Mitosan plus

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Mitosan plus

Method of action: Antihypertensive, Diuretic

Treatment option: Hypertension

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 Mitosan plus

Property Description
Active Ingredients Telmisartan, Hydrochlorothiazide
Form Fixed-dose combination oral tablet
Pharmacological Class Angiotensin II Receptor Blocker (ARB) and Thiazide Diuretic Combination
Common Use Management of high blood pressure (Essential Hypertension)
Origin Synthetic

Mitosan plus: Definition, Type, and Active Ingredients

Mitosan plus is a fixed-dose combination medication prescribed for controlling high blood pressure, structurally delivered as an oral tablet. This product contains two distinct synthetic active ingredients: the Angiotensin II Receptor Blocker Telmisartan and the Thiazide Diuretic Hydrochlorothiazide (INN). The rationale for this fixed combination is clinically recognized for promoting patient adherence by simplifying the medication regimen. Unlike single-agent forms, this preparation ensures the simultaneous delivery of two complementary mechanisms of action essential for sustained therapeutic efficacy.


Pharmacological Classification and Dual-Action Approach

Mitosan plus belongs to the combined pharmacological class known as an ARB/HCTZ Combination. Telmisartan acts by blocking specific receptors to facilitate vasodilation (vessel widening). Simultaneously, Hydrochlorothiazide increases diuresis (fluid removal) by influencing kidney function. This dual-action approach, addressing both hormonal vasoconstriction and fluid volume, provides a strong strategy for managing circulatory resistance.


General Purpose: Why is Mitosan plus Prescribed?

The general therapeutic purpose of Mitosan plus is the effective, long-term control of high blood pressure, specifically essential hypertension, in adults. By mitigating the pressure exerted on arterial walls and reducing overall fluid volume, the medication lessens the burden on the cardiovascular system. Fixed-dose combination therapy is associated with improving the ability of patients to achieve blood pressure targets. This pressure stabilization is crucial for reducing the persistent risks associated with chronic hypertension.

What side effects are possible with Mitosan plus?

Possible side effects and safety information

The safety profile for Mitosan plus is formally defined by regulatory documents, classifying possible adverse reactions by frequency and the body system affected. These classifications ensure consistent communication of documented risks, spanning from commonly observed reactions to rare but serious adverse events.


Frequency and System-Organ Classifications

Adverse reactions are organized into System-Organ Classes (SOCs), including Nervous system disorders (e.g., dizziness), Metabolism and nutrition disorders (e.g., electrolyte imbalance), and Vascular disorders (e.g., orthostatic hypotension).

  • Common adverse effects include dizziness, upper respiratory tract infection, back pain, and diarrhea.
  • Uncommon effects include syncope, vertigo, and visual disturbances.
  • Rare effects documented in official sources include angioedema (swelling beneath the skin) and acute renal failure, which are classified as serious adverse reactions.

Serious Reactions and Safety Constraints

The most serious reactions explicitly listed in regulatory labeling include Angioedema, Anaphylactic Reaction, and specific ocular risks such as acute transient myopia leading to secondary angle-closure glaucoma (associated with the Hydrochlorothiazide component).

Safety constraints and limitations are explicitly defined for specific populations and conditions:

  • The medication is contraindicated during the second and third trimesters of pregnancy due to risk of injury to the fetus.
  • It is also contraindicated in patients with severe hepatic impairment, anuria, and severe renal impairment.
  • Official documents note that symptomatic hypotension may occur, particularly in volume-depleted patients, and may be more pronounced at the start of treatment.

These official classifications establish the full scope of safety considerations and restrictions for Mitosan plus as defined by government regulatory authorities.

Overdose and Emergency Response

Overdose and when to seek help

The overdose profile for Mitosan plus (telmisartan/hydrochlorothiazide) is defined by the effects of its two active components, primarily involving the cardiovascular and electrolyte systems. Due to the risk of serious complications, seek immediate medical attention if an overdose is suspected.

Overdose Scope

Domain Official Regulatory Statement
Documented overdose presentations: Symptomatic hypotension, dizziness, light-headedness, syncope (fainting), and alterations in heart rate (tachycardia or bradycardia).
Physiological systems affected: Cardiovascular system (blood pressure and heart rate); Fluid and Electrolyte balance (dehydration, electrolyte depletion); Renal system (excessive diuresis).
Dose-related or exposure-related factors: Excessive diuresis, and the resulting electrolyte depletion (e.g., hypokalemia, hyponatremia) and dehydration, are associated with the hydrochlorothiazide component.
Population-specific overdose notes: If digitalis has been co-administered, hypokalemia may accentuate the risk of cardiac arrhythmias.
Emergency-response statements: Treatment is primarily supportive. For symptomatic hypotension, the patient should be placed in the supine position and, if necessary, administered an intravenous infusion of normal saline. Neither Telmisartan nor Hydrochlorothiazide are effectively removed by dialysis procedures.

Official Overdose Statements

  • The most likely signs of overdose involve severe blood pressure lowering (hypotension) and changes in heart rate, such as tachycardia. Bradycardia may also occur.
  • Overdose commonly presents with manifestations of fluid and electrolyte imbalance, including dehydration and depletion of essential electrolytes like potassium and sodium.
  • Immediate medical intervention is required for supportive care and correction of fluid volume and electrolyte disturbances.

Connection to the overall overdose profile

Regulatory documents establish the overdose profile by detailing the two major risks: severe hypotension from the telmisartan component and critical electrolyte imbalances from the hydrochlorothiazide component. The need for immediate medical assistance is mandated to manage these potentially life-threatening physiological disturbances, with management focused on supportive treatment.

Therapeutic Uses of Mitosan plus

What Mitosan Plus Treats: Main Uses and Benefits

Mitosan Plus is relevant in contexts marked by increased discomfort or tension, specifically applied across domains where additional symptomatic support is needed. It is commonly used across conditions presenting with acute episodes, such as essential hypertension, and is applied in scenarios where additional management of discomfort is required.

The medication helps address symptom clusters that may become intense or disruptive, particularly those related to systemic imbalance. Its primary role is to provide supportive relief when symptoms interfere with routine activities, contributing to improved comfort during periods of heightened symptoms.

Quick Facts

Domain
Relevant for managing symptoms related to systemic imbalance
Used across conditions involving episodic or fluctuating manifestations

Eligibility and Restrictions for Use

Who can and cannot use Mitosan plus?

Mitosan plus eligibility is strictly defined by government regulatory documents and is established for use in adults (aged 18 and over) diagnosed with Essential Hypertension. Eligibility is primarily contingent on a patient's physiological status and comorbidities.

Eligibility Status Key Population Restrictions
Contraindicated (Must Not Use) Pregnancy (2nd and 3rd trimesters); Severe Renal Impairment (e.g., Anuria or CrCl < 30 mL/min); Severe Hepatic Impairment or Biliary Obstructive Disorders; Hypersensitivity to Telmisartan, Hydrochlorothiazide, or sulfonamide derivatives.
Not Recommended Children and adolescents under 18 years (safety not established); Pregnancy (1st trimester) and Lactation; Primary Aldosteronism.

The medicine is contraindicated based on severe organ function limits. Use is also prohibited if the patient is taking Aliskiren and has Type 2 Diabetes Mellitus. For age groups, use is not recommended in pediatric patients as safety is not established. Patients with certain conditions, such as mild to moderate liver impairment, uncontrolled electrolyte imbalances, or gout, fall under the category of restricted use and require special medical caution as defined by official labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Mitosan plus by classifying risks into explicit prohibitions, pharmacokinetic alterations, and pharmacodynamic effects.

Category Documented Interaction Patterns
Contraindicated Combinations The co-administration of Aliskiren is formally contraindicated in patients with Type 2 diabetes mellitus or those with moderate to severe renal impairment (GFR < 60 mL/min/1.73 m²).
Pharmacokinetic Effects Co-administration with Digoxin results in officially documented increased plasma concentrations of Digoxin, attributed to the Telmisartan component's inhibition of the P-glycoprotein transporter.
Pharmacodynamic Effects The combination reduces the renal clearance of Lithium, leading to increased serum lithium concentrations and potential toxicity. The efficacy of the combination can be reduced by co-administering Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which may also heighten the risk of renal function deterioration in susceptible patients.
Exposure and Timing Rules Certain agents, such as Cholestyramine and Colestipol resins, officially impair the absorption of the Hydrochlorothiazide component and require separation of dosing timing by several hours. Concomitant use with Potassium-sparing diuretics or Potassium supplements increases the risk of hyperkalemia.

Mechanism of Action

️ How Mitosan plus Works


Modulating Systemic Vascular Tone via AT1 Receptor Blockade

This core mechanism involves the action of Telmisartan as a selective antagonist of the Angiotensin II Type 1 ( AT1) receptors. By blocking the binding of the endogenous vasoconstrictor Angiotensin II, this domain directly interrupts the hormonally-driven signaling responsible for blood vessel constriction. This molecular event cascades into a physiological reduction of systemic vascular resistance (SVR), leading to vascular relaxation.


Altering Fluid Volume Through Renal Cotransporter Inhibition

This complementary mechanism is driven by Hydrochlorothiazide, which acts as an inhibitor of the Na^+/ Cl^- cotransporter ( NCC) in the kidney's distal convoluted tubule. By suppressing the reabsorption of sodium and chloride ions, the drug promotes the increased urinary excretion of salt and water (natriuresis and diuresis). The resulting physiological change is a reduction in extracellular fluid volume and plasma volume.


Mechanistic Synergy and Preventing RAAS Compensation

The two mechanisms are synergistically coupled. The diuretic-induced volume depletion triggers the body's compensatory activation of the RAAS. The Telmisartan component counteracts this counter-regulatory feedback loop by blocking the AT1 receptor, thereby potentiating the overall volume-lowering effect and facilitating a dual-mechanism modulation of systemic pressure.

Dosage and Administration Information

How to Use Mitosan plus

Mitosan plus (Telmisartan/Hydrochlorothiazide) is a fixed-dose combination medication for the long-term management of high blood pressure. This section describes the standard administration patterns for the medication.


Official Administration Guidelines

Instruction Detail
Route of Administration The medicine is taken orally as a fixed-dose combination tablet.
Standard Dosing Schedule The typical regimen is one tablet once daily. The fixed combination is generally not used for initial therapy but to replace existing single-agent treatments when control is insufficient.
Available Strengths Tablets are available in multiple strengths, including 40 mg/12.5 mg, 80 mg/12.5 mg, and 80 mg/25 mg (Telmisartan/HCTZ). The maximum recommended daily strength is typically 80 mg/25 mg.
Intake Conditions The tablet may be administered with or without food and should be swallowed whole with liquid.
Missed Dose Rule If a dose is missed, patients should not take a double dose to compensate. The patient should resume the next dose at the regular time.

Use Constraints and Adjustments

Administration of Mitosan plus is subject to specific constraints for certain populations. The medication is not recommended for use in patients with severe renal impairment (creatinine clearance < 30 mL/min) due to the Hydrochlorothiazide component. For those with mild to moderate hepatic impairment, a lower starting dose, such as the 40 mg/12.5 mg strength, is typically recommended, and use is contraindicated in severe hepatic impairment. Safety and efficacy for individuals under the age of 18 have not been established, and use in this pediatric population is not recommended.

Recent Clinical Evidence

Research evidence / Overview of studies for Mitosan plus


Evidence Supporting Use in Essential Hypertension

The clinical evaluation of Mitosan plus was studied for its use in essential hypertension primarily through Randomized Controlled Trials (RCTs) and Systematic Reviews. This type of research design is commonly used in evidence assessment because it helps control for different factors when examining outcomes. These studies were used in research exploring how blood pressure measurements change over defined time intervals. The outcomes examined in these trials were surrogate endpoints, focusing on the reduction in Systolic and Diastolic Blood Pressure (SBP/DBP) and monitoring whether patients reached specific, pre-set blood pressure goals.

The findings describe patterns observed in the studies where the fixed-dose combination was associated with patterns of blood pressure change that were tracked in comparison to taking either ingredient (Telmisartan or Hydrochlorothiazide) alone. Research highlights changes measured during the study period, indicating that the combined approach was studied to examine the attainment of target blood pressure levels. This evidence contributes to the broader landscape of understanding symptom patterns in conditions where symptoms may vary in intensity.


Evidence for Patients Uncontrolled on Monotherapy

Mitosan plus was studied for use in a specific group of adults: those with high blood pressure who had an inadequate response while already taking Telmisartan alone. The research design for this indication involved active-controlled add-on trials. These studies focused on patients whose blood pressure remained elevated despite treatment with Telmisartan alone.

In these specific research scenarios, studies explored the incremental change in blood pressure that occurred after the second active ingredient was included. The findings indicate that the inclusion of the second compound was observed in some studies to be associated with an additional measured change in blood pressure metrics. Research provides insight into short-term changes by monitoring the rate at which these previously uncontrolled patients reached their blood pressure targets after the combination was started.


