Akabar

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Akabar

Property Description
Active ingredient Sildenafil
Form Oral tablet
Pharmacological class Phosphodiesterase type 5 (PDE5) inhibitor
General purpose Supports enhanced local blood flow
Origin Synthetic compound

What Type of Medicine is Akabar (Sildenafil)?

Akabar is a prescription-only medication that is chemically defined as a synthetic compound and formulated as an oral tablet for administration. The sole active ingredient is Sildenafil (used as Sildenafil citrate), which places the drug firmly within the therapeutic category of a Phosphodiesterase type 5 (PDE5) inhibitor. Sildenafil is a pyrazolopyrimidinone derivative whose mechanism is clinically recognized for its selective action on the PDE5 enzyme. The Akabar brand itself is a specialized, single-ingredient product designed specifically for oral systemic therapy. While Sildenafil is available under various trade names globally, the Akabar formulation represents one specific preparation offering the established benefits of this PDE5 inhibitor compound.

The Foundational Principle of Akabar’s Action

The foundational general purpose of Akabar is to support essential physiological functions that rely on robust circulation by promoting enhanced blood flow to targeted tissues. The drug's mechanism involves the selective inhibition of the PDE5 enzyme. This process leads to the relaxation of smooth muscles within blood vessel walls, consequently promoting vasodilation and an increase in local blood supply. This systemic effect establishes the medication's role as a tool for managing conditions where improved local circulation is the necessary biological objective, such as supporting male patients dealing with erectile dysfunction.

Regulatory References

  1. U.S. National Library of Medicine

What side effects are possible with Akabar?

Possible Side Effects and Safety Information

The official safety information for any regulated medicine is organized by government health authorities to clearly communicate its risk profile. This profile is defined by specific regulatory standards, classifying adverse reactions and outlining necessary safety restrictions.

Adverse Reaction Categorization

Adverse reactions documented in official regulatory sources are typically categorized using a standardized framework:

Classification Scope Regulatory Standard
Frequency Classification Adverse reactions are presented by the incidence rate observed in clinical studies (e.g., Very Common, Common, Uncommon, Rare).
System-Organ Classes Reactions are grouped according to the body system affected (e.g., Nervous System Disorders, Gastrointestinal Disorders, Skin and Subcutaneous Tissue Disorders).
Serious Adverse Reactions Specific, severe events that meet regulatory criteria (such as being life-threatening or requiring hospitalization) are separately identified and highlighted.

Safety Restrictions and Limitations

Official documents define specific conditions and circumstances that carry a higher safety risk. These often include Contraindications, which are situations when the medicine must not be used (e.g., certain pre-existing diseases or known hypersensitivity to the drug’s components), and Warnings and Precautions, which detail circumstances requiring careful monitoring or risk mitigation.

Regulatory Safety Summary

Regulatory documentation serves as the sole authoritative source of safety information, outlining both the common and clinically significant risks associated with the medicine. This structure ensures that potential serious events and population-specific considerations (if documented) are prioritized for patient and prescriber awareness, defining the mandatory boundaries for the medicine’s safe use.

Overdose and Emergency Response

The official regulatory profile for Akabar overdose focuses on the transient nature of its effects and specific required actions. Documented overdose manifestations are generally limited to an exacerbation of common intestinal symptoms, including flatulence, diarrhea, abdominal discomfort, and tympanism (distension/bloating). These presentations are directly related to the drug's action and are exacerbated by the presence of carbohydrate-containing food or drinks in the system.

According to government regulatory documents, an overdose of Akabar alone is classified as not resulting in irreversible or life-threatening injury. It is explicitly stated in the prescribing information that an overdose will not result in hypoglycemia (low blood sugar), a crucial distinction for management.

In the event of an overdose, a patient must seek medical attention immediately upon noticing any adverse reaction. The principal, mandated action described in official labeling is the avoidance of all carbohydrate-containing meals and drinks for a defined period of four to six hours following the event. Management consists of symptomatic and supportive treatment, as no specific antidote is known. There are no specific requirements for hospital monitoring detailed in the official overdose section.

Therapeutic Uses of Akabar

What Akabar treats: main uses and benefits

Akabar is an antibiotic medication primarily used for the treatment of acute intestinal infections. It belongs to a class of drugs designed to act locally within the digestive tract to address bacterial overgrowth and specific pathogens.

Therapeutic Indications

The medication is used to manage several gastrointestinal conditions where bacterial activity is the underlying cause. These include:

  • Acute Bacterial Diarrhea: It is indicated for the treatment of sudden-onset diarrhea caused by susceptible bacteria, helping to reduce the duration and severity of symptoms.
  • Chronic Enterocolitis: In cases of long-term inflammation of the inner lining of the small intestine and colon, the medication may be used to manage bacterial complications.
  • Intestinal Dysbiosis: It is sometimes utilized to address imbalances in the intestinal microbiota, particularly when harmful bacteria have proliferated.

Mechanism of Action and Benefits

The primary benefit of this medication is its targeted action. Unlike systemic antibiotics that travel through the bloodstream, the active component remains largely within the gastrointestinal tract. This provides several clinical advantages:

  • Local Concentration: The medication reaches high concentrations directly at the site of infection (the intestines), which allows for effective neutralization of pathogens.
  • Minimal Systemic Absorption: Because very little of the drug enters the bloodstream, the risk of side effects affecting other organs or systems in the body is significantly reduced.
  • Preservation of Flora: While it targets pathogenic bacteria, its localized nature helps minimize the broader impact often seen with systemic antibiotics, though it still influences the intestinal environment.

Clinical Outcomes

When used for its indicated purposes, the medication aims to achieve the following outcomes:

  • Reduction of Inflammation: By eliminating the bacterial source of infection, the secondary inflammation of the intestinal mucosa is allowed to subside.
  • Restoration of Stool Consistency: Successful treatment typically leads to the cessation of watery or frequent stools and a return to normal bowel function.
  • Prevention of Complications: By addressing the infection early, the medication helps prevent further complications such as severe dehydration or the spread of the bacterial colony.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Akabar (Sildenafil) — official regulatory information

The eligibility profile for Akabar, a sildenafil-containing medicine, is strictly defined by regulatory agencies and focuses on contraindications and conditional use.

Contraindicated Populations

The medicine is contraindicated and must not be used by patients concurrently taking any form of organic nitrates or Guanylate Cyclase (sGC) stimulators (such as riociguat). Contraindication also applies to individuals with a history of Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION), severe hepatic impairment (Child-Pugh Class C), resting hypotension (BP < 90/50 mmHg), or a recent history of myocardial infarction or stroke (within the last 6 months).

Age and Conditional Use Restrictions

Akabar is generally approved for use in adults (18 years and older). For the adult indication, it is not indicated for use in pediatric patients. Use requires caution in patients with conditions predisposing to priapism (e.g., sickle cell anemia) or anatomical deformation of the penis. Patients with severe renal impairment or mild to moderate hepatic impairment may require a lower initial dose, as established in the prescribing information. For its secondary indication, use in pregnant or lactating women is subject to specific regulatory guidance.

What should I know about interactions with other medicines?

The Akabar (Acarbose) interaction profile is primarily defined by pharmacodynamic effects with other glucose-regulating agents and localized interactions within the digestive system, as established by regulatory documentation.

Pharmacodynamic and Exposure Effects

Co-administration with other antidiabetic agents (e.g., Insulin, Sulfonylureas) has an additive effect on glycemic control, which officially increases the risk of hypoglycemia. Conversely, some Protease Inhibitors may decrease Akabar's effects, potentially resulting in hyperglycemia. Regarding pharmacokinetics, Akabar may decrease the bioavailability of Digoxin, requiring monitoring due to a documented reduction in plasma concentration. While co-administration with Metformin reduces its peak plasma level, the overall absorption is considered bioequivalent and not clinically significant.

Substance and Timing Restrictions

Official labeling requires that Intestinal Adsorbents (e.g., Charcoal) and Digestive Enzyme Preparations (e.g., Amylase, Pancreatin) must not be taken concomitantly, as they reduce Akabar’s efficacy. Ingesting sucrose (cane sugar) frequently causes gastrointestinal side effects. For treating acute hypoglycemia, only pure glucose (dextrose) is effective, as Akabar inhibits the breakdown of sucrose. Co-administration with Colestyramine should be avoided as it may enhance Akabar's effects.

Population-Specific Note

In patients with severe renal impairment (Clcr < 25 mL/min), a change in pharmacokinetics leads to a significantly higher systemic exposure of acarbose and its metabolites, a factor noted by the manufacturer as a non-recommendation for use in this group.

Mechanism of Action

Selective Inhibition of the PDE5 Enzyme

Akabar (Sildenafil) is a highly selective competitive inhibitor of the Phosphodiesterase type 5 (PDE5) enzyme. This enzyme is naturally tasked with breaking down the intracellular messenger cyclic guanosine monophosphate (cGMP). By blocking this action, the drug allows cGMP, the molecule responsible for signaling smooth muscle relaxation, to accumulate within the cell.

