Nausil

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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 Nausil

Property Description
Active ingredient Metoclopramide hydrochloride
Form Tablets, Oral solution (drops), Injection solution
Pharmacological class Prokinetic Agent, Antiemetic Agent
General purpose Regulates motility and relieves sickness
Origin Synthetic compound

The medicinal entity referred to as Nausil contains the active substance Metoclopramide hydrochloride. It is formally classified as a prokinetic agent and a broad-spectrum antiemetic agent. This dual classification is critical because the substance affects both the body's central mechanisms for sickness and the physical movement of the upper digestive system. Metoclopramide is a synthetic small-molecule compound, chemically manufactured, which differentiates its mechanism from traditional herbal or naturally derived treatments. Its pharmacological profile is clinically recognized for addressing nausea in various patient groups, ranging from children to adults.


Composition and Available Forms

The formulation contains Metoclopramide as the sole pharmacologically active component, classifying it as a single-ingredient product. The compound is presented in several dosage form(s) to ensure versatility: standard tablets, liquid oral solutions (drops), and solutions for injection. The availability of drops is particularly important for adjusting delivery to patient groups who may have difficulty swallowing solid forms. The injectable solutions are reserved for rapid intervention via the intravenous or intramuscular route of administration. Metoclopramide is used in addressing impaired gastric emptying and related symptoms, helping to regulate the stomach's movement and speed up the digestive process.


General Purpose: Motility Regulator and Sickness Reliever

The general purpose of Metoclopramide is to alleviate symptoms related to nausea, vomiting, and compromised gastric emptying. It achieves this by functioning as a dual-action agent. As a motility regulator, it increases the tone and coordination of the upper gastrointestinal tract. As a sickness reliever, it acts on the central nervous system to block the chemical receptors that initiate the sensation and physical reflex of sickness. The ability to manage both the physical causes and the sensation of nausea is a distinctive feature of this pharmacological class.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Nausil?

Possible side effects and safety information

Metoclopramide's safety profile, as documented in official regulatory sources, involves adverse reactions categorized by frequency and the body system affected. The most frequently reported adverse reaction classified as Very Common is drowsiness (Somnolence).

Reactions categorized as Common include depression, diarrhoea, and extrapyramidal disorders such as akathisia (restlessness) and symptoms resembling Parkinsonism. These effects are typically grouped under Nervous System Disorders and Psychiatric Disorders.

Potentially serious adverse reactions, which may occur at Uncommon or Not Known frequencies, include Neuroleptic Malignant Syndrome (NMS) and severe cardiovascular events like cardiac arrest and hypotension, especially following intravenous administration. Another significant risk is Tardive Dyskinesia (TD), a movement disorder whose risk increases with the duration of treatment. Official regulatory texts generally mandate that treatment duration should not exceed 12 weeks (three months) to mitigate this risk.

Safety considerations are also defined for specific populations. Pediatric patients, particularly neonates, have an increased risk of acute extrapyramidal symptoms and methemoglobinemia. For older adults, there is an increased sensitivity to both sedation and the risk of Tardive Dyskinesia with prolonged use. Furthermore, official labeling restricts use in certain pre-existing conditions, such as gastrointestinal hemorrhage, obstruction, perforation, and pheochromocytoma.

Overdose and Emergency Response

The official regulatory documents define the overdose profile of Nausil (Metoclopramide hydrochloride) by outlining specific physiological manifestations and mandated emergency actions.

Documented Overdose Presentations

Overdose presentations documented in labeling include severe neurological signs such as Extrapyramidal Symptoms (EPS), which involve involuntary movements, confusion, severe drowsiness, and the occurrence of convulsions or seizures. Other documented presentations are diarrhea and, in severe cases, bluish coloring of the skin (Cyanosis).

Serious or life-threatening outcomes explicitly documented in regulatory warnings are Neuroleptic Malignant Syndrome (NMS), circulatory collapse, and cardiac arrest. The risk of Tardive Dyskinesia (TD) is associated with cumulative exposure. Specific considerations exist for certain populations, with higher risk of EPS noted in children and young adults, and increased TD risk for the elderly.

Required Emergency Actions

Immediate medical attention must be sought, and the product discontinued, if symptoms of Extrapyramidal Symptoms (EPS), Neuroleptic Malignant Syndrome (NMS), or Tardive Dyskinesia (TD) occur. Regulators mandate that emergency services (911) must be called immediately if the person has collapsed, had a seizure, has trouble breathing, or cannot be awakened. Treatment is generally symptomatic and supportive, as no specific antidote is known for the overall overdose syndrome.

Therapeutic Uses of Nausil

Nausil is commonly used to help with certain distressing symptoms. It is applied across therapeutic domains where additional symptomatic support is needed, primarily focusing on managing symptoms linked to organ-specific functional stress and providing relief from the distressing reflex of sickness.

Relief from Acute Sickness and Control of Vomiting

This medication is commonly used to help address symptom clusters that may become intense or disruptive, centering on the unpleasant sensation of nausea and the physical reflex of vomiting. It offers symptomatic relief that assists patients with coping more steadily with difficult episodes, supporting general well-being during symptomatic phases.

Support for Impaired Upper Digestive Motility

Nausil is relevant in conditions characterized by periods of heightened symptoms related to slow stomach emptying, such as diabetic gastroparesis. By addressing symptoms linked to organ-specific functional stress, it contributes to improved comfort, helping in the relief of symptoms that interfere with routine activities, like chronic feelings of fullness and bloating.

Symptomatic Support in Clinical Scenarios

The medication is commonly used when short-term symptomatic assistance is needed, such as managing sickness following chemotherapy or surgical procedures, and easing the nausea often associated with acute migraine attacks. It provides support that helps ease the overall symptom burden during these difficult, treatment-related or episodic manifestations.


Quick Fact: Relief for Acute Nausea Nausil assists with maintaining functional stability and improving comfort by helping patients cope more steadily with difficult episodes of sickness.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Official Eligibility for Nausil (Metoclopramide)

Regulatory authorities define strict rules governing who can and cannot use Nausil. The medicine is primarily approved for adults (18 years and older) for short-term use in conditions like diabetic gastroparesis or acute nausea. Use in children and adolescents (1–18 years) is generally not recommended and is restricted to second-line treatment for post-operative or chemotherapy-induced nausea and vomiting.

Absolute Contraindications

Nausil is strictly prohibited for certain patient groups, which include infants under one year of age for all uses. Contraindication also applies to patients with specific clinical conditions such as pheochromocytoma, epilepsy, or a history of tardive dyskinesia. The medicine must not be used in the presence of gastrointestinal hemorrhage, mechanical obstruction, or perforation.

Conditional Use and Restrictions

Use is highly restricted by treatment duration, which is limited to short-term only for all patients. Mandatory precautions are necessary for older adults and individuals with moderate or severe renal impairment or severe hepatic impairment, where a dose reduction is required due to reduced physiological clearance. While generally permitted if clinically necessary during pregnancy, the medicine is generally not recommended during breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Nausil (metoclopramide) is defined by official regulatory classifications, including combinations that are strictly prohibited and those that modify drug exposure or central nervous system effects.

Contraindicated Combinations and Pharmacodynamic Effects

Co-administration with levodopa or other dopaminergic agonists is formally contraindicated due to documented mutual pharmacological antagonism. A risk of potentiated sedative effects exists when Nausil is combined with CNS depressants, which includes certain narcotic analgesics and sedative antihistamines. Co-use with neuroleptics and antipsychotics carries a documented additive risk for extrapyramidal disorders. The medicine's effects on gastrointestinal motility are formally noted to be antagonized by anticholinergics and morphine derivatives.

Exposure Modification and Other Substance Restrictions

Nausil exposure may be increased when taken with strong CYP2D6 inhibitors. Nausil alters the plasma concentration of certain co-administered drugs: it is documented to increase the bioavailability of cyclosporine and may decrease the bioavailability of digoxin, often necessitating concentration monitoring. Official labeling advises that alcohol must be avoided due to the potentiation of sedative effects. Oral metoclopramide should be administered separate from food, as ingestion decreases its peak plasma concentration. In patients with diabetes using insulin, the altered gastrointestinal transit time may require adjustment of the insulin dose or timing.

Mechanism of Action

Central Suppression of the Sickness Signal

This domain centers on the drug's activity in the brainstem, where it acts as a blocker (antagonist) at Dopamine D₂ and Serotonin 5-HT₃ receptors within the Chemoreceptor Trigger Zone (CTZ). By blocking these key chemical sensors, the drug intercepts the neurological signal that initiates the vomiting reflex, suppressing the initiation of the physical reflex.


Peripheral Enhancement of Gut Motility

This distinct mechanism occurs within the enteric nervous system (the gut's own nervous system). The molecule partially stimulates (agonizes) Serotonin 5-HT₄ receptors, which facilitates the release of acetylcholine (ACh). This enhanced cholinergic activity modulates the force and coordination of smooth muscle contractions in the stomach and upper small intestine, influencing the rate of gastric transit and increasing the tone of the lower esophageal sphincter.

Dosage and Administration Information

How to Use Nausil

Metoclopramide (Nausil) administration involves specific parameters concerning its route, frequency, and duration. The medicine is used for oral administration, including tablets and liquid solutions, and for parenteral use as an intravenous (IV) or intramuscular (IM) injection solution. Oral doses are standardized at 10 mg for adults in most regimens, and for chronic treatment, they are typically scheduled to be taken 30 minutes before meals and at bedtime, adhering to a minimum interval of six hours between administrations.


Official Dosing and Duration Patterns

The frequency pattern is characterized by divided daily use. Intravenous administration involves specific procedural constraints; the dose must be injected slowly over a minimum period of one to three minutes. The overall course of treatment is limited: the maximum duration for acute symptoms is 5 days, while use for chronic conditions such as diabetic gastroparesis is limited to a maximum of 12 weeks.


Population-Specific Adjustments

Specific adjustments are applied for patient groups with reduced organ function. A 50% dose reduction is required for patients diagnosed with severe renal or hepatic impairment. Dosing for older adults may also begin at a lower dose, such as 5 mg four times daily. Pediatric dosing is weight-based and is restricted to specific indications.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Nausil

The research base for Nausil (metoclopramide) consists primarily of controlled clinical trials, systematic reviews, and meta-analyses. These studies explored patient outcomes in conditions where symptoms relate to digestive movement or the sensation of sickness. Findings describe group patterns, and study results reflect the specific conditions under which the studies were conducted.


Evidence for use in Diabetic Gastroparesis

Research for diabetic gastroparesis has primarily utilized short-term randomized controlled trials to examine patient-reported experiences in adults with confirmed delayed stomach emptying. Studies monitored outcomes like the intensity of nausea, vomiting, and fullness. Studies monitored changes in patient-reported outcomes, typically over periods up to 12 weeks. Research into objective outcomes, such as measurements of the speed of stomach emptying, has yielded mixed findings, and long-term outcomes regarding sustained symptomatic response are not well characterized.


Evidence for use in Sickness after Chemotherapy

The evidence for this use comes from high-level research, including systematic reviews and meta-analyses. The research foundation examined primary outcomes such as the complete avoidance of vomiting and the requirement for rescue medication during the delayed phase (symptoms beginning more than 24 hours after treatment). Findings describe patterns observed in these studies compared to placebo and to other treatments included in the trials. The comparative evidence is lacking regarding metoclopramide's measured outcomes against the newest anti-sickness medications that have been introduced.


Evidence for use in Post-Operative Sickness

Research on post-operative sickness is supported by an extensive history of short-term randomized controlled trials and subsequent meta-analyses in both adult and pediatric patients. Primary research examined the rate of vomiting and the incidence of nausea within the immediate post-operative window (24 to 48 hours). Data show patterns related to the occurrence of these symptoms compared to a control group. However, evidence quality varies across studies when the medicine is used alone versus in combination with other anti-sickness agents.


What is Still Uncertain About Nausil's Evidence Base

Overall, the evidence landscape has several recognized limitations. For chronic conditions, long-term effects are not fully established, and follow-up durations were limited in the primary research. Many trials had sample sizes that were modest, meaning the findings describe group patterns from smaller pools of patients. The data for certain special groups, such as those with certain comorbid conditions or those requiring continuous treatment, remain insufficient.

Frequently Asked Questions (FAQ)

Common questions about Nausil (FAQ)

Q: How quickly does Nausil usually start to work?

A: The time it takes for Nausil's effects to begin depends on the form used. Following an oral dose, the onset of action is generally described as 30 to 60 minutes. If the medicine is administered via intramuscular injection, the effect usually starts within 10 to 15 minutes, and it is noted to start as quickly as 1 to 3 minutes if administered by slow intravenous injection.

Q: Can Nausil be taken with food?

A: Regulatory documents indicate that oral Nausil is typically scheduled for administration about 30 minutes before meals and at bedtime, and often requires a minimum interval between doses. Taking the medicine with food may decrease the peak plasma concentration (the highest amount of medicine in the blood) compared to taking it on an empty stomach.

Q: Are there different strengths of Nausil available?

A: Yes, Nausil contains the active ingredient metoclopramide and is available in different forms and strengths. Official labeling indicates that oral tablets are commonly available in 5 mg and 10 mg strengths. Liquid oral solutions (drops) and solutions for injection are also provided in specific concentrations for flexible administration.

Q: Does Nausil cause weight gain?

A: Weight gain is not listed as a common or frequently reported adverse reaction in major official drug labeling documents. The information provided in the primary safety profile does not include weight changes among the officially categorized side effects.

Q: Can Nausil be crushed or split?

A: Official labels provide specific instructions for using the different dosage forms, such as taking the tablets whole or using oral solutions. Generally, the manufacturer does not provide instructions for crushing or splitting the standard tablet form. Instructions for use are provided exactly as written in the official product information.

Q: Is it safe to use Nausil while breastfeeding?

A: Official information states that Nausil passes into breast milk and has the potential to affect a breastfed infant. Due to this potential, the use of Nausil while breastfeeding is generally not recommended. A healthcare provider should be consulted regarding infant feeding if the medication is required.

Q: How long does Nausil stay in your system?

A: The duration Nausil remains in the system is described by its elimination half-life, which averages 5 to 6 hours in individuals with normal kidney function. This is the time it takes for half of the medicine to be eliminated from the body. Most of the medicine is cleared from the system within 72 hours.

Q: Does Nausil affect birth control effectiveness?

A: Official drug interaction lists do not typically include an interaction with combined hormonal contraceptives (birth control pills). No widespread regulatory documentation suggests it affects efficacy.

Q: Is it okay to take Nausil if I have high blood pressure?

A: Official safety data indicates that Nausil has the potential to increase blood pressure or worsen existing hypertension. Furthermore, the medicine is strictly prohibited (contraindicated) for patients with a tumor called pheochromocytoma, which carries a risk of a life-threatening spike in blood pressure. Mandatory precautions are noted for individuals with existing cardiovascular conditions.

Q: Can people who are sensitive to certain dyes use Nausil?

A: Some specific formulations of Nausil may contain inactive ingredients (excipients) such as parahydroxybenzoates or sorbitol, which have been known to cause reactions in sensitive individuals. Official labeling includes a complete list of all excipients for each formulation. Individuals with known sensitivities may need to review the excipient list.

Q: What are the serious side effects that have been reported with Nausil?

A: Official regulatory warnings highlight the risk of certain serious effects, including the movement disorders Tardive Dyskinesia (TD) and Neuroleptic Malignant Syndrome (NMS). Other rare but serious reported effects include severe depression, methemoglobinemia, and severe cardiovascular events like cardiac arrest or severe hypotension, especially after rapid intravenous administration.

Q: What is the official purpose of Nausil as described by health authorities?

A: The official, regulator-approved indications for Nausil (metoclopramide) in adults are for the short-term treatment of symptomatic gastroesophageal reflux disease (GERD) when other treatments fail, and the management of acute and recurrent diabetic gastroparesis (delayed stomach emptying) symptoms.

Q: Does Nausil affect driving ability?

A: Official product information advises that Nausil can affect a person’s ability to drive or operate machinery. This is due to common side effects like drowsiness (somnolence) and dizziness, which may impair attention and coordination. Due to this potential, engaging in activities requiring mental alertness may be affected.

Q: What is the best way to store Nausil?

A: Official storage instructions require keeping Nausil in its original container, tightly closed, and in a dry place. It must be protected from light and moisture, and typically stored at temperatures below 30°C (86°F). All forms of the medicine must be stored out of the sight and reach of children as a safety requirement.

Q: What research is currently being done on Nausil?

A: Government-run databases that track clinical studies indicate that Nausil (metoclopramide) is currently being studied for various investigational uses, beyond its approved indications. These studies examine various potential new applications and delivery methods.

How should Nausil be stored and disposed of?

How to Store and Dispose of Nausil

The storage of Nausil (metoclopramide) is defined by regulatory labeling to maintain the product’s stability and efficacy. The medicine must be kept at a temperature below 30°C (86°F), and it must not be frozen. Protection from light and moisture is required; therefore, the product should be stored in a dry place and remain in its original container, which must be kept tightly closed.

Child Safety and Disposal

For safety, Nausil must be stored out of the sight and reach of children as a mandatory label requirement.

Disposal must be managed according to local regulations. The medicine must not be thrown into wastewater (e.g., flushed down the toilet) or general household trash. Patients should utilize a pharmacist take-back scheme or an equivalent local waste disposal service for discarding unused or expired product.

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

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