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Zincteral-Teva

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Zincteral-Teva

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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.

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Overview of Zincteral-Teva

Zincteral-Teva: At a Glance

Property Description
Active ingredient Zinc sulfate
Form Film-coated tablet (Oral)
Pharmacological class Minerals and Electrolytes
Common use Treating and preventing zinc deficiency
Origin Synthetic

Zincteral-Teva is a prescription medicine classified as a mineral supplement that provides the essential nutrient zinc to the body, manufactured and distributed under the Teva brand.

This specific formulation is supplied as a readily absorbed film-coated tablet intended for oral administration. The medication's core function is to restore and maintain proper levels of zinc, a vital trace element necessary for numerous bodily functions. Zinc is utilized in immune function, wound healing, and growth processes. The medicine is synthetic in origin, meaning its components are produced through a chemical process for a consistent therapeutic profile.


What is the Main Ingredient and Pharmacological Class?

The primary active ingredient in Zincteral-Teva is zinc sulfate, a mineral compound that belongs to the pharmacological class of Minerals and Electrolytes.

Zinc sulfate is the Active Pharmaceutical Ingredient (INN) responsible for delivering elemental zinc. As a member of the Minerals and Electrolytes class, its general function is to correct imbalances or deficiencies of essential inorganic elements within the body. Mineral products containing zinc are intended to treat deficiencies of essential nutrients. This specific formulation of zinc sulfate ensures a controlled dose for clinical use.


What is its General Therapeutic Purpose?

The general therapeutic purpose of Zincteral-Teva is to treat and prevent clinical conditions arising from a confirmed zinc deficiency (hypozincemia).

Zinc plays a critical role as a cofactor for numerous enzymes involved in cell division and protein synthesis. By providing a medically regulated source of zinc, the medication helps restore the body's stores of this vital element. The goal is to return overall zinc levels to a healthy range, thereby supporting the various physiological systems that rely on adequate zinc for normal function.

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What side effects are possible with Zincteral-Teva?

Possible Side Effects and Safety Information

This section outlines the officially documented adverse reactions and key safety characteristics of Zincteral-Teva (zinc sulfate) based strictly on governmental regulatory prescribing information.


Frequency-Classified Adverse Reactions

The most frequently classified reactions are related to the Gastrointestinal System. Reactions are grouped according to their incidence in official labeling:

  • Very Common (ge 1/10): Vomiting.
  • Common (1/100 to 1/10): Regurgitation.
  • Frequency Not Known: This category includes effects such as abdominal pain, nausea, dyspepsia, and gastritis. Other reactions documented in official reports include headache, irritability, and lethargy.

System-Organ Classes and Serious Safety Concerns

The medicine's safety profile is formally categorized across multiple System-Organ Classes, including Gastrointestinal Disorders, Nervous System Disorders, and General Disorders.

Regulatory documents also detail safety patterns linked to exposure duration:

  • Time-Related Patterns: Gastrointestinal reactions like vomiting and regurgitation are often observed at the initiation of treatment, occasionally occurring shortly after the first dose.
  • Long-Term Exposure Risk: Prolonged, high-dose use carries a documented risk of developing Copper Deficiency. This deficiency can lead to secondary serious blood disorders classified as Blood and Lymphatic System Disorders, such as sideroblastic anaemia.

Safety Restriction

Use is contraindicated in patients with a known history of hypersensitivity or allergy to zinc sulfate. The official labeling notes that zinc may inhibit the intestinal absorption of copper.

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Overdose and Emergency Response

Overdose and when to seek help for Zincteral-Teva

Acute overdose from Zincteral-Teva (zinc sulfate) is defined by regulatory documents as zinc toxicity resulting from the ingestion of massive doses. The documented manifestations are centered on the gastrointestinal tract, including severe nausea, vomiting (emesis), diarrhea, and diffuse abdominal pain. Other systemic presentations may involve fever, a metallic taste, restlessness, and lethargy (sleepiness).

In the most severe cases, the acute corrosive nature of the overdose may lead to gastric irritation, ulceration of the stomach, possible perforation of the GI tract, and hematemesis (vomiting blood). Life-threatening outcomes formally documented include acute renal tubular necrosis and, in extreme instances, cardiac failure.

The regulatory instruction for acute overdose is to seek immediate emergency medical attention. If the recommended dose is exceeded, consulting a doctor is advised. Management is limited to symptomatic and supportive treatment, as no specific antidote is generally specified in official labeling. A population-specific consideration notes that patients with renal failure face an increased risk of zinc accumulation. For cases of prolonged high-dose exposure, the risk of developing copper deficiency warrants specific monitoring.

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Therapeutic Uses of Zincteral-Teva

This medication is applied in addressing symptoms related to systemic imbalance, where additional symptomatic support is needed. This applies to conditions affecting immune function, wound healing, and growth. This medication is commonly used to help with symptoms that create noticeable physiological strain.


Therapeutic Benefits and Uses

This medication helps address symptom clusters related to a weakened immune system, increased susceptibility to infections, poor skin health, and slow healing of cuts, sores, or unexplained rashes. It is also relevant for managing sensory disturbances like loss of taste or smell, and for supporting normal growth in children where the deficiency is present. The supportive therapeutic benefit contributes to improved comfort during periods of heightened symptoms and may assist in reducing the overall symptom burden during symptomatic phases. It is applied across domains where additional symptomatic support is needed.

“This medication assists with maintaining functional stability and supports patients during episodes of heightened discomfort.”

Supports Symptomatic Relief for Taste and Growth: The medication is commonly used when symptoms interfere with daily comfort, such as when loss of taste or smell affects appetite, or when impaired growth in children creates noticeable physiological strain.

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Eligibility and Restrictions for Use

Official Eligibility Profile

The eligibility for Zincteral-Teva (zinc sulfate) is determined by official regulatory criteria, which define both who can use the medicine and populations for whom it is contraindicated or restricted.

Contraindicated Populations:

  • Hypersensitivity: Individuals with known allergy to the active ingredient, zinc sulfate, or to any of the tablet's excipients are contraindicated.
  • Copper Deficiency: Use is contraindicated in patients with a diagnosed Copper Deficiency, as zinc can inhibit copper absorption, potentially worsening the condition.

Age-Group and Condition-Specific Eligibility:

Population Group Regulatory Status Constraint Context
Children & Infants Eligible for use. Established for deficiency treatment, with specific guidelines for infants as young as under six months.
Renal Impairment Use with Caution. Caution is advised due to the labeled risk of zinc accumulation in cases of renal failure.
Pregnancy/Lactation Safety not established. Human safety is not established in regulatory documents; use is considered only if necessary.

These official regulatory statements define the boundaries for safe and appropriate use, focusing strictly on population eligibility rather than dosing or therapeutic outcomes.

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What should I know about interactions with other medicines?

The interaction profile of Zincteral-Teva (zinc sulfate) is defined by pharmacokinetic absorption interference in the gastrointestinal tract. This is primarily mediated by chelation, where the zinc ion forms complexes with other medicinal products, and competitive absorption with other essential mineral ions.

Interaction Scope

Medicinal products such as tetracycline and quinolone antibacterials are officially documented to interact with zinc sulfate. This interaction causes a reduction in the absorption and effectiveness of both the antibiotic and the zinc. Regulatory documents establish mandatory timing separation rules for these classes and the chelating agent Penicillamine, requiring doses to be separated by at least 3 hours. Other drugs, including Dolutegravir, Eltrombopag, and the iron chelator Deferiprone, are also noted to have reduced systemic exposure when taken concurrently with zinc salts.

Interaction-Related Restrictions

Zincteral-Teva interacts via competitive absorption with other mineral supplements. Co-administration with Oral Iron or Calcium Salts can lead to a mutual reduction in bioavailability. Long-term, high-dose zinc use is documented to inhibit copper absorption, potentially resulting in a copper deficiency. Furthermore, the absorption of Zincteral-Teva is significantly reduced by specific dietary components, notably phytates found in high-fiber and whole-grain foods, necessitating separation from meals for optimal uptake. The risk of zinc accumulation is noted for patients with renal dysfunction due to reduced clearance.

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Mechanism of Action

The mechanism of Zincteral-Teva involves the systemic supply of the essential Zn^2+ ion, which is utilized as a vital cofactor, structural component, and modulator by the body. Its action is broad, enabling the function of hundreds of zinc-dependent biological systems and thereby addressing the deficit of the Zn^2+ ion in cellular processes.


Restoring Catalytic Function and Structural Integrity

The Zn^2+ ion is delivered to reactivate over 300 different metalloenzymes, including those necessary for DNA and RNA synthesis, which supports the molecular basis for cell division and growth. Furthermore, Zn^2+ structurally stabilizes zinc finger proteins, ensuring the proper function of key transcription factors that regulate vast segments of the genome. This core mechanistic domain leads directly to the facilitation of metabolic and growth processes dependent on Zn^2+.


️ Modulation of Immune Signaling and Inflammation

Zn^2+ acts as an ionic signal, critically influencing immune cell function, particularly the maturation of T-lymphocytes and the balance of immune mediators. The mechanism involves dampening inflammatory responses by modulating the NF-kappa B signaling pathway, which limits the excessive production of pro-inflammatory cytokines. This system-level modulation modulates immune cell function and dampens NF-kappa B-mediated inflammatory signaling.


Epithelial Integrity and Antioxidant Enzyme Activation

The Zn^2+ ion is required for the structural integrity of rapidly renewing surfaces, such as the skin and intestinal lining, by promoting the proliferation of epithelial cells. Mechanistically, it is a crucial component of the body's defense system, as it is required for the activation of Superoxide Dismutase ( SOD). This SOD activation enables the cellular capacity to neutralize reactive oxygen species ( ROS), resulting in involvement in oxidative stress management and tissue maintenance.

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Dosage and Administration Information

How to Use Zincteral-Teva: Administration Guidelines

This section outlines the standardized usage patterns for oral zinc sulfate, focusing strictly on administration protocols.


Administration Scope

The route of administration for Zincteral-Teva is oral, supplied as a film-coated tablet that must be swallowed whole with a full glass of water. Dosing is based on the elemental zinc content, not the total salt weight (zinc sulfate).

Component Instruction/Pattern
Dosing Regimen (Adults) Therapeutic regimens for deficiency typically use a range of 25 mg to 50 mg of elemental zinc per day. Dosing must not exceed the Tolerable Upper Intake Level (UL) of 40 mg per day for most adults.
Timing in Relation to Meals To ensure maximum absorption, the tablet should ideally be taken on an empty stomach, generally one hour before or two to three hours after eating. If the dose causes gastrointestinal discomfort, it may be taken with food.
Frequency and Duration The regimen is commonly once daily, although the total daily dose may be administered in divided doses. Treatment duration is typically a long-term course, continuing until body stores of zinc are fully replenished and maintained.

Population and Procedural Structure

Age-Group Administration Rules: Pediatric administration requires adjustments, with specific daily elemental zinc doses (e.g., 10 mg/day or 20 mg/day) often used for fixed, short-duration courses in children, with the dose varying by age.

Connection to the overall use protocol: The established protocol structures the use of Zincteral-Teva around maximizing the absorption of elemental zinc through specific meal-timing constraints and oral delivery. This daily frequency is designed to sustain a therapeutic level of the micronutrient necessary for correcting the underlying deficiency.

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Recent Clinical Evidence

Research Focus and Initial Investigations

Research on the active ingredient, zinc sulfate, has primarily focused on its role as an essential micronutrient and its potential use in conditions associated with low zinc levels. Early-stage studies investigated potential differences in disease activity in moderate to severe cases of certain conditions, particularly in subgroups where nutrient deficiencies are common.

  • Preclinical Focus: Preclinical research investigated the drug's properties, with findings reported to suggest an impact on the immune response and inflammatory markers. However, it is not yet clear whether this directly translates into specific clinical outcomes.
  • Monotherapy Trials: Initial trials evaluated whether the medication alone was associated with changes in disease activity over periods such as 12 weeks. Results from these trials have been described as varied across different study populations.

Combination and Symptom Research

Clinical research has explored whether the combination of zinc sulfate with standard treatment regimens may be associated with reduction in symptoms and might be linked to improvements in patient quality of life.

  • Phase 3 Outcomes: Large-scale randomized controlled trials (RCTs) explored whether a zinc sulfate strategy could be associated with specific outcome scores compared to placebo or monotherapy over a defined period.
  • Symptom Management: Research also evaluated whether the ingredient may be associated with a reduction in certain symptoms, such as the duration of acute episodes in specific populations like children with diarrhea, as outlined in World Health Organization (WHO) protocols.

Adverse Events and Tolerability

The majority of studies included a comprehensive assessment of adverse events (AEs). Common adverse events reported across trials involving oral zinc sulfate typically include gastrointestinal discomfort, such as nausea, vomiting, and abdominal pain.

  • AE Tracking: Researchers tracked the occurrence and severity of reported AEs during the trial periods. To manage common adverse events, study protocols often advised administration with food.
  • Specific Patient Groups: Researchers also investigated the effects of zinc sulfate on different patient groups, including studies focused on patients with underlying conditions like chronic liver disease, where zinc deficiency is frequently observed.
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Frequently Asked Questions (FAQ)

Common questions about Zincteral-Teva (FAQ)


Q: What is Zincteral-Teva primarily used for?

According to the official product information, Zincteral-Teva is used to treat zinc deficiency. This occurs when the body does not have enough zinc for normal functioning. The medicine is specifically indicated for situations where this deficiency has been diagnosed.


Q: Is there a specific way I should take Zincteral-Teva (e.g., with food)?

Official regulatory documents state that the tablet should be taken with or immediately after a meal. This method of administration is recommended to help minimize the chances of gastric irritation. Regulatory documents indicate the tablets should be swallowed whole with liquid and not chewed or sucked.


Q: Can Zincteral-Teva be used for conditions other than zinc deficiency?

The official product documentation strictly indicates Zincteral-Teva only for the treatment of a diagnosed zinc deficiency. The medicine is not registered or approved for other uses. Any questions about potential uses outside the approved indication should be discussed with a healthcare provider.


Q: What should I do if I miss a dose of Zincteral-Teva?

If a dose of Zincteral-Teva is missed, the official recommendation is to skip the missed dose and take the next dose at the regularly scheduled time. Patients should not take a double dose to make up for a forgotten one. Continuing with the normal dosing schedule is consistent with the product instructions.


Q: Can Zincteral-Teva affect lab results (e.g., blood tests)?

Official product information indicates that zinc can interfere with certain laboratory tests, potentially affecting the measurement of copper in the blood. Patients are advised in the product documentation to inform healthcare providers and laboratory staff about taking Zincteral-Teva if they are undergoing blood tests.


Q: What are the common symptoms of a zinc overdose or toxicity?

While regulatory sources do not provide a complete list of symptoms, they advise that an overdose can lead to stomach pain, nausea, and vomiting. Product instructions state that in the event of an overdose, a doctor or emergency medical service should be contacted immediately. Patients are instructed to strictly avoid taking excessive amounts of zinc.

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How should Zincteral-Teva be stored and disposed of?

How to Store and Dispose of Zincteral-Teva

The storage and disposal of Zincteral-Teva (zinc sulfate heptahydrate) tablets must strictly follow regulatory instructions to ensure product quality and environmental safety.


Official Storage Conditions

Requirement Detail
Temperature Store at a temperature not exceeding 25°C (77°F).
Protection Keep in a dry place; protect from light and moisture by storing the blister pack in the original outer carton.
Safety The medicine must be kept out of the sight and reach of children.
Stability Do not use the tablets after the expiry date printed on the carton.

Disposal Instructions

Unused or expired Zincteral-Teva must not be disposed of in household waste or poured into wastewater (drains or sewers). The active ingredient is classified as toxic to aquatic life. Disposal of the product and its container must be carried out in accordance with local and national regulations.

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

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