or operating machinery while on Efikas?

The drug’s effect on blood sugar may lead to hypoglycemia (very low blood sugar), a state that can impair concentration and reaction. Official information notes that this impairment presents a potential risk in situations requiring focused attention, such as driving or operating machinery.


Q: Can Efikas interact with herbal supplements like St. John's Wort?

Regulatory information advises caution regarding herbal remedies and supplements. They are not tested with the prescription drug in the same way as other medicines and may interfere with blood sugar control, potentially leading to low blood sugar.


Q: Do studies support the use of Efikas for people with [Specific Condition Efikas treats]?

Official regulatory sources confirm that Efikas is indicated for the treatment of Type 2 diabetes mellitus in adults. Research supports its use to help control blood glucose levels when diet and exercise alone are considered insufficient.


Q: What should I do if I notice a change in my skin after starting Efikas?

Allergic skin reactions including rash, itching, and hives have been reported with this medicine. Severe skin reactions are sometimes associated with the need for discontinuation. There is also a rare possibility of more serious, severe skin conditions.


Q: How is Efikas eliminated from the body?

According to the official product information, Efikas is extensively processed in the body by metabolism. The resulting inactive substances are primarily eliminated via the urine (60% to 70%) and to a lesser extent via the faeces.


Q: What are the general safety classifications given to Efikas by major agencies?

Official warnings advise against its use in patients with a specific genetic condition called Glucose-6-phosphate dehydrogenase (G6PD) deficiency due to the risk of hemolytic anemia (destruction of red blood cells). It is also generally contraindicated during pregnancy and breastfeeding.


Q: Is it possible for Efikas to lose its effectiveness over time?

Regulatory information notes that a loss of control of blood glucose may occur for people stabilized on any diabetes regimen when exposed to severe physical or emotional stress, such as fever, trauma, infection, or surgery.


Q: Does Efikas have any known interaction with alcohol consumption?

Official product information advises against the consumption of alcohol while taking Efikas. It states that alcohol can unpredictably alter the control of diabetes and may intensify the blood sugar-lowering effect of the medicine.


Q: What conditions make a person ineligible to take Efikas?

Official documents list several conditions that prevent the use of Efikas (contraindications). These include Type 1 diabetes mellitus, diabetic ketoacidosis, severe kidney or liver disease, and a known allergy to the drug or other medicines in the same class.


Q: How long does Efikas typically stay in your system after stopping it?

The mean elimination half-life of the active substance in the body is approximately 10.4 hours. This is the time it takes for half the drug to be processed. The full duration of action and complete clearance can take longer.


Q: Can Efikas be used by pregnant or breastfeeding women (general description)?

Regulatory guidance states that the drug is not usually recommended for use during pregnancy or breastfeeding. Alternative treatments for blood sugar control, such as insulin, are often considered in these situations.


Q: What are the most common reported side effects of Efikas?

According to official product information, the most frequent adverse reaction is hypoglycemia, or very low blood sugar. Other common reported effects include gastrointestinal disturbances like nausea and diarrhea, as well as various skin reactions.


Q: Is Efikas an addictive or habit-forming drug?

Official regulatory warnings do not include the risk of addiction or habit formation associated with Efikas. It is not classified as a controlled substance.


Q: Does Efikas affect the results of any common lab tests?

Laboratory values may occasionally show mild to moderate elevations. Regulatory documents note that changes in tests for liver function and kidney function, such as BUN and creatinine, have been observed with this class of drugs.


Q: Can I take Efikas if I have a history of kidney problems?

Efikas is contraindicated (not recommended) in cases of severe kidney disease. Dosing considerations and close monitoring are typically needed for individuals with mild to moderate kidney impairment.


Q: What is the risk of an allergic reaction to Efikas?

The drug is contraindicated if a patient has a known allergy to the active ingredient or other related medicines (sulfonylureas). Allergic skin reactions such as rash, itching, and hives have been reported as potential side effects.


Q: Does Efikas interact with birth control pills?

Official regulatory data suggests that Efikas does not affect the effectiveness of oral contraceptives. However, the contraceptive pills may sometimes cause a slight increase in blood sugar levels, which could require an adjustment of the Efikas dosage.


Q: Can Efikas cause problems with sleep?

Sleep disorders and disturbances, including drowsiness, are reported as possible symptoms of hypoglycemia (low blood sugar). Since low blood sugar is the most frequent adverse reaction, it may indirectly lead to sleep-related issues.


Q: What are the rules for storing Efikas (factual, non-directive)?

General storage instructions advise keeping the medicine in its original packaging in a cool, dry place. The recommended temperature for storage is typically below 30 C and away from direct moisture.


Q: Why is Efikas not recommended for people with [Specific Contraindication]?

Efikas is not recommended for conditions such as Type 1 diabetes because its mechanism as an insulin secretagogue requires the pancreas to still have functional beta-cells. It is also contraindicated in severe organ failure because of the heightened risk of serious hypoglycemia.


Q: How common are serious side effects from Efikas?

The most frequent serious adverse reaction is hypoglycemia, or severe low blood sugar, which can be life-threatening. Other serious, though rare, reactions can include severe skin conditions (e.g., Stevens-Johnson syndrome) and specific blood disorders.


Q: Does Efikas have an impact on mood or mental health?

Symptoms of hypoglycemia (the most frequent adverse reaction) can include changes in mental state. These can manifest as agitation, aggression, reduced awareness, depression, or confusion.


Q: What are the official warnings listed for Efikas?

Official warnings for this drug class include the potential for severe hypoglycemia. Other official warnings include the risk of hemolytic anemia in patients with G6PD deficiency and the potential for severe hypoglycemia.


Q: What are the most important things to check before starting Efikas?

Before starting, official documents indicate it is important to check for existing medical conditions that would prevent its use (contraindications). These include severe kidney or liver disease, Type 1 diabetes, or a history of allergy to Efikas or related drugs.

How should Efikas be stored and disposed of?

Efikas (Gliclazide) must be stored and handled according to the instructions provided in its official regulatory labeling to ensure product quality and stability.

Storage Requirements

  • Labeled Storage Temperature: Store the tablets at a temperature not exceeding 25 C or below 30 C, depending on the specific formulation [1.1, 1.6]. Some official labels state the product does not require any special storage conditions beyond these temperature limits [1.2, 1.5].
  • Environmental Protection: The medicine must be protected from moisture and should be kept in the original pack until the time of use [1.1, 2.3].
  • Child Protection: It is a mandatory requirement to keep this medicine out of the sight and reach of children [2.1].

Disposal Instructions

  • Official Disposal: Any unused or expired medicinal product must be disposed of in accordance with local requirements [1.5, 2.1].
  • Environmental Restriction: To prevent environmental contamination, users are instructed not to throw away any medicines via wastewater or household waste [2.1]. Consult a pharmacist for proper disposal methods.

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

Available in countries:

Equivalent of Efikas found in:

A-Z Index: