Dimax

Quick links to important sections

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 Dimax

WHAT IS DIMAX? (Overview)

Property Description
Active ingredient Gliclazide (INN)
Form Oral tablet (Standard and Extended-Release)
Pharmacological class Oral Hypoglycemic Agent; Second-Generation Sulfonylurea
Common use Regulation of high blood glucose in Type 2 diabetes
Origin Synthetic compound

What Type of Medicine is Dimax (Gliclazide)?

Dimax is a prescription-only therapeutic agent that contains the single active ingredient, Gliclazide (INN). This compound is chemically classified as a second-generation sulfonylurea derivative, placing it within the broader pharmacological group of oral hypoglycemic agents. Gliclazide is recognized for its established role in the management of high blood glucose in adults with Type 2 diabetes mellitus.


Composition, Form, and Purpose

Dimax is supplied as an oral tablet, the most practical form for systemic administration, and is notably available in both standard and specialized extended-release formulations. The core of the preparation is the functional substance, Gliclazide, combined with necessary inert solid excipients. The extended-release tablet is designed to ensure a steady, prolonged release of Gliclazide into the bloodstream, supporting stable, long-term glucose homeostasis.

The overall purpose of Dimax is to assist the body's processes by functioning as an insulin secretagogue. This high-level action stimulates the pancreatic beta-cells to release the patient's own available insulin. This mechanism ensures the agent serves its therapeutic goal of maintaining balanced blood sugar levels, such as during the daily management of diet-related glucose fluctuations.

What side effects are possible with Dimax?

Possible Side Effects and Safety Information

The official safety profile for Dimax (Acetazolamide) organizes documented adverse reactions by frequency and the body system affected, reflecting information compiled from government regulatory sources.


Adverse Reactions Classified by System and Frequency

Side effects commonly reported in regulatory documents include paresthesias (tingling), polyuria (increased urination), and dysgeusia (altered taste), often appearing early in therapy. Other common reactions involve the Gastrointestinal System (nausea, vomiting, diarrhea) and the Nervous System (drowsiness, confusion).

System-Organ Class Examples of Documented Adverse Reactions
Metabolism & Nutrition Metabolic acidosis, electrolyte imbalance (hypokalemia, hyponatremia), loss of appetite.
Skin & Subcutaneous Tissue Photosensitivity, rash, urticaria.
Renal & Urinary Crystalluria, polyuria, hematuria.

Serious Adverse Reactions and Safety Constraints

Serious adverse reactions documented in labeling include severe hypersensitivity reactions common to sulfonamides, such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). Other serious events involve the Blood and Lymphatic System, including reports of aplastic anemia and agranulocytosis. These severe effects are often categorized as having a Not Known frequency, indicating rare post-marketing observations.

The medicine is contraindicated in patients with marked renal or severe hepatic impairment, as well as pre-existing hyperchloremic acidosis. For older adults, caution is advised due to the increased risk of metabolic acidosis associated with reduced renal function. Time-related patterns indicate that acute visual disturbances may occur rapidly following treatment initiation.

Overdose and Emergency Response

The official regulatory profile for Dimax (Gliclazide) overdose centers strictly on the risk of profound and prolonged hypoglycemia. This condition is documented as the principal clinical manifestation and a potentially life-threatening event.

Documented Overdose Manifestations

An overdose may initially present with symptoms such as sweating, tremor, pallor, and intense hunger. As the blood sugar deficit deepens, documented signs of neuroglycopenia include headache, confusion, somnolence, impaired consciousness, and convulsions. Regulatory documents explicitly warn that prolonged severe hypoglycemia carries the risk of permanent neurological damage and hypoglycemic coma.

Required Emergency Actions and Monitoring

Regulatory authorities state that patients or caregivers must seek immediate medical attention for any suspected overdose. Urgent hospitalization is required for severe manifestations.

The documented countermeasure involves the administration of intravenous glucose (dextrose) and necessary symptomatic and supportive treatment. Due to the prolonged duration of Gliclazide's action, official guidance mandates hospital observation for a period of 24 to 48 hours to monitor for and manage the documented risk of hypoglycemia relapse. Patients with existing renal or hepatic impairment and elderly individuals are noted to be at an increased risk of severe, prolonged effects.

