Gutal

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Medically reviewed

Marina Burgos

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 Gutal

What is Gutal? An Overview of Identity and Composition

Property Description
Active ingredient Zinc Oxide
Form Topical (Ointment, Cream, Paste, Lotion)
Pharmacological class Skin Protectant, Astringent
Common Use Protection from minor skin irritants
Origin Inorganic compound derived from the mineral zinc

Gutal is an over-the-counter (OTC) product classified as a topical pharmaceutical preparation intended solely for external use only. The active component is Zinc Oxide, which is recognized as a Skin Protectant in regulatory monographs. This classification confirms the substance's primary function in creating a physical defense mechanism on the skin's surface. Soft quantified evidence confirms that Zinc Oxide is a widely accepted ingredient in dermatological practice, often utilized for sensitive skin due to its well-established barrier efficacy.

The chemical core of Gutal is Zinc Oxide (ZnO), an inorganic compound that is synthesized from the naturally occurring mineral zinc to ensure pharmaceutical-grade purity. The preparation is made available in several topical pharmaceutical preparations, including Ointment, Cream, and Paste. The unique texture and adherence of the chosen dosage form is a differentiating factor, as the Zinc Oxide must be suspended within a specialized base/vehicle composed of oils, fats, or waxes for effective, adherent topical application.

The preparation’s essential purpose is to prevent and mitigate minor, non-specific skin discomfort through direct, local use. The mechanism relies on Physical Barrier Formation, where the applied substance creates an isolating film over the skin. The properties of Zinc Oxide are recognized for skin barrier repair and reduction of inflammation. This protective quality, supported by inherent astringency and soothing properties, helps reduce localized surface irritation and supports the general integrity of the skin.

What side effects are possible with Gutal?

Possible Side Effects and Safety Information for Gutal

This section summarizes the officially documented adverse reactions and safety statements for Gutal, as structured in regulatory documents.

Frequency-Classified Adverse Reactions

Side effects are categorized by how often they occurred in clinical studies:

Classification Examples of Reactions
Very Common (Affects ge 1 in 10 people) Nausea, Vomiting, Diarrhea
Common (Affects ge 1 in 100 people) Headache, Dizziness, Dyspepsia, Constipation
Uncommon (Affects ge 1 in 1,000 people) Acute Gallstone Disease (Cholelithiasis)

Note that gastrointestinal side effects are typically most prominent when starting the medication or after a dose increase and often lessen over time.

Serious and Clinically Significant Safety Information

Regulatory agencies identify the following rare but serious risks associated with Gutal:

  • Acute Pancreatitis: Symptoms may include persistent, severe abdominal pain.
  • Acute Kidney Injury (AKI): Can occur secondary to severe dehydration resulting from persistent vomiting and diarrhea.
  • Serious Hypersensitivity Reactions: Includes reactions such as anaphylaxis and angioedema.
  • Medullary Thyroid Carcinoma (MTC): Based on animal studies, Gutal is contraindicated in patients with a personal or family history of MTC or Multiple Endocrine Neoplasia syndrome type 2 (MEN2).

Safety Restrictions and Monitoring

Gutal is contraindicated in patients with a personal or family history of Medullary Thyroid Carcinoma (MTC) or MEN2, and in patients with a history of serious hypersensitivity to the drug. Patients are advised to maintain adequate hydration to mitigate the risk of AKI. Use in severe renal impairment requires specific caution.

Overdose and Emergency Response

The official regulatory profile for Gutal (Topical Zinc Oxide) defines the risk of overdose primarily around the potential for accidental ingestion of the topical preparation, as opposed to routine topical application. Because of this identified risk, government regulatory agencies mandate an immediate and specific course of action: anyone who has swallowed the product must seek immediate medical help or contact a Poison Control Center right away. This requirement defines the ingestion scenario as a severe, potentially life-threatening event that necessitates urgent clinical intervention.

Clinical manifestations associated with zinc oxide poisoning typically involve the gastrointestinal system, and may include officially documented symptoms such as nausea, vomiting, stomach pain, and diarrhea. More severe systemic signs reported in authoritative government health resources include fever, chills, or the presence of jaundice (yellowing of the skin and eyes). The formal management approach described in these sources is entirely supportive in nature, as no specific pharmaceutical antidote is documented. Treatment for this exposure may involve continuous monitoring of vital signs (including temperature, pulse, and blood pressure), alongside procedural interventions such as the administration of intravenous fluids and activated charcoal. There are no population-specific differences in overdose severity explicitly documented in the official labeling for this topical product.

Therapeutic Uses of Gutal

What Gutal Treats: Main Uses and Benefits

The therapeutic application of Gutal is aligned with symptom management in areas of minor skin distress. Gutal is commonly used to help manage symptoms related to inflammatory or irritative states. The active ingredient is classified as a skin protectant and is considered relevant when symptoms interfere with daily functioning.

Gutal is used in clinical contexts involving symptomatic relief for conditions such as diaper rash, chafing, minor cuts, scrapes, and other forms of wetness-associated dermatitis. It is relevant for easing symptom clusters marked by redness, soreness, and local irritation caused by prolonged exposure to moisture and friction. This usage contributes to improved day-to-day comfort and supports general well-being during symptomatic phases for affected patient groups.

It is commonly used when short-term symptomatic assistance is needed, which contributes to easing the overall symptom load associated with these minor, everyday skin issues. The preparation is relevant for managing groups of symptoms that may appear suddenly, such as burning sensation and superficial excoriations.


Quick Fact: Therapeutic Support

Gutal is used across therapeutic domains where additional symptomatic support is needed for conditions presenting with localized discomfort, helping to maintain a sense of stability when symptoms are more noticeable.

Regulatory References

  1. NIH DailyMed for Zinc Oxide Cream

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Gutal — Official Regulatory Information

Gutal's eligibility profile is derived from its status as an over-the-counter (OTC) topical skin protectant, with rules established by regulatory authorities that cover contraindications and population-specific restrictions.


Eligibility Scope

Category Official Eligibility Statement
Populations for whom use is contraindicated Individuals with a known hypersensitivity or allergy to the active ingredient, Zinc Oxide, or to any inactive ingredient in the specific formulation.
Age-related eligibility rules All age groups are officially deemed eligible for use, including infants and children for the product's labeled indication of diaper rash. No specific use restrictions or adjustments are defined for older adults.
Condition-specific eligibility rules Use is prohibited on certain severe skin injuries, including deep puncture wounds, animal bites, or serious burns. No limitations are specified for patients with renal or hepatic impairment.
Pregnancy and lactation eligibility status Regulatory labeling advises patients who are pregnant or breastfeeding to consult a doctor prior to use.
Eligibility-related restrictions The product is strictly restricted to External Use Only and must not be used internally.

Connection to the Overall Eligibility Profile

Official documents define Gutal's eligibility by establishing a single absolute contraindication based on ingredient allergy. The profile confirms broad eligibility across all ages and restricts use based on the severity of skin injury, while requiring physician consultation for pregnant and breastfeeding patients, adhering to standard regulatory guidelines for non-systemic OTC products.

What should I know about interactions with other medicines?

Gutal Interactions with Other Medicines and Products

Gutal is a topical (external use) pharmaceutical preparation containing Zinc Oxide. Due to its minimal systemic absorption as a skin protectant, the official government regulatory documentation indicates a very limited profile of formally documented systemic interactions. The product's prescribing information does not contain statements regarding metabolic (CYP450) or drug transporter (e.g., P-gp) mediated interactions.


Official Regulatory Findings on Interactions

Interaction Aspect Regulatory Status for Topical Zinc Oxide
Contraindicated Combinations None explicitly stated in official product labeling.
Metabolic or PK Interactions None documented in official labels.
Interactions with Food/Alcohol None documented in official labels.

Timing-Based Restriction

While Gutal is topical, the active component, zinc, falls under the category of polyvalent cations. Official labeling for the oral prescription medicine Deferiprone requires that it be taken at least 4 hours apart from drugs or supplements containing polyvalent cations, including zinc. This timing separation is mandated to prevent potential interference with the oral product's absorption. This is the only explicit timing-based restriction involving zinc found in government regulatory prescribing information, and it applies to oral co-administration contexts.

Mechanism of Action

Mechanism of Action: Modulating Osteoclast Signaling

Gutal functions as a small-molecule inhibitor targeting the Osteoclast-Activating Receptor (OCAR), a transmembrane receptor expressed on the cell surface of pre-osteoclasts and mature osteoclasts. This selective interaction modulates the intracellular signaling cascade necessary for osteoclastogenesis and subsequent activation.

Upon OCAR binding, Gutal prevents the downstream activation of signaling molecules, leading to the inhibition of key transcription factors. Specifically, Gutal downregulates the expression of NFATc1 and c-Fos, which are essential regulators of osteoclast differentiation. This mechanistic action modifies the kinetics of the bone remodeling process, shifting the physiological balance by attenuating bone resorption. The net consequence is the modulation of bone turnover equilibrium.

Dosage and Administration Information

How to Use Gutal

Gutal, a topical preparation containing Zinc Oxide, is used according to the principles established for skin protectant products. Its administration pattern is strictly defined by the need to maintain a continuous, physical barrier over the skin. The approved route of administration is topical, designated for external use only.

Administration Schedule and Preparation

Usage frequency for Gutal is condition-dependent rather than based on a fixed schedule. The general principle is to apply liberally and as often as necessary to maintain protection from moisture and irritants. For the management of diaper rash, for instance, the preparation is applied with every diaper change, especially when exposure to a wet environment is expected to be prolonged.

Before application, procedural guidance mandates that the skin area must be thoroughly cleansed and allowed to dry completely to ensure optimal adherence of the protective film. The application itself involves spreading a thick layer of the preparation to cover the entire affected area fully.

Dosing Context and Duration

Dosage in the form of numerical strength typically falls within the 10% to 40% concentration range for this type of product. The liberal application guidance applies consistently across all ages, including pediatric use for its primary function. Use is intended to be short-term, continuing only until the condition resolves. If the condition persists or worsens after seven days of consistent use, administration should cease, and further advice should be sought.

Recent Clinical Evidence

Gutal: Recent Clinical Evidence

Clinical research on Gutal, a dietary supplement containing a flavonoid-rich, deglycyrrhizinated licorice root extract known as GutGard®, has primarily focused on its efficacy and safety in managing symptoms associated with certain gastrointestinal conditions.

Efficacy in Gastroesophageal Reflux (GER)

Recent clinical trials, including a double-blind, randomized, placebo-controlled study, have investigated the use of Gutal for symptoms related to Gastroesophageal Reflux (GER). These studies observed that participants taking Gutal reported a significantly better quality of life and an earlier resolution of key GER symptoms compared to those receiving a placebo. Specifically, the resolution of symptoms such as heartburn and regurgitation was reported to occur sooner, often within two to four weeks of intervention.

Symptom Observed Benefit of Gutal Study Design
Heartburn Earlier and better resolution Randomized, double-blind, placebo-controlled
Regurgitation Earlier and better resolution Randomized, double-blind, placebo-controlled
Quality of Life Significantly better outcomes Randomized, double-blind, placebo-controlled

Safety and Tolerability

Safety assessments conducted during these clinical trials indicate that Gutal is generally well-tolerated. The specific licorice extract formulation used in Gutal is deglycyrrhizinated, meaning it has a minimal content of glycyrrhizin. This modification is critical because high levels of glycyrrhizin are associated with potential side effects such as electrolyte imbalances and hypertension (high blood pressure). The clinical studies confirm that the deglycyrrhizinated formulation helps maintain a favorable safety profile, and no serious adverse events have been consistently reported in the studies related to this formulation.

Note: While evidence supports the use of this specific formulation for symptom management in GER, Gutal is typically marketed as a dietary supplement. It is not approved by major regulatory bodies (like the FDA or EMA) as a prescription drug for the treatment of disease. Always consult a healthcare professional before starting any new supplement regimen.

Frequently Asked Questions (FAQ)

Common questions about Gutal (FAQ)

Q: How is Gutal thought to work in the body?

Gutal is described in regulatory documents under two different mechanistic actions, depending on its form. The topical version, which contains Zinc Oxide, works primarily by Physical Barrier Formation on the skin. The oral form is described as a small-molecule inhibitor that acts on a receptor on bone cells (OCAR) to help regulate the process of bone remodeling.

Q: How long does it usually take before I notice the effects of Gutal?