️ Research on Long-Term Outcomes and Durability

The existing evidence for Mitosan plus includes trials designed to measure change that typically track outcomes over the short-term, commonly spanning 4 to 8 weeks. While follow-up studies and extension trials have observed responses over intermediate periods, such as 6 months to 1 year, the evidence for very long-term outcomes and the sustained nature of the observed changes is limited for this specific fixed-dose combination.

For the most critical long-term effects, such as reducing the risk of stroke or heart attack, there is limited information for long-term outcomes for Mitosan plus itself. These definitive clinical outcomes are not fully established based on the available combination research; instead, the expected long-term patterns for these outcomes are largely based on the known research associated with the component drug classes (ARBs and diuretics) individually.


‍️ Study Findings in Specific Subgroups and Populations

Research has explored the use of Mitosan plus in various patient groups, focusing mainly on Adults with essential hypertension. Study populations have included subgroup analyses for older adults (geriatric population) and for patients with common co-occurring conditions, such as diabetes. The available evidence in these specific populations was evaluated in studies observing responses over defined time intervals.

However, research limitations state that data for certain groups remain insufficient. For example, there is very limited information regarding the research outcomes or study patterns for the pediatric population (children and adolescents). The research also describes that the results apply primarily to the populations studied, and data are still emerging for other specialized groups.


What Is Still Uncertain About Mitosan plus Research

The evidence contributing to the broader evidence landscape for Mitosan plus has certain limitations acknowledged in the scientific literature. One primary limitation is that research focused mainly on blood pressure reduction, which is a surrogate endpoint, rather than definitive hard clinical outcomes like the prevention of stroke or heart attack. While reducing blood pressure is a focus of treatment, this means the data show patterns related to physiological strain or stress rather than end-of-life events.

Furthermore, follow-up durations were constrained in the primary efficacy studies. Comparative evidence is lacking against every other available fixed-dose combination, and findings were mixed when Mitosan plus was compared against certain other alternative combinations in head-to-head trials. This means that comparative evidence is lacking across the entire range of available treatments. Research provides context but not individual predictions, and research does not determine whether an individual will respond similarly to the group patterns observed.

Frequently Asked Questions (FAQ)

Common questions about Mitosan plus (FAQ)


Q: Does Mitosan plus cure high blood pressure or just control it?

A: Mitosan plus is used for the long-term management of high blood pressure. According to official product information, this medication does not offer a cure for hypertension; instead, it is prescribed to help control the condition and stabilize pressure over time.


Q: Does Mitosan plus affect a person's electrolyte levels, such as potassium or sodium?

A: Yes, the diuretic component of this medication can alter the body's electrolyte balance. Official safety information states that Mitosan plus can lead to low levels of potassium (hypokalemia), sodium (hyponatremia), and magnesium. These potential changes are monitored as part of the standard treatment process.


Q: Is Mitosan plus known to cause dizziness or lightheadedness, and why?

A: Dizziness is listed in regulatory documents as a common adverse effect associated with Mitosan plus. This is usually related to the medication's intended action of lowering blood pressure, which can sometimes result in symptomatic hypotension (low blood pressure), particularly when treatment begins or in individuals who are volume-depleted.


Q: What kind of evidence or clinical trials support the long-term effectiveness of Mitosan plus?

A: Clinical research supporting Mitosan plus primarily focuses on its effectiveness in lowering blood pressure. Research findings describe that the maximum blood pressure lowering effect is generally attained 4 to 8 weeks after starting treatment. While these studies track short-term changes, the long-term evidence for definitive outcomes is largely based on the known effects of the individual drug classes (ARBs and diuretics).


Q: Is Mitosan plus the correct medication if my doctor has prescribed Mitotane for an adrenal condition?

A: No, Mitosan plus is a combination prescription drug containing Telmisartan and Hydrochlorothiazide used exclusively for controlling high blood pressure. Mitotane is a completely different, separate medication used to treat certain adrenal conditions. It is important to confirm the exact spelling of your prescribed medication with your healthcare provider.


Q: Is Mitosan plus safe for use during pregnancy or while breastfeeding?

A: Official regulatory information states that Mitosan plus is contraindicated (must not be used) during the second and third trimesters of pregnancy due to the risk of fetal injury. The medication is also generally not recommended for use by mothers who are breastfeeding.


Q: What are the signs of potential dehydration that patients taking Mitosan plus should watch for?

A: Because Mitosan plus contains a diuretic (water pill), official documents advise patients to monitor for signs of fluid or electrolyte imbalance. These documented signs can include unusual dry mouth, feeling excessively thirsty, general lethargy, weakness, or muscle cramps.


Q: Can Mitosan plus affect my blood sugar levels?

A: Official product information indicates that Mitosan plus has been reported to cause an increase in blood glucose (sugar) levels. This is a factor that is often considered by healthcare providers, particularly for patients with existing diabetes or those who are at risk of developing high blood sugar (hyperglycemia).


Q: Can Mitosan plus be taken safely with common cold and flu medications?

A: Regulatory documents identify potential interactions with ingredients often found in cold and flu products. Specifically, the blood pressure-lowering effect of Mitosan plus may be reduced by Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), and certain other ingredients like narcotics or barbiturates may heighten blood pressure-lowering effects.


Q: Is there a general recommendation regarding alcohol consumption while on Mitosan plus therapy?

A: Official safety warnings indicate that consuming alcohol while taking Mitosan plus may have additive effects that lower blood pressure. This effect can increase the risk of symptoms such as dizziness or fainting.


Q: Are there any dietary supplements or foods that interact with Mitosan plus?

A: Regulatory documents caution against combining Mitosan plus with certain supplements due to the risk of hyperkalemia (high potassium levels). Specifically, the use of potassium supplements or salt substitutes that contain potassium is not recommended without careful medical supervision.


Q: Can Mitosan plus cause sexual side effects?

A: Official safety data for Mitosan plus includes erectile dysfunction as an uncommon adverse effect. This is an effect that patients may choose to discuss with their prescribing healthcare provider.


Q: Does taking Mitosan plus pose any long-term dermatological risks, such as certain skin lesions?

A: Studies reviewed by regulatory bodies indicate an increased risk of non-melanoma skin cancer, such as Basal Cell Carcinoma and Squamous Cell Carcinoma, with long-term use of the Hydrochlorothiazide component. This risk is related to increasing cumulative doses over many years.


Q: What is the difference between Mitosan plus and just Mitosan?

A: Mitosan plus is the fixed-dose combination product containing two active ingredients: Telmisartan and Hydrochlorothiazide. In contrast, Mitosan is typically the trade name used to refer to the single-agent medication containing only Telmisartan.


Q: What are the implications for a patient with Lupus (Systemic Lupus Erythematosus) taking Mitosan plus?

A: Official labeling notes that the thiazide diuretic component may have the potential to exacerbate or activate Systemic Lupus Erythematosus (SLE). Regulatory documents describe that the use of this medication in patients with a history or risk of SLE requires medical caution.


Q: How is the safety of Mitosan plus monitored over time?

A: Regulatory documents recommend periodic monitoring of specific blood test results to assess safety during treatment. This monitoring generally includes checks of serum potassium levels, creatinine (which helps monitor kidney function), and uric acid levels.


Q: Can Mitosan plus interfere with any laboratory or blood tests?

A: Official product information confirms that Mitosan plus can cause certain abnormal blood test results. Your healthcare provider will use periodic monitoring to interpret these results and determine if they require any adjustment to your treatment plan.


Q: What are the main long-term risks associated with Mitosan plus treatment?

A: The main long-term risks documented in official safety information relate to the possibility of non-melanoma skin cancer with extensive use of the Hydrochlorothiazide component. Additionally, continuous treatment requires periodic safety monitoring of kidney function and electrolyte levels to manage potential imbalances.

How should Mitosan plus be stored and disposed of?

Storage and Disposal Requirements for Mitosan Plus Tablets

Mitosan Plus (telmisartan/hydrochlorothiazide) must be stored according to specific regulatory conditions to maintain stability, primarily due to its hygroscopic nature.

Storage Conditions

  • Temperature: Store below 30 C and do not freeze the tablets.
  • Protection: Protect the medication from both moisture and direct light.
  • Container Rules: The tablets must be kept in the original, sealed blister pack and should only be removed immediately before administration. This maintains stability and prevents moisture absorption.
  • Child Safety: Keep the product out of the sight and reach of children.

Disposal

Expired or unused Mitosan Plus must not be disposed of in household waste or flushed down the toilet. Dispose of the medicine according to local regulations for pharmaceutical waste, often by returning it to a pharmacist or a designated collection point.

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

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