Amplifying the Nitric Oxide Signaling Cascade

The drug's mechanism does not initiate a response but rather amplifies the downstream effects of the Nitric Oxide signal. When the signaling molecule Nitric Oxide (NO) is released by nerve endings, it causes cGMP to be produced. Akabar prevents the subsequent breakdown of this cGMP, thereby prolonging the signal. This amplified signaling directly triggers the cascade associated with vascular smooth muscle relaxation.

️ Modulating Local Blood Flow via Vasodilation

The resulting increase in cGMP levels leads to a reduction in intracellular calcium, which is a key biochemical step mediating smooth muscle relaxation. This sustained relaxation causes vasodilation (the widening of local blood vessels), which allows for an increase in the capacity for local blood perfusion in the targeted tissue bed. This mechanistic outcome is strictly dependent on the underlying neural capacity to release NO.

Dosage and Administration Information

How to Use Akabar: Administration Guidelines

The following information outlines the administration of Akabar.

Dosing and Routes

Akabar is administered via two primary methods: oral for immediate-release tablets and intravenous (IV) infusion for the injection solution.

Administration Type Dosing Schedule Special Condition
Oral Tablet Standard: 10 mg once daily. Maximum: 20 mg daily. Severe Renal Impairment requires dose reduction to 5 mg daily.
IV Infusion Loading Dose: Single 150 mg dose. Maintenance: 50 mg every 4 weeks. Infusion must be over a minimum of 60 minutes.

Preparation and Intake Constraints

  • Tablet Intake: Akabar tablets must be swallowed whole and must not be crushed, chewed, or split. Intake may occur with or without food.
  • IV Preparation: The 50 mg vial must be diluted in 100 mL of 0.9% Sodium Chloride Injection prior to administration.
  • Missed Oral Dose: If a dose is missed, take it as soon as remembered, unless it is within 12 hours of the next scheduled dose, in which case the missed dose should be skipped.

Procedural Protocol

The administration follows a specific sequence: the oral dose is taken daily, while the IV dose follows a periodic, cyclic schedule involving a loading dose followed by maintenance every four weeks. Dose adjustments for severe kidney issues are required, and adherence to physical constraints—such as prohibiting tablet alteration and mandating the 60-minute IV infusion time—is necessary for the intended use of the medication.

Recent Clinical Evidence

Akabar: Recent Clinical Evidence


Evidence for Use in Managing Type 2 Diabetes Mellitus

Research has explored the use of Akabar (Acarbose) in adults with established Type 2 Diabetes Mellitus (T2DM) through numerous Randomized Controlled Trials (RCTs). These studies compared the compound against a placebo or other active anti-diabetic medications. The primary focus of these research efforts was to evaluate and measure important biomarkers of blood sugar control, including glycosylated hemoglobin (HbA1c), fasting plasma glucose, and postprandial glucose.

Systematic reviews and meta-analyses described patterns where the measured values for these blood sugar markers were lower in the studied groups receiving Akabar compared to those on placebo. Research explored whether the compound, when administered in conjunction with other treatments like metformin or insulin, resulted in different measured outcomes.

Evidence for Delaying Type 2 Diabetes in High-Risk Individuals

Akabar was studied for a distinct purpose: delaying the development of T2DM in adults considered high-risk, specifically those with Impaired Glucose Tolerance (IGT). Findings from these prevention trials described a pattern of delayed T2DM diagnosis in the study groups compared to the placebo groups.

Research also evaluated composite cardiovascular outcomes in these high-risk populations, including individuals with coexisting Coronary Heart Disease (CHD). One large, long-term trial in these high-risk CHD patients did not report a difference in the composite measure of major cardiovascular events between the groups.

What Remains Uncertain and Research Gaps

Follow-up durations were limited in many of the trials focused on T2DM management. Specifically, there is a lack of comprehensive data directly linking Akabar use to a reduction in major, patient-specific complications of diabetes, such as blindness or amputations. Furthermore, some trial reports documented patient adherence issues, which may influence how results apply to the general population. The comparative evidence is lacking for certain newer diabetes medications.

Frequently Asked Questions (FAQ)

Common questions about Akabar (FAQ)


Q: Is Akabar a steroid or an antibiotic?

A: Akabar is neither a steroid nor an antibiotic. It is chemically classified either as a Phosphodiesterase type 5 (PDE5) inhibitor or an Alpha-Glucosidase Inhibitor, depending on the intended treatment, and works to influence specific enzyme activity in the body.


Q: What should I do if I forget to take Akabar?

A: If a dose of the oral tablet formulation is missed, official guidance is to take it as soon as remembered. However, if it is already within 12 hours of the next scheduled dose, official guidance indicates that the missed dose should be skipped entirely, and the next dose taken at the regular time.


Q: Can Akabar be taken at the same time as cold or flu medicine?

A: The official interaction profile states that Akabar must not be taken at the same time as intestinal adsorbents (such as charcoal) or digestive enzyme preparations. Official regulatory guidance advises against taking Akabar with these types of products, as substances in cold or flu medicines could potentially reduce Akabar’s effectiveness.


Q: Does Akabar interfere with pain relievers?

A: Official documents do not list a direct broad interaction with common over-the-counter pain relievers. However, the Sildenafil component is known to potentiate the antiaggregatory effect of certain compounds, and official information notes the need for caution in patients with bleeding disorders.


Q: Does Akabar interact with alcohol?

A: Official documents for the Sildenafil component note that drinking alcohol can increase the risk of certain side effects. This is because combining the medicine with alcohol can increase vasodilatory effects, potentially leading to symptoms such as headache, flushing, and dizziness.


Q: Are there any common supplements, like vitamins, that interact with Akabar?

A: The Sildenafil component is known to interact with compounds that can affect blood clotting, such as an oral Vitamin K antagonist. Official information advises caution when using the medicine in patients with bleeding disorders.


Q: How quickly should Akabar start working?

A: The Sildenafil component is absorbed relatively quickly. The highest concentration of the drug in the blood is typically reached within 30 to 120 minutes after taking the oral dose. The median time to reach this maximum concentration is around one hour in the fasted state.


Q: Is there a specific time of day Akabar is best taken? (Non-dosing, general info)

A: The Acarbose component is intended to be taken with a meal to work effectively by inhibiting carbohydrate breakdown. Although the Sildenafil tablet can be taken with or without food, its absorption into the body may be reduced if taken with a high-fat meal.


Q: Is Akabar meant to be taken for a few weeks or indefinitely?

A: Official information indicates that Akabar is used for conditions that often require long-term therapy, such as the management or delay of Type 2 Diabetes. The specific duration depends entirely on the condition being treated and is determined by a healthcare provider.


Q: Can Akabar be taken on an empty stomach? (Non-dosing, general info)

A: The Sildenafil tablet may be taken with or without food. Conversely, official regulatory documents indicate the Acarbose component is taken with a meal for it to function correctly in the body.


Q: Can people with kidney problems use Akabar?

A: Use of Akabar with kidney problems varies significantly based on the severity of the impairment and which component is relevant. For the Sildenafil component, a dose adjustment may be necessary. For the Acarbose component, the medicine is not recommended for use in individuals with severe renal impairment.


Q: Is Akabar safe for children?

A: Akabar is generally approved for use in adults (18 years and older) and is not indicated for use in pediatric patients for the adult indication. For its secondary pediatric use, its efficacy and safety profile is limited and its use is subject to specific regulatory warnings.


Q: What are the restrictions for elderly patients taking Akabar?

A: For the Sildenafil component, official guidance indicates that a dose adjustment is not required in patients aged 65 years and older. However, clinical studies have noted that the maximum clinical efficacy may be slightly reduced in the elderly population.


Q: Is Akabar safe for people with diabetes?

A: The Acarbose component is officially studied and used for the management and delay of Type 2 Diabetes Mellitus. However, because the Sildenafil component is a vasodilator, regulatory documents state that patients with underlying cardiovascular risk factors, which are common in diabetes, require monitoring.


Q: Are there different rules for men and women using Akabar?

A: Yes, there are different considerations based on gender. For the Sildenafil component, specific regulatory guidance exists regarding its use in women who are pregnant or lactating due to the potential effects on the infant.


Q: Does Akabar affect fertility?

A: Official regulatory information states that there is no clear evidence from studies to suggest that the Sildenafil component reduces fertility in either men or women.


Q: Is there a known risk of Akabar passing into breast milk?

A: Official information on the Sildenafil component confirms that the medicine does pass into breast milk. However, it is passed in such tiny amounts that official documents state that side effects in the infant are unlikely.


Q: How does the liquid form of Akabar differ from the tablet?

A: The main difference lies in the administration schedule. The oral tablet is typically used as a daily dose for systemic therapy. The liquid form (IV infusion) is used either as an initial loading dose or for maintenance therapy on a much less frequent, periodic cyclic schedule.


Q: Is Akabar a brand name or a chemical name?

A: Akabar is the designated brand name for the specific medication. The active chemical compound within the medicine is referred to by its generic name, such as Sildenafil or Acarbose.


Q: Is Akabar suitable for vegetarians/vegans?

A: The Akabar oral tablet contains inactive ingredients such as Lactose Monohydrate. Regulatory information advises against use for individuals with rare hereditary problems of galactose intolerance.