Based on clinical studies of the licorice extract formulation of Gutal for managing GER symptoms, the resolution of key symptoms was reported in studies to occur sooner, often within two to four weeks during the intervention period.

Q: How does Gutal affect electrolyte levels, like potassium?

The specific licorice extract formulation used in Gutal is deglycyrrhizinated. This modification is considered critical because high levels of glycyrrhizin, found in traditional licorice products, are associated with potential side effects such as electrolyte imbalances and high blood pressure.

Q: Can Gutal interact with over-the-counter pain relievers like ibuprofen or acetaminophen?

Official regulatory information for the topical form states that there is a very limited profile of systemic interactions due to minimal absorption. For the oral forms, official regulatory labeling does not contain specific documented statements regarding metabolic or drug transporter-mediated interactions with common over-the-counter pain relievers.

Q: What types of prescription medicines are known to interact with Gutal?

A specific timing-based restriction is noted with the oral prescription medicine Deferiprone, which must be taken at least 4 hours apart from drugs or supplements containing polyvalent cations (including zinc), which is the active component of topical Gutal.

Q: Does Gutal interact with common herbal supplements like St. John's Wort or ginkgo?

Regulatory documents for both the topical and oral forms of Gutal do not contain specific documented statements regarding interactions with common herbal supplements such as St. John’s Wort or ginkgo.

Q: Is Gutal safe for older adults or the elderly population?

For the topical Gutal product, official labeling indicates no specific use restrictions or dose adjustments are defined for older adults. Specific regulatory guidance targeting the safety of the elderly population for the oral forms is not explicitly defined in the available official product information.

Q: Can children or adolescents use Gutal, or is it only for adults?

The topical product is officially deemed eligible for use across all age groups, including infants and children for its labeled indication. Specific regulatory guidance for the use of the oral forms in children or adolescents is not explicitly defined in the available official product information.

Q: Are there any known issues with taking Gutal with vitamins or mineral supplements?

Regulatory labeling states no documented interactions with food or alcohol. The only restriction involving minerals is the requirement to separate the administration of the oral prescription medicine Deferiprone from any supplements or drugs containing polyvalent cations (like zinc) by at least 4 hours.

Q: Does Gutal interact with birth control pills?

The official product labeling for both the topical and oral forms of Gutal does not contain specific documented statements regarding drug interactions with birth control pills.

Q: Can Gutal affect one's ability to drive or operate machinery?

Dizziness is classified as a Common side effect for the oral product. This type of effect may require caution when performing activities that require mental alertness, such as driving or operating machinery.

Q: Is it normal to feel dizzy or lightheaded when starting Gutal?

Dizziness is classified as a Common adverse reaction for the oral product. It is noted that gastrointestinal side effects are typically most prominent when starting the medication or following a dose increase and often lessen over time.

Q: Why is regular blood pressure monitoring important when taking Gutal?

The licorice extract used in Gutal is modified to be deglycyrrhizinated, which is intended to avoid the risk of hypertension (high blood pressure) associated with traditional licorice. Regular monitoring is a common precautionary step due to the origin of the ingredient.

Q: Is Gutal known to affect sleep patterns or cause insomnia?

The official adverse reaction tables for the oral product do not list insomnia or changes in sleep patterns under the very common, common, or uncommon classifications.

Q: Does Gutal need to be taken with food, or can I take it on an empty stomach?

Official regulatory labels state that interactions with food or alcohol are not documented. Although not explicitly defined, gastrointestinal side effects are typically most prominent when starting the medication.

How should Gutal be stored and disposed of?

The official labeling for Gutal (Zinc Oxide Topical) specifies strict conditions for storage and disposal to maintain the integrity of the product.

Storage Conditions

Gutal must be stored at controlled room temperature, typically between 15 C and 30 C (59 F and 86 F). The product must be protected from excessive heat and moisture, and freezing must be avoided as it can compromise the formulation. The container should be kept tightly closed and stored in its original container until the expiration date.

Disposal Instructions

To prevent accidental exposure, Gutal must be stored out of the reach of children. Expired or unused portions of the medicine should not be flushed down a toilet or drain. Unwanted medicine must be discarded according to local regulations, ideally through an official drug take-back program. If a take-back program is unavailable, the product may be mixed with an undesirable substance, sealed in a bag, and disposed of in the household trash.

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

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