Dociton retard

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Medically reviewed

Rosario Oropesa

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 Dociton retard

Property Description
Active ingredient Propranolol (hydrochloride)
Form Modified-release capsule (Retard)
Pharmacological class Non-cardioselective \beta-blocker
Common use Cardiovascular stabilization
Origin Synthetic organic compound

Dociton retard is a prescription-only oral medication used for long-term cardiovascular stability, chemically defined by the active ingredient Propranolol. It belongs to the high-level pharmacological class of \beta-adrenergic receptor antagonists, commonly known as \beta-blockers. The effectiveness of Propranolol in modulating the body’s sympathetic response is clinically recognized, placing its core function in the realm of regulating the body’s fundamental physiological responses to stress.


What Type of Medicine is Dociton retard and What is its Composition?

Dociton retard is chemically based on Propranolol hydrochloride, and it is classified as a non-cardioselective \beta-blocker. This specific classification implies that the synthetic substance achieves its therapeutic effect by blocking both \beta1 and \beta2 receptors throughout the body, providing a distinctive broad systemic regulatory profile. The drug is a single-active-ingredient product, and its pharmacological mechanism—the competitive inhibition of endogenous catecholamines—is summarized in its official monograph. This controlled inhibition is fundamental to how the medication achieves stable systemic regulation.


The Significance of the Retard (Slow-Release) Capsule

The specific dosage form is a modified-release capsule, denoted by the term "retard," which signifies a slow-release or extended-release mechanism. This formulation is engineered to address the active ingredient’s properties by ensuring Propranolol is absorbed gradually following oral administration, thereby avoiding rapid concentration peaks. This controlled kinetic profile is a defining feature of Dociton retard, making it particularly useful for continuous management scenarios, as it promotes stable cardiovascular regulation across a full dosing interval.

Regulatory References

  1. Propranolol - LiverTox - NIH

What side effects are possible with Dociton retard?

Possible Side Effects and Safety Information

The official safety information for Dociton retard (Propranolol) is categorized according to established regulatory definitions, detailing potential adverse reactions and official constraints.

Frequency-Classified Adverse Reactions

The most frequently reported effects are classified as Common (affecting up to 1 in 10 people) and typically involve the Nervous System (e.g., fatigue, sleep disturbances) and Gastrointestinal System (e.g., nausea, diarrhea). Rarer effects, classified as Uncommon or Rare, affect other systems, including the skin, blood, and liver, and may involve changes in mood or vision.


Serious Adverse Reactions and Safety Constraints

Regulatory documents highlight specific serious adverse reactions that require consideration, such as the potential for precipitation or worsening of heart failure, severe bradycardia (slow heart rate), and bronchospasm (airway narrowing). These risks are documented as constraints, particularly for individuals with pre-existing, uncontrolled cardiovascular conditions or obstructive airway diseases like asthma.


Population-Specific and Time-Related Notes

The safety profile includes administrative notes for specific populations. Patients with severe hepatic or renal impairment may require careful safety monitoring due to potential changes in drug clearance. For diabetic patients, the medication may mask some typical signs of hypoglycemia (low blood sugar). Official safety patterns also note that common reactions like fatigue and gastrointestinal upset are more frequently observed at the start of treatment or during initial dose adjustments.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documents state that an overdose of Propranolol may lead to severe, life-threatening outcomes, focusing primarily on cardiovascular and central nervous system (CNS) toxicity.

Documented Manifestations and Risks

An overdose typically presents as profound bradycardia (abnormally slow heart rate) and severe hypotension (low blood pressure), alongside signs such as heart block, confusion, seizures, and coma. Cardiovascular collapse and cardiac arrest are explicitly listed as potential life-threatening outcomes. The risk of severe toxicity is elevated in individuals with underlying conditions, such as pre-existing heart rhythm disturbances.

Mandatory Emergency Actions

Immediate medical attention must be sought for any suspected overdose or if symptoms like slow heart rate, dizziness, or breathing difficulties occur after taking more than the prescribed dose. Hospital secondary care is required for appropriate toxicity management.

Consideration for Modified-Release

Due to the modified-release (retard) formulation, there is a risk of delayed toxicity. Consequently, extended hospital monitoring and continuous ECG observation are necessary, even if initial signs appear minor. Management focuses on symptomatic and supportive measures, including the use of activated charcoal and pharmacological agents like atropine or glucagon to address severe cardiovascular depression.

Therapeutic Uses of Dociton retard

Dociton retard is generally considered relevant for easing symptoms related to heightened physiological activity across multiple therapeutic domains. The medication may assist with maintaining functional stability and helps address symptoms that become more disruptive during flare-ups.

The medication is used for conditions involving episodic or fluctuating manifestations, including high blood pressure, irregular heartbeats, certain types of tremor, and the prevention of angina and migraine headaches.

It is commonly used to help with conditions involving episodic or fluctuating manifestations, including sustained high blood pressure, recurrent chest discomfort (angina pectoris), the involuntary movements of essential tremor, and the frequency of migraine headaches. It is also applied in addressing pronounced physical signs related to heightened physiological activity. The medication contributes to easing the overall symptom load by supporting patients in conditions marked by systemic imbalance. It may help patients cope more steadily with symptom fluctuations when functional stability becomes affected.

Quick Fact: Relief for Recurrent Headaches The drug is generally considered relevant for easing symptoms in domains where additional symptomatic support is needed to help manage the frequency and intensity of migraine headaches.

Regulatory References

  1. Propranolol (Cardiovascular) is used to treat high blood pressure, irregular heartbeats, certain types of tremor, and to prevent angina and migraine headaches

Eligibility and Restrictions for Use

Eligibility Map: Official Regulatory Information

The eligibility profile for Dociton retard (propranolol modified-release) is defined by official regulatory documents that stipulate which populations are approved, restricted, or prohibited from using the medicine. This formulation is primarily intended for Adults.

Classification Eligibility Rule (Official Statement)
Absolute Contraindications Use is prohibited in patients with bronchial asthma or history of bronchospasm, cardiogenic shock, severe bradycardia, second- or third-degree AV block, overt/uncontrolled heart failure, metabolic acidosis, untreated phaeochromocytoma, or severe peripheral arterial circulatory disturbances.
Age-Group Limitations The modified-release capsule is not intended for use in children, and safety and efficacy have not been established in patients younger than 18 years. Older adults require caution, and treatment should begin with the lowest dose.
Conditional Use Use requires caution in patients with impaired liver or kidney function due to potential changes in drug clearance. Caution is also necessary for diabetic patients as the medication may mask signs of low blood sugar.
Reproductive Status Use during pregnancy is restricted and generally only permitted if the benefit outweighs the potential risk. Use during lactation is considered to pose minimal risk.

Official labeling requires Dociton retard to be avoided in any patient presenting with one of the absolute contraindications listed above. For all other populations, use is either established or subject to regulatory cautions regarding physiological conditions.

What should I know about interactions with other medicines?

The official interaction profile for Propranolol, the active ingredient in Dociton retard, is defined by restrictions on co-administration based on documented pharmacokinetic and pharmacodynamic effects.

Official Interaction Statements

  • Co-administration with non-dihydropyridine calcium channel blockers, such as Verapamil or Diltiazem, carries an increased risk of significant bradycardia and severe hypotension, as documented in regulatory labeling. Administration of either Propranolol or these agents intravenously is subject to a mandatory 48-hour separation requirement.
  • Propranolol is metabolized by multiple hepatic enzymes, including CYP2D6, CYP1A2, and CYP2C19. Co-administration with documented enzyme inhibitors (e.g., Cimetidine, Fluoxetine, Quinidine) is known to increase the drug's plasma exposure. Conversely, enzyme inducers (e.g., Rifampin) may decrease Propranolol levels, potentially leading to a loss of labeled efficacy.
  • Other cardiac medications, including Digoxin, have documented additive pharmacodynamic effects, increasing the risk of excessive cardiac slowing. Alcohol may increase Propranolol levels and the risk of hypotension. Cigarette smoking is documented to increase Propranolol clearance, which reduces its concentration in the plasma.

Connection to the Overall Interaction Profile

Regulatory documents define the product’s interaction structure primarily through two lenses: pharmacokinetic alterations, where other substances officially modify Propranolol’s clearance via CYP enzyme inhibition or induction, and pharmacodynamic synergy, where co-administered cardiovascular agents are documented to create additive effects. These documented patterns establish formal restrictions, including contraindicated combinations and the need for mandatory timing separation for certain high-risk pairings, reflecting the binding constraints published in official government sources.

Mechanism of Action

The primary mechanism involves non-selective antagonism at x0008eta1 and x0008eta2 adrenergic receptors throughout the body. This action effectively blocks the binding sites for the body's natural signaling molecules, epinephrine (adrenaline) and norepinephrine, thereby interrupting signal transduction along the sympathetic nervous system pathway and reducing the systemic signaling output resulting from excessive catecholamine binding.

By blocking x0008eta1 receptors in the heart, the drug modifies the early molecular steps that drive cardiac activity, leading to reduced heart rate and force of contraction. Simultaneously, its effect on x0008eta1 receptors in the kidneys suppresses the release of renin, a key mediator in the Renin-Angiotensin-Aldosterone System (RAAS). This dual-pathway modulation modulates the signaling that results from excessive mediator activity and alters the balance of signaling cascades, which influences the physiological response.

The "retard" formulation engages a mechanistic domain by controlling the rate of drug delivery to its targets. This sustained-release mechanism ensures that the drug concentration remains stable, providing continuous and consistent receptor blockade. This controlled activity pattern maintains pathway modulation over an extended duration, resulting in continuous physiological changes that are characteristic of the drug's mechanism.

Dosage and Administration Information

Official Administration Guidelines for Dociton retard

Dociton retard is an extended-release formulation of propranolol hydrochloride and must be administered according to the specific instructions provided in the prescribing information to ensure proper drug delivery.

Administration Scope

Guideline Official Instruction
Route of Administration Oral (swallowing the prolonged-release capsule)
Preparation Requirements Swallow the capsule whole with a drink of water. Do not chew or crush the capsule, as this would compromise the extended-release mechanism.
Frequency and Timing Take once daily at the same time each day. It may be taken with or without food.

Official Procedural Steps

  1. Take the prescribed dose of Dociton retard, ensuring the capsule is intact.
  2. Swallow the capsule whole using a glass of water to aid in administration.
  3. Establish a routine of taking the capsule once every 24 hours at a consistent time of day.

Missed-Dose Rules

  • If you miss a dose and the time until your next scheduled dose is less than 12 hours, ignore the missed dose and simply take the next one at the usual time.
  • If the time until your next scheduled dose is more than 12 hours, take the missed dose immediately.
  • Do not take a double dose to compensate for the forgotten capsule.

The extended-release capsule is engineered to provide a controlled and predictable release of the medication over a 24-hour period, supporting once-daily dosing. The administration protocol centers on taking the capsule whole at a consistent daily interval to maintain steady blood levels of the active substance throughout the day, as documented in the guidelines for this type of formulation.

Recent Clinical Evidence

Research evidence / Overview of Studies for Dociton Retard

This overview provides a patient-friendly summary of the official research and study landscape for Dociton retard (Propranolol extended-release). It describes the types of studies that have been conducted, the outcomes researchers measured, and where scientific uncertainties or limitations still exist.


℮ Evidence for Use in Hypertension (High Blood Pressure)

Research has examined the use of the medicine for adults diagnosed with essential hypertension, a condition involving systemic or functional imbalance. The evidence base includes both short-term, randomized studies designed to explore acute measurements, alongside longer observational research that monitored responses over defined time intervals. These trials primarily monitored physiological strain by measuring systolic and diastolic blood pressure (mmHg) and assessing the heart rate.

The studies report how symptoms evolved in the observed populations, and findings describe patterns observed related to the changes in blood pressure measurements over time. Comparative research has also been conducted to assess delivery mechanisms against the immediate-release form of propranolol.


️ Evidence for Use in Angina Pectoris (Recurrent Chest Discomfort)

For chronic, stable angina pectoris, research is largely composed of Randomized Controlled Trials (RCTs) and comparative studies. The studies explored outcomes related to physical discomfort by quantifying the frequency of anginal episodes and evaluating exercise work capacity. Findings describe group patterns observed in the trials.

Research documentation notes a recognized factor: the assessment of potential acute changes following study drug discontinuation. Data for severe or highly complex subgroup findings are often uncertain, as results apply only to the specific populations studied in the trials.


ℯ Evidence Gaps and Areas of Uncertainty

Findings describe short-term changes, but long-term outcomes remain uncharacterized for all indications. Evidence is limited and certainty remains low for indications where the medicine was studied to manage physical manifestations like those associated with acute anxiety (e.g., palpitations and tremor), as research typically focuses on physical discomfort and not the psychological core issues of the condition. Comparative evidence regarding the long-term functional outcomes of the modified-release form versus the immediate-release version is also lacking.

Key Studies & References

  1. Propranolol (Cardiovascular) Drug Information (General Uses and Indications)
  2. Clinical Guideline Summary for the Management of Hypertension (Authoritative Source of Trial Outcomes)

Frequently Asked Questions (FAQ)

Common questions about Dociton retard (FAQ)


Q: Is it normal for Dociton retard to cause vivid dreams?

A: According to official safety profiles, adverse reactions involving the nervous and psychiatric systems have been reported. These can include sleep disturbances and nightmares. If a person experiences unusual or vivid dreams, this is considered a possible effect documented in official sources.


Q: What research evidence supports the use of Dociton retard for its primary indication?

A: Regulatory documents indicate the medicine is approved for the management of several conditions. These officially approved indications include hypertension (high blood pressure), angina pectoris (chest discomfort), and the prophylaxis of migraine headaches. Evidence supporting these uses is documented in the official research and study landscape for the drug.


Q: Do regulatory bodies classify Dociton retard as a controlled substance?

A: Official classification places this medicine as a prescription-only drug. It is not generally classified as a controlled substance by regulatory bodies like the DEA in the United States. This classification reflects that it does not carry the same regulatory restrictions regarding dependency and potential for abuse as controlled substances.


Q: What should a patient know about stopping Dociton retard, as described in official guidelines?

A: Official warnings strictly state that the medicine should not be stopped abruptly. Suddenly discontinuing the medicine may increase the risk of serious cardiovascular events, such as worsening chest pain or heart problems. Regulatory guidance specifies that discontinuation is typically required to be a gradual process, as determined by a healthcare provider.


Q: Is Dociton retard suitable for people with liver problems?

A: Official labeling states that use requires caution in patients who have impaired liver function. This is because the liver is the main organ responsible for processing and clearing the medicine from the body. Due to the potential for changes in drug clearance, official information notes that safety monitoring may be a consideration.


Q: Does taking Dociton retard require regular blood tests?

A: Routine, mandatory blood tests for all users are not specified in official labeling. However, monitoring may be required for individuals with specific pre-existing conditions, such as severe liver or kidney problems, to check for potential changes in drug levels.


Q: Can Dociton retard be taken with antacids?

A: Regulatory-derived information indicates that some antacids may interact with this medicine. Specifically, antacids containing aluminum may affect how the body absorbs the medicine. The co-administration of these products is subject to caution due to a potential interaction.


Q: Is Dociton retard safe to use during pregnancy, according to official documents?

A: Use of the medicine during pregnancy is officially restricted. Regulatory documents state that it is generally recommended only if a medical professional determines the potential benefit is greater than the potential risk to the fetus. The determination for use is based on a medical risk-benefit assessment.


Q: Are there any known food interactions with Dociton retard?

A: The medicine can be taken with or without food, meaning no specific food is forbidden. However, official regulatory instructions emphasize that consistency is maintained in how the medicine is taken each day (with or without food) to maintain stable drug levels in the blood.


Q: Does Dociton retard affect exercise performance or stamina?

A: Due to its beta-blocker mechanism, the medicine can affect the body's natural response to physical exertion. It works by reducing the heart rate and force of contraction. Official information indicates that this may be associated with impaired exercise tolerance.


Q: Does Dociton retard have a potential for dependency?

A: Official information does not cite a potential for dependency or abuse. However, regulatory warnings stress that the medicine must not be stopped abruptly to avoid serious adverse cardiac events, which is a distinct concern from dependency.


Q: Is it true that Dociton retard can cause cold hands and feet?

A: Yes, official safety information includes the circulation-related effect of cold hands or feet as a possible side effect. This is related to the drug's effect on peripheral circulation.


Q: How long does the effect of a single capsule of Dociton retard last?

A: The modified-release capsule, signified by the 'retard' designation, is specifically engineered to provide a continuous and consistent effect over a full 24-hour period. This allows for stable drug concentrations in the body across a full day with once-daily dosing.


Q: Can Dociton retard be used to manage essential tremor?

A: Yes, regulatory documents indicate that the active ingredient in Dociton retard, propranolol, is an FDA-approved indication for the management of essential tremor.


Q: Are there restrictions on driving or operating machinery while taking this drug?

A: Official patient counseling advises caution against driving or operating machinery. This is particularly important until a person knows how the medicine affects their personal level of alertness and motor skills.


Q: Are there specific symptoms that signal an interaction with alcohol?

A: Regulatory information indicates that combining the medicine with alcohol may lead to additive effects in lowering blood pressure. This severe drop can result in symptoms such as dizziness, lightheadedness, or fainting.


Q: Can Dociton retard affect blood sugar levels?

A: Official warnings state the medicine can interfere with blood sugar control. This includes potentially increasing the risk of low blood sugar and masking some typical symptoms of low blood sugar (like a fast heartbeat) in diabetic patients.


Q: Is it possible for Dociton retard to cause mood changes?

