Deprozol

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Deprozol

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Medically reviewed

Laura Arias

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 Deprozol

The foundational definition of Deprozol is anchored in its identity as a targeted, synthetic antimicrobial agent used for systemic action against specific microbial threats.

Property Description
Active ingredient Secnidazole (INN)
Form Oral dosage form (granules or film-coated tablet)
Pharmacological class Nitroimidazole Antimicrobial
Common purpose Systemic elimination of susceptible bacterial and protozoal pathogens
Origin Synthetic compound

Deprozol: Identity and Pharmacological Classification

Deprozol is a pharmaceutical preparation that contains the active substance Secnidazole, which is classified as a potent nitroimidazole antimicrobial. This classification means the medicine is specifically engineered to function as both an antiprotozoal agent and an antibacterial agent, targeting susceptible protozoa and anaerobic bacteria. Secnidazole is a synthetic compound that is a derivative of the 5-nitroimidazole chemical structure, defining its non-natural origin and precise design for therapeutic effect. Secnidazole is used against its target organisms, fulfilling a role in treating infections requiring systemic antimicrobial action.

Composition and Drug Form (Secnidazole)

This medicine is defined as a single-ingredient product, containing only Secnidazole as the therapeutic entity responsible for the drug’s pharmacological action. Deprozol is formulated for the oral route of administration, commonly presented as granules or a film-coated tablet—an oral dosage form. This specific composition is designed for achieving therapeutic concentrations of the active ingredient efficiently in the bloodstream. Secnidazole is rapidly and completely absorbed after oral administration, allowing the medicine to enter the bloodstream to act against infections throughout the body. The purpose of this configuration is to facilitate efficient and systemic delivery of the antimicrobial drug into the circulation.

General Purpose of this Antiprotozoal Agent

The overarching general purpose of the Deprozol entity is to terminate infections caused by the susceptible bacterial and protozoal pathogens it targets. The medicine’s core utility is based on its capacity to initiate a destructive cellular process within the microbial cells, effectively preventing their ability to replicate and survive. As a potent nitroimidazole antimicrobial, the systemic application of this agent helps the body clear the source of the infection. This is particularly relevant in scenarios where a highly effective, targeted agent is required to eliminate these specific microbial threats.

What side effects are possible with Deprozol?

Deprozol, which contains the active ingredient Secnidazole, is generally well-tolerated, but like all medications, it can cause side effects. Understanding these potential effects and important safety warnings is crucial for safe use.

Common Side Effects

Side effects that are most frequently reported are typically mild and often temporary. These may include:

  • Gastrointestinal issues: Nausea, vomiting, diarrhea, abdominal pain, or an unpleasant/metallic taste in the mouth.
  • Nervous system effects: Headache, dizziness.
  • Other localized effects: Vaginal itching or a vaginal yeast infection (vulvovaginal candidiasis) may occur following treatment.

Serious Warnings and Precautions

While rare, some side effects require immediate medical attention. Contact a healthcare provider immediately if you experience signs of an allergic reaction (e.g., hives, difficulty breathing, swelling of the face, lips, tongue, or throat), or severe or watery diarrhea (which may be a sign of a more serious infection).

Key Safety Information:

Area Precaution/Warning
Alcohol Avoid all alcohol consumption and products containing propylene glycol for at least 48 hours (2 days) after completing the course of Deprozol. Combining this medication with alcohol can lead to severe side effects, including flushing, abdominal cramps, nausea, vomiting, and headaches.
Contraindications Deprozol is generally contraindicated in individuals with a known hypersensitivity or allergic reaction to Secnidazole or other similar nitroimidazole derivatives.
Pregnancy/Breastfeeding Use during pregnancy, especially in the first trimester, and while breastfeeding is generally not recommended. Consult a healthcare professional to weigh the benefits and risks.
Blood Disorders Use with caution in patients with a history of blood dyscrasias.

It is essential to inform your doctor about all existing health conditions and any other medicines, supplements, or herbal products you are taking before starting Deprozol.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents describe specific clinical manifestations associated with the overdosage of Deprozol (Secnidazole). Overdose may present with acute signs that include nausea, vomiting, and loss of coordination (ataxia). High-dose exposure is further documented to be associated with neurotoxic effects, which may manifest as seizures and peripheral neuropathy that can be delayed, sometimes appearing several days after the exposure event.