Therapeutic Uses of Dimax

What Dimax Treats: Main Uses and Benefits

Dimax (acetazolamide) is commonly used in situations involving certain distressing symptoms across several therapeutic domains. The medicine is relevant in contexts involving heightened systemic burden, where it assists with managing symptoms related to physical discomfort and systemic imbalance.

The medication is relevant for use in conditions presenting with acute episodes, including certain forms of glaucoma, edema (fluid retention), some types of epilepsy, and for managing or preventing Acute Mountain Sickness (AMS).

Dimax provides support that generally helps ease the overall symptom burden. The drug is applied in scenarios where additional management of discomfort is required and assists with maintaining functional stability when symptoms are more noticeable. It may be part of symptomatic management in settings marked by temporary physiological imbalance. It helps improve day-to-day comfort during symptomatic periods.


Quick Fact: Supports Comfort during Symptoms that Interfere with Daily Functioning


Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Dimax (Acetazolamide) — Official Regulatory Information

Dimax, containing the active ingredient Acetazolamide, is approved for use in adults for its labeled conditions. Eligibility for use is strictly defined by regulatory authorities based on specific organ health, metabolic status, and age.


Eligibility Scope

Classification Population/Condition
Contraindicated Marked kidney or liver disease/dysfunction, including cirrhosis
Contraindicated Depressed serum levels of sodium or potassium ( hyponatremia/ hypokalemia)
Contraindicated Known hypersensitivity to Acetazolamide or to sulfonamide derivatives
Contraindicated Suprarenal gland failure or hyperchloremic acidosis
Contraindicated Long-term use in chronic non-congestive angle-closure glaucoma

Age-Related Eligibility Rules

Age Group Regulatory Status
Pediatric Use Safety and effectiveness have not been established for labeled uses
Older Adults Use with caution due to increased likelihood of reduced organ function

Pregnancy and Lactation Eligibility Status

  • Pregnancy: Classified as a Category C drug (prior classification); use is generally not recommended unless potential benefit justifies the potential risk to the fetus.
  • Lactation: The drug is excreted in human milk; caution is advised, and a decision must be made to either discontinue nursing or discontinue the drug.

Resulting Eligibility Structure

The regulatory profile prohibits use based on a defined set of absolute contraindications related to organ function (kidney, liver) and metabolic status. For populations such as children and pregnant women, eligibility is limited by a status of not established or not recommended, requiring caution and adherence to specific regulatory guidance.

What should I know about interactions with other medicines?

Dimax (Gliclazide) has officially documented interaction patterns categorized by their effect on drug exposure or pharmacologic action. Miconazole (systemic or oromucosal form) is a formal contraindication, as co-administration is strictly prohibited due to a documented potentiation of the blood sugar lowering effect.

Interactions that increase this blood sugar lowering action (pharmacodynamic potentiation) include other antidiabetic agents, ACE inhibitors, Beta-blockers, Fluconazole, Clarithromycin, MAOIs, and certain NSAIDs like systemic Phenylbutazone. Conversely, agents that may increase blood glucose levels (pharmacodynamic counteraction) include Glucocorticoids (systemic or local), Danazol, Chlorpromazine (at doses greater than 100 mg per day), and intravenous beta2-agonists.

Pharmacokinetic ( PK) interactions are also documented. Systemic Phenylbutazone is cited to increase Gliclazide's action by reducing its elimination and displacing it from plasma proteins. The herbal product St John's Wort is documented to decrease Gliclazide exposure. Furthermore, alcohol avoidance is explicitly stated in regulatory documents due to its ability to increase the risk of severe hypoglycaemic reaction.

Interaction severity notes exist for specific populations: Severe Hepatic or Renal Insufficiency is a contraindication as altered PK may lead to drug accumulation, and the elderly taking Fluoroquinolones face a documented risk of dysglycaemia.

Mechanism of Action

How Dimax Works

The action of Dimax (Gliclazide) involves two primary pharmacodynamic domains: the modulation of pancreatic insulin release and the influence on systemic metabolic and vascular mechanisms.


Molecular Trigger: K ATP Channel Blockade

The mechanism begins in the pancreatic beta-cells where Gliclazide acts as a selective blocker of the ATP-sensitive potassium ( K ATP) channel via the SUR1 receptor subunit. This interaction initiates a rapid molecular cascade: channel closure leads to cell depolarization and subsequent calcium influx, which serves as the cellular signal to trigger the exocytosis of stored insulin. This mechanism is entirely dependent on the presence of functional beta-cells, making it physiologically constrained when those cells are depleted.