A: Yes, official safety profiles list mood changes among the possible adverse reactions. These effects are generally classified as rarer, nervous system, or psychiatric effects in the official safety profile.


Q: What is the general safety profile of Dociton retard in children?

A: The modified-release capsule is not intended for use in children, and official documents explicitly state that its safety and efficacy have not been established in patients younger than 18 years. Use is generally restricted to the adult population.


Q: Are there reported interactions with common over-the-counter pain relievers?

A: Official warnings note that certain nonsteroidal anti-inflammatory drugs (NSAIDs, such as ibuprofen) may interact with this medicine. These interactions may potentially decrease the blood pressure-lowering effect of Dociton retard.


Q: What are the requirements for being eligible to use Dociton retard?

A: Official eligibility is primarily determined by the approved medical uses for the drug, which include conditions such as hypertension and angina pectoris. Eligibility also relies on the absence of official contraindications, which are conditions that prohibit its use.


Q: Does the medicine need to be taken at a specific time of day?

A: Regulatory guidance states that the extended-release capsule should be taken once daily at the same time each day for consistency. It is often advised in the official documentation to be taken at bedtime.


Q: What is the difference in how Dociton retard and immediate-release Dociton are absorbed by the body?

A: The modified-release (retard) form is absorbed gradually and continuously over a 24-hour period to maintain steady drug levels. In contrast, the immediate-release form is absorbed rapidly, causing drug levels to peak much sooner.


Q: What kind of monitoring is typically described in official documents when a person is on Dociton retard?

A: While the labeling does not mandate general monitoring for all, official information indicates that regular observation of parameters like blood pressure and heart rate are standard elements of management. More extensive monitoring may be required for individuals with certain co-existing conditions, like kidney or liver impairment.


Q: What official information is available about the risk of allergic reactions?

A: Official labeling warns of the possibility of severe allergic reactions (hypersensitivity), which are considered a contraindication for use. Symptoms described can include rash, hives, and swelling of the face or throat.


Q: Why might a doctor prescribe Dociton retard instead of the standard version?

A: The modified-release formulation is typically chosen because it is designed for once-daily dosing. This provides consistent and stable drug levels over a 24-hour period, which can be beneficial for continuous management of chronic conditions, unlike the standard version that requires multiple doses per day.


Q: What is the role of Dociton retard in heart rhythm management?

A: The medicine is officially indicated for the management of certain heart rhythm conditions, such as atrial fibrillation. Its action as a beta-blocker helps to regulate and contribute to the control of the heart rate.


Q: Why is this drug sometimes used for physical symptoms related to stress?

A: The medicine is a beta-blocker that works by blocking the effects of the body's natural signaling molecules, adrenaline and norepinephrine. This action reduces the physical responses these stress hormones produce, such as a rapid heart rate and tremor.


Q: How does Dociton retard impact the body's response to physical exertion?

A: The medicine can reduce the heart's typical response to stress and physical activity. This results in a reduced heart rate during exertion and may be associated with impaired exercise tolerance when compared to a non-treated state, as documented in official information.


Q: What is the overall goal of treatment with Dociton retard?

A: The overall goal of treatment, particularly for conditions like hypertension, is to lower blood pressure. Official documents state that this aims to reduce the risk of serious cardiovascular events, such as a stroke or a myocardial infarction (heart attack).


Q: Is there a maximum duration of use mentioned in product information?

A: The drug is approved for the management of chronic conditions such as hypertension and angina pectoris. Due to this long-term use profile, the official product information does not state a maximum duration of use.


Q: What distinguishes Dociton retard from a calcium channel blocker?

A: Dociton retard is classified as a beta-blocker, meaning it blocks the effects of adrenaline and norepinephrine at the receptor level. A calcium channel blocker is a different class of medication that works by regulating the movement of calcium into the heart and blood vessel cells.

How should Dociton retard be stored and disposed of?

How to Store and Dispose of Dociton retard?

Regulatory information requires strict adherence to specific storage and disposal rules to maintain the stability of Dociton retard (Propranolol modified-release capsules).

Mandatory Storage Conditions

  • Temperature: Store below 25 C (or at controlled room temperature 20 to 25 C).
  • Protection: Mandatory protection from light, moisture, excessive heat, and freezing.
  • Container: The medicine must be kept in its original, tightly closed package.
  • Safety: Always store out of the sight and reach of children.

Official Disposal Instructions

  • Waste: Do not dispose of unused or expired Dociton retard in household waste or wastewater.
  • Procedure: Disposal must be completed strictly in accordance with local pharmaceutical waste regulations, as stated in official product labeling.

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

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