Required Emergency Actions

It is a regulatory requirement to seek immediate medical attention right away if an overdosage is suspected. You must contact emergency services (such as 911) or a poison control center immediately if the affected individual has collapsed, is experiencing a seizure, has trouble breathing, or cannot be awakened.

Management and Special Considerations

Official prescribing information confirms that no specific antidote is known for Secnidazole overdosage. Treatment provided must be symptomatic and supportive. Procedural steps such as gastric lavage may be considered in management, and the substance is officially documented as easily dialysable. A serious risk noted for this class of medicine is the potential for life-threatening acute liver failure in patients with Cockayne syndrome, which requires specific caution.

Therapeutic Uses of Deprozol

Deprozol, which contains the antimicrobial Secnidazole, is relevant for easing infections that require systemic clearance. It is commonly used to help with symptomatic conditions caused by susceptible bacteria and protozoa, including bacterial vaginosis and trichomoniasis. The core indications include specific urogenital and sexually transmitted infections, as well as parasitic diseases.

Urogenital Health and STI Management

This therapeutic domain is commonly used to help with infections like Bacterial Vaginosis (BV) and Trichomoniasis in adults and adolescents. The medication contributes to improved comfort by helping ease symptoms related to inflammatory or irritative states, such as abnormal discharge, itching, and irritation. Treatment often supports partner health and assists with maintaining functional stability related to disease spread.

Addressing Acute and Chronic Parasitic Diseases

The medication is commonly used to help with infections that are parasitic in nature. Its use in this domain is relevant for easing symptoms related to physical discomfort and symptoms that interfere with daily functioning. When managing symptoms linked to these infections, the therapy is associated with relief that helps maintain a sense of stability for the patient's gut health and assists with maintaining functional stability against the potential progression of the condition. This application is commonly used when managing episodes of sudden symptom escalation.

Quick Fact: Relief for Vulvovaginal Discomfort
Primary Focus Symptomatic relief from abnormal discharge and irritation associated with BV and Trichomoniasis.
Benefit Contributes to improved day-to-day comfort and stability during symptomatic periods.

Regulatory References

  1. Secnidazole: MedlinePlus Drug Information

Eligibility and Restrictions for Use

Eligibility Scope

Population Official Regulatory Status
Populations for whom use is allowed: Adults and adolescents 12 years of age and older for the labeled indications. Sexual partners of patients with trichomoniasis are also included in the treatment protocol.
Populations for whom use is contraindicated: Patients with known hypersensitivity to Secnidazole, any component of the formulation, or other nitroimidazole derivatives. Use is also prohibited in patients with Cockayne Syndrome.
Populations for whom use is not recommended: Breastfeeding women are advised to interrupt or not recommend breastfeeding during treatment and for 96 hours after administration. Chronic use must be avoided.
Age-related eligibility rules: Safety and effectiveness have not been established in pediatric patients under the age of 12 years. The official label includes adult and adolescent patients 12 years and older.
Condition-specific eligibility rules: The medicine must be used only to treat infections proven or strongly suspected to be caused by susceptible organisms. No specific restrictions are officially provided for patients with hepatic or renal impairment.
Eligibility-related restrictions: Consumption of alcohol or preparations containing ethanol must be avoided during treatment and for at least two days after completing therapy.

Eligibility Classifications (High-Level)

Classification Official Regulatory Status
Eligibility severity classification: Contraindicated (Hypersensitivity, Cockayne Syndrome); Not Established (Pediatric <12); Not Recommended (Breastfeeding, Chronic Use).
Eligibility-context constraints: Infection Susceptibility (must be susceptible organism); Alcohol Avoidance; Duration of Use (avoid chronic use).

Resulting Eligibility Structure

Official eligibility statements:

  • The medicine is contraindicated in patients allergic to Secnidazole or related nitroimidazole drugs.
  • Use is not established for children under 12 years of age, and safety for this group has not been demonstrated.
  • Regulatory documents state that chronic use must be avoided due to potential concerns observed in animal studies with related drugs.
  • Breastfeeding is not recommended during the 96 hours following treatment.

Connection to the overall eligibility profile: Official regulatory documents establish strict eligibility criteria by defining absolute prohibitions based on hypersensitivity or underlying conditions, specifying populations where use is not established (children <12), and documenting clear restrictions on chronic administration and alcohol consumption.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes interactions of Deprozol (Secnidazole) that are officially documented in government regulatory labeling. Interaction classifications and restrictions are based strictly on findings from authoritative health agencies.

Pharmacodynamic and Substance Interactions

Interacting Substance Official Interaction Finding Required Restriction
Alcohol (Ethanol/Propylene Glycol) May cause a disulfiram-like reaction (e.g., nausea, dizziness). Must be strictly avoided during therapy and for at least 2 days after treatment ends.
Warfarin (Oral Anticoagulants) The drug may potentiate the anticoagulant effect. Use requires awareness of an officially increased risk of bleeding.
Disulfiram Co-administration is advised against due to the documented risk of central nervous system (CNS) effects, including confusion. Prohibited combination in some regulatory regions.

Pharmacokinetic and Population-Specific Notes

  • Oral Contraceptives: Clinical studies found no clinically significant drug interaction when Deprozol was co-administered with combination oral contraceptives containing ethinyl estradiol and norethindrone.
  • Food Effect: The drug’s systemic exposure (absorption) is not significantly altered by food; it may be taken without regard to meals, including mixed with soft foods like yogurt or applesauce.
  • Cockayne Syndrome: Deprozol is formally contraindicated in patients with this condition due to the interaction-related risk of severe hepatotoxicity observed with related nitroimidazole compounds.
  • Severe Hepatic Disease: Regulatory documents indicate that consideration should be given to a dose reduction for patients presenting with severe liver disease.

Mechanism of Action

How Deprozol Works

The core action of Deprozol (Secnidazole) is based on selective cytotoxicity, where the mechanism of destruction is highly restricted to specific susceptible microbial cells. The drug's effect profile is defined by two key mechanistic domains.

Activation by Microbial Nitroreductases

The drug is an inactive prodrug that requires a specific step for activation. Within susceptible anaerobic organisms, enzymes known as nitroreductases convert the drug into highly toxic, unstable intermediates. This dependency on microbial enzymes determines selective toxicity, as these activating pathways are largely absent in host cells, thus restricting the activation of the lethal mechanism to the pathogen.

DNA Damage and Pathogen Elimination

Once activated, these radical intermediates immediately target the pathogen’s DNA and essential cellular proteins, causing irreparable damage such as strand fragmentation. This molecular assault rapidly compromises the pathogen's ability to replicate and sustain energy. The resulting bactericidal and protozoacidal action leads to the widespread elimination of susceptible pathogens, which constitutes the core mechanistic consequence.

Limitation by Oxygen Tension

The destructive mechanism is strictly limited by the environment. The reductive activation process requires low oxygen tension (anaerobic conditions); the presence of oxygen interferes with the formation of the toxic radical intermediates. This constraint restricts the activity of the mechanism to environments characterized by low oxygen tension and explains why the drug is fundamentally ineffective against aerobic pathogens.

Dosage and Administration Information

How to use Deprozol

Deprozol, which contains the active substance Secnidazole, is administered via the oral route as a short-course therapy. The adult regimen for common indications like Bacterial Vaginosis and Trichomoniasis involves a single 2 g dose. This method distinguishes its usage pattern from multi-day antimicrobial courses.


Administration Conditions and Preparation

The medicine can be taken without regard to the timing of meals. When using the granular form, specific preparation is required: the entire contents of the 2 g packet must be sprinkled onto one tablespoon of a soft food, such as applesauce, yogurt, or pudding. The prepared mixture must then be consumed within 30 minutes.

Administration Constraint Labeled Instruction
Granule Integrity Do not chew, crush, or crunch the granules.
Liquid Do not dissolve the dose in any liquid; a glass of water may follow consumption.

Population-Specific Procedural Rules

The application of Deprozol includes patients 12 years of age and older. For the treatment of Trichomoniasis, the single 2 g dose is administered simultaneously to sexual partners as a procedural step. For certain parasitic infections, regimens may specify a course of 1.5 g per day for five days.

Recent Clinical Evidence

Research evidence / Overview of Studies for Deprozol

Evidence Foundation for Specific Infections

The evidence base for Deprozol consists primarily of clinical research, including well-structured studies conducted to explore the compound's application in conditions associated with specific microbial and protozoal manifestations. These studies evaluated outcomes related to infection clearance and symptom patterns. Studies explored various populations and monitored short-term changes that were observed in study participants. This body of work, reviewed by governmental health authorities, provides context for understanding how the compound was evaluated for its intended uses.

Evidence for use in Bacterial Vaginosis (BV)

The research exploring Bacterial Vaginosis was studied in contexts related to conditions characterized by fluctuating or episodic manifestations. These evaluations primarily used short-term, randomized, placebo-controlled trials. Research examined adult women and postmenarchal adolescents. The outcomes that were evaluated in these studies included the Clinical Outcome Responder Rate, which assesses changes in symptoms and specific microscopic findings, and flora normalization.

Findings describe patterns observed in the studies where outcomes linked to inflammatory or irritative states were observed in the study population. Because the follow-up durations were limited (typically 21 to 30 days post-treatment), there is limited information for long-term outcomes regarding recurrence patterns.

Evidence for use in Trichomoniasis

For the evaluation of Trichomoniasis, the medicine was evaluated in randomized, controlled clinical trials in both men and women. Research specifically examined the clearance of the T. vaginalis organism, which is a key metric in evaluating this sexually transmitted infection. Studies monitored a primary objective known as the Microbiological Cure Rate, which required confirmation that the organism was no longer present at a scheduled follow-up visit.

Data showed patterns related to the monitored outcomes across the studied groups, including patient subgroups co-infected with HIV or Bacterial Vaginosis. Comparative evidence is lacking for a direct, head-to-head comparison against all alternative multi-dose regimens for this infection.

What is Still Uncertain About Deprozol Research

A key area where long-term effects are not fully established is the patterns of infection recurrence following treatment. The full extent of long-term outcome patterns may not be fully known because follow-up durations were limited in the pivotal trials. Additionally, research does not determine whether an individual will respond similarly to the group patterns observed in the studies.

Frequently Asked Questions (FAQ)

Common questions about Deprozol (FAQ)

Q: What do I do if I miss a dose of Deprozol?

A: Deprozol is intended to be taken as a single, one-time dose. According to official product information, if the dose is missed, it is generally suggested to take the dose as soon as it is remembered.

However, if it is nearly time for your next regularly scheduled dose (a few days later), regulatory guidance states to wait and take the next dose as planned. It is important not to take more than one dose at a time to compensate for a missed amount.

Q: What is the specific maximum temperature I can store Deprozol at?

A: Official product information states that Deprozol should be stored at a Controlled Room Temperature, ranging from 20 C to 25 C (68 F to 77 F).

Regulatory documents permit brief temperature excursions up to 30 C (86 F). The medicine should be kept in its closed container and protected from freezing.

Q: What do I do if I am still having symptoms after I finish Deprozol?

A: If new or persistent symptoms are experienced after completing the course of Deprozol, contacting a healthcare provider is generally recommended. Regulatory information advises immediately seeking medical help if severe symptoms such as signs of a severe allergic reaction or severe diarrhea develop.

It is also noted in safety information that a vaginal yeast infection (vulvovaginal candidiasis) can potentially occur following treatment, which may require separate treatment with an antifungal medicine.

Q: Can I take an antacid or heartburn medicine with Deprozol?

A: Clinical data reviewed by the FDA found that the active ingredient in Deprozol, Secnidazole, showed minimal potential for significant interactions with common drug metabolic processes in the body. However, official regulatory labeling advises discussing all medicines and supplements you are taking, including over-the-counter heartburn or antacid products, with a healthcare provider before starting treatment.

How should Deprozol be stored and disposed of?

How to Store and Dispose of Deprozol (Secnidazole)

The medicine must be stored at Controlled Room Temperature, which is 20 C to 25 C (68 F to 77 F). Storage must ensure the product is kept from freezing and stored in a closed container.

Stability and Handling

Deprozol must be kept out of the reach of children. A crucial stability constraint applies after preparation: once the oral granules are mixed with soft food, the entire mixture must be consumed within 30 minutes.

Disposal

Unused or expired Deprozol should be handled according to federal guidelines. This involves using a drug take-back program or disposing of it in the household trash after mixing it with an undesirable substance. Before discarding the packaging, all personal identifying information on the label must be scratched out.

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

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