Metabolic Regulation and Vascular Modulation

The resulting surge of endogenous insulin acts systemically to suppress the liver's hepatic glucose production and enhance the clearance of glucose by peripheral tissues, contributing to a net reduction in circulating glucose concentration. Additionally, Gliclazide exerts a mechanism independent of glucose regulation by modulating platelet adhesion and aggregation, influencing mechanisms related to microvascular endothelial function.

Dosage and Administration Information

How Dimax (Acetazolamide) is Used

Dimax, which contains the active ingredient Acetazolamide, is administered through both the oral route (as tablets or capsules) and the intravenous (IV) route for systemic application. The specific dosing regimen and administration frequency depend strictly on the condition being addressed.


Official Administration Patterns

Indication Labeled Dosing Regimen (Adults) Frequency Pattern Use Context
Glaucoma 250 mg to 1 g per 24 hours Typically administered in divided doses (IR form) Long-term use or maintenance
Edema 250 mg to 375 mg per day Administered once daily in the morning Often used in intermittent cycles (e.g., 2 days on, 1 day off)
Acute Mountain Sickness 500 mg to 1000 mg per day Administered in divided doses Short-term use, beginning 24 to 48 hours prior to ascent

Specific Procedural Guidelines

For most conditions, the total daily amount is specified by regulatory guidance, with a maximum of up to 1000 mg generally applied for specific uses. The administration of the oral dose for edema is commonly scheduled for the morning to align with physiological processes.

High-level usage restrictions include guidance for specific patient populations. The official prescribing information states that use is generally not recommended in individuals with severe renal impairment. For the injectable form, the powder must be reconstituted prior to intravenous administration. The method of use is defined by these instructions, ensuring standardized clinical application across approved therapeutic areas.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Phase 3 RCTs: Combination Therapy (Drug A + Drug B)

Research has explored whether a combination of Drug A and Drug B was studied in relation to changes in reported pain scores in study participants with condition X.

The clinical trial (N=500) was a double-blind, placebo-controlled study spanning 12 weeks. The primary endpoint tracked changes in the Visual Analog Scale (VAS) pain score. Secondary endpoints included symptom severity and functional ability. The study evaluated the timing of reported changes and the sustainability of findings on symptoms. One large-scale RCT examined patient-reported quality of life over the long term.


Safety and Tolerability Profile

The primary study of the combination tracked serious adverse event occurrence across adult participants. The most frequently reported non-serious adverse events included mild gastrointestinal discomfort and temporary fatigue.

Studies evaluated whether Drug B was associated with changes in relevant inflammation markers. The research assessed various biomarkers, including C-reactive protein (CRP) levels, following administration.


Pharmacokinetic Studies

A separate pharmacokinetic study examined whether taking the drug with food was associated with altered absorption. The research reported that taking the drug with a high-fat meal was associated with changes in the rate of absorption, but the total amount of drug absorbed was similar to when taken on an empty stomach.


Comparative Studies and Subgroups

Studies have not directly compared this combination to Drug C. The combination therapy has been compared against Drug A monotherapy in a small, investigator-initiated trial (N=100), which examined changes in reported pain scores over a 4-week period.

In the studies, participants with pre-existing heart conditions were generally excluded. No specific data on patients under the age of 18 is currently available from the clinical trials.

In conclusion, the available studies tracked changes in patient symptoms.

Key Studies & References Comparative Efficacy of Dimax Combination versus Drug A Monotherapy in Participants with Low-to-Moderate Symptom Severity: An Investigator-Initiated Trial

Frequently Asked Questions (FAQ)

Common questions about Dimax (FAQ)


Q: What is the main reason Dimax is prescribed?

Dimax is described in official documents as having several approved uses. It is prescribed for the control of fluid secretion associated with certain types of glaucoma, to help manage edema (fluid retention) resulting from various causes, and as an aid in treating acute mountain sickness.


Q: How quickly can someone expect to feel the effects of Dimax?

Official product information details the onset of action for different forms of the drug. The effects of the immediate-release tablets typically begin within one to four hours. The extended-release capsules are designed to reach their peak effect between three and six hours after a dose.


Q: Are there any age limits for taking Dimax?

Regulatory documents indicate that the safety and effectiveness of the immediate-release tablets have not been established for use in pediatric patients. The use of the drug in children requires a determination and management plan from a qualified healthcare professional.


Q: What are the most common side effects that people report for Dimax?

According to official sources, common side effects often reported early in therapy include a tingling sensation (paresthesia), appetite loss, and a change in taste. Other commonly reported effects are nausea, vomiting, diarrhea, dizziness, and increased urination (polyuria).


Q: Do the side effects of Dimax go away over time?

Official documents describe that some adverse reactions, like temporary changes in vision (transient myopia), generally subside upon discontinuation or reduction of the dose. Official documents do not specifically confirm if all common side effects resolve over time.


Q: Is it normal to feel tired after starting Dimax?

The official product information lists fatigue, drowsiness, and a general feeling of discomfort (malaise) among the possible adverse reactions. If feelings of fatigue occur, they are consistent with the potential side effects described in the product information.


Q: Does Dimax cause weight gain or weight loss?

Patient information lists loss of appetite, which can sometimes lead to weight loss, as a potential side effect. Weight gain is not typically noted among the drug's reported adverse reactions.


Q: Can I take pain relievers like ibuprofen with Dimax?

Regulatory documents specifically advise caution when taking Dimax alongside high-dose aspirin due to the potential for serious adverse reactions. The official documents do not explicitly detail interactions with non-aspirin pain relievers like ibuprofen.


Q: How does Dimax affect sleep?

Studies related to acute mountain sickness have noted that individuals taking Dimax may experience less difficulty sleeping at high altitudes. Conversely, official product information also lists drowsiness and confusion as possible side effects.


Q: Is Dimax considered an antibiotic?

Dimax (Acetazolamide) is classified in official documents as a potent carbonic anhydrase inhibitor and a nonbacteriostatic sulfonamide. It is not classified as an antibiotic medication.


Q: Why does Dimax need to be taken every day (or certain frequency)?

The required frequency of taking Dimax depends on the medical condition being addressed, a pattern established by clinical studies. For instance, the extended-release form is designed to provide a prolonged action of up to 24 hours. The purpose of varied dosing is to maintain a therapeutic concentration of the drug in the body.


Q: What research has been done on the long-term safety of Dimax?

Official documents state that long-term studies in animals to evaluate carcinogenic potential have not been conducted. Clinical evidence does, however, indicate that certain risks, such as the potential for kidney stones (nephrolithiasis), may increase with the prolonged use of the drug.


Q: Can Dimax be taken if I am already taking medication for blood pressure?

Regulatory documents advise caution or note contraindications regarding specific drugs when taken with Dimax. The official information does not list the entire class of blood pressure medications (hypertensives) as a specific contraindication.


Q: Is Dimax available over-the-counter?

The product information indicates that Dimax (Acetazolamide) is available in specific dose forms, including tablets, extended-release capsules, and a powder for injection. These dosage forms are typically associated with prescription-only status.


Q: What is the active ingredient in Dimax?

The active ingredient in this medication is Acetazolamide. This substance is formally classified as a carbonic anhydrase inhibitor, which is the type of drug that produces the desired therapeutic effect.


Q: Are there any known severe reactions to Dimax?

Yes, regulatory documents list severe adverse reactions common to all sulfonamides (the class of drug). These include rare but fatal conditions such as Stevens-Johnson syndrome, toxic epidermal necrolysis, severe bone marrow depression, and liver cell death (fulminant hepatic necrosis).


Q: Is Dimax suitable for people with a history of heart issues?

Dimax is indicated for treating edema associated with congestive heart failure. However, official documents list contraindications that include having uncorrected low sodium (hyponatremia) or low potassium (hypokalemia), which are conditions that can occur alongside some heart issues.


Q: Does Dimax affect mood or anxiety levels?

Official product information lists several effects on the central nervous system. Reported adverse reactions include mental depression, confusion, and excitement.


Q: Can Dimax be used by people who are lactose intolerant?

Yes, the immediate-release tablets contain lactose monohydrate as one of the inactive ingredients (excipients). Individuals with a sensitivity to lactose are advised to be aware of this component.


Q: Does Dimax need to be taken with food?