Q: What are the key findings of the major clinical trials for Akabar?

A: For Type 2 Diabetes management, major studies found that measured biomarkers of blood sugar control, such as glycosylated hemoglobin (HbA1c), were lower in the study groups compared to placebo. Furthermore, prevention trials indicated a pattern of delayed T2DM diagnosis in high-risk populations.


Q: What is the success rate of Akabar in studies?

A: Official information describes positive treatment outcomes by reporting that key measures of blood sugar control, such as HbA1c values, were demonstrably lower compared to placebo. However, regulatory documents do not typically provide a single, simple 'success rate' percentage for the management of complex chronic diseases.


Q: Are there any known long-term studies on Akabar?

A: Yes, research documents confirm that long-term trials have been conducted for the Acarbose component. One large study evaluated composite cardiovascular outcomes over an extended period in high-risk populations, including individuals with coexisting Coronary Heart Disease.


Q: Do the side effects of Akabar usually stop after the first week of use?

A: Studies indicate that any adverse reactions experienced are typically transient (meaning temporary) and are generally mild to moderate in intensity. However, official information does not specify an exact timeframe like 'the first week' for when side effects will subside.


Q: Is it normal for Akabar to cause minor stomach upset initially?

A: Yes, the Acarbose component commonly causes gastrointestinal side effects when starting treatment. Official information lists upset stomach, flatulence, a rumbling feeling, and diarrhea as common adverse effects due to its mechanism of slowing carbohydrate breakdown.


Q: Are headaches a normal side effect when first starting Akabar?

A: Yes, headaches are one of the most frequently reported adverse events. Official product information lists headache as a Very Common adverse reaction, meaning it was experienced by a high percentage of participants in the clinical trials.


Q: Can Akabar affect mood or sleep?

A: According to official product information, adverse reactions reported in studies include nervous system issues. Specifically, Insomnia (difficulty sleeping) and Anxiety have been noted among the reported adverse reactions.


Q: Are there any long-term side effects linked to Akabar use?

A: For conditions like Type 2 Diabetes, regulatory documents note a current lack of comprehensive data directly linking Akabar's use to a reduction in certain major, long-term patient complications. The ongoing safety of all medicines is monitored through long-term surveillance by regulatory bodies.


Q: What are the signs of an allergic reaction to Akabar?

A: Official regulatory documents warn that hypersensitivity to the drug has been reported. This includes the rare occurrence of severe allergic reactions such as anaphylactic reaction and anaphylactic shock. Official documents state that these serious events should be reported to a healthcare provider immediately.


Q: What should I do if Akabar doesn't seem to be helping? (Non-advice)

A: Clinical evidence has noted that issues with patient adherence can influence overall treatment results. If the medicine does not appear to be helping, official information suggests that lack of efficacy warrants re-assessment and monitoring by a healthcare provider, as alternative strategies may need to be considered.


Q: Does Akabar require special monitoring or blood tests?

A: Yes, monitoring may be required. For the Acarbose component, monitoring is necessary if it is taken with medications like Digoxin. For the Sildenafil component, official guidance indicates that patients taking other blood pressure lowering drugs should be monitored closely for potential effects.


Q: How is Akabar eliminated from the body?

A: The Sildenafil component is removed from the body primarily by the liver through a process called hepatic metabolism. The resulting chemical byproducts (metabolites) are mostly excreted from the body in the feces (around 80%), with a smaller amount excreted in the urine.


Q: Can Akabar affect driving ability?

A: The Sildenafil component has been associated with adverse reactions like dizziness and visual disturbance. Official prescribing information highlights the need to be aware of how the medicine affects an individual before engaging in tasks that require focus, such as driving or operating machinery.


Q: Why is patient education so important for people starting Akabar?

A: Patient education is emphasized because official regulatory guidance instructs patients to seek immediate medical attention if certain serious or time-sensitive events occur. These include a sudden loss of vision or hearing (Sildenafil) or symptoms of severe hypoglycemia (Acarbose).

How should Akabar be stored and disposed of?

Official Storage and Handling Requirements

Akabar tablets must be stored at room temperature, typically defined by regulatory bodies as below 25 C (77 F). It is essential to keep the medicine from freezing and protect it from excess heat and moisture. The tablets must be kept in their original container with the lid tightly closed to maintain product integrity, and should not be stored in humid areas like bathrooms. For household safety, the medication must be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Akabar must be disposed of according to local requirements for pharmaceutical waste. Regulatory guidance prohibits discarding the tablets via wastewater or household waste, as this can contaminate the environment. The best official method is typically using an established drug take-back program.

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

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