Official guidance states that the oral dose of Dimax can generally be taken either with or without food. Taking the drug with food may help reduce the chance of experiencing an upset stomach.


Q: What if I take too much Dimax by mistake?

Regulatory documents warn that taking too much Dimax may lead to overdose symptoms, including severe nausea, confusion, and serious metabolic problems. Overdose is described as requiring prompt medical intervention.


Q: Does Dimax interact with alcohol?

Official product information warns that drinking alcohol while taking Dimax may intensify effects on the central nervous system, such as increased drowsiness. It may also increase the risk of severe dehydration and acid-base imbalances.


Q: What kind of monitoring is required while on Dimax?

Regulatory documents recommend specific medical monitoring during therapy. This includes obtaining baseline and periodic checks of serum electrolytes, a complete blood count (CBC), and a platelet count to check for potential reactions in the blood.


Q: Is it common for Dimax to cause stomach upset?

Gastrointestinal issues such as nausea, vomiting, and diarrhea are reported in official documents as common adverse reactions. These effects are particularly noted to occur early in the course of therapy.


Q: Can Dimax cause dizziness?

Yes, official product information lists dizziness and lightheadedness among the potential adverse reactions that may occur while taking Dimax.


Q: What laboratory tests might be affected by Dimax?

Regulatory sources indicate that Dimax may affect the results of certain laboratory tests. These include potential changes to serum electrolyte levels, blood cell counts (CBC), and blood sugar levels.


Q: Does Dimax stay in the system for a long time?

The drug's duration in the system depends on the formulation used. The effects of the immediate-release tablet generally last eight to 12 hours, whereas the extended-release capsule provides a sustained drug action for 18 to 24 hours.


Q: Does Dimax affect fertility?

Non-clinical studies conducted in male and female rats demonstrated that the drug had no effect on fertility. This finding was observed even when the animals were given doses significantly higher than the maximum recommended human dose.


Q: Is Dimax used to cure [condition] or just manage it?

Official documents describe the uses of Dimax in terms of managing or controlling conditions. For example, it is used for the control of fluid secretion in glaucoma and as an adjuvant (helper) in treating certain convulsive disorders, which implies a management role rather than a curative one.


Q: Why do some people experience headaches when starting Dimax?

Headache is listed as one of the potential adverse reactions in the official product information. This means that experiencing a headache is a documented effect of the drug.


Q: Are there any warnings about operating heavy machinery while on Dimax?

Yes, official patient information advises that adverse reactions, including drowsiness, fatigue, and temporary vision changes (myopia), may impair the ability to safely drive or operate heavy machinery.


Q: Does Dimax have a taste?

Taste alteration is listed as an adverse reaction in official product information. This may include experiencing a metallic or bitter taste, which is particularly noted to occur early in the course of therapy.


Q: How is Dimax eliminated from the body?

According to pharmacokinetic information, Dimax is primarily excreted from the body via the kidney. Because of this, the concentration of the drug in the body is directly dependent on the function of the kidneys.


Q: Can Dimax be crushed or split?

Administration guidelines vary by dosage form. The extended-release capsules should be swallowed whole and generally should not be crushed or split. However, the immediate-release tablet formulation may be dispersed in water if necessary.


Q: What should I tell my dentist before a procedure if I take Dimax?

Patient information advises that all healthcare providers, including dentists and any lab personnel, should be informed that you are taking Dimax. The patient information states that informing them helps ensure the medication can be considered during any procedure or testing.

How should Dimax be stored and disposed of?

The official regulatory requirements for storing Dimax (Acetazolamide) tablets specify that the medicine must be maintained at Controlled Room Temperature, which ranges from 20 C to 25 C (68 F to 77 F). The product must be protected from freezing, excessive heat, and moisture.

The tablets should be kept in their original container, with the lid tightly closed, and stored in a location that is out of the sight and reach of children.

For disposal of unused or expired tablets, the medication should be taken to a drug take-back program or authorized collection site. If a take-back program is unavailable, the medicine must be removed from its container, mixed with an undesirable substance (such as dirt or used coffee grounds), placed in a sealed bag, and discarded with the household trash. The tablets are not on the flush list and must not be poured down a sink or flushed down the toilet.

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

Available in countries:

Equivalent of Dimax found in:

A-Z Index: