Sucari

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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 Sucari

Property Description
Active ingredient Sucralfate
Form Tablet, Oral Suspension, Oral Disintegrating Tablet
Pharmacological class Gastrointestinal Agent, Cytoprotective Agent
Common use Protection and healing support for the digestive lining
Origin Synthetic drug

What Kind of Medicine is Sucari?

Sucari is the trade name for the prescription medication whose active ingredient is Sucralfate, a synthetic drug classified as a Gastrointestinal Agent and specifically recognized as a Cytoprotective and Mucosal Protective Agent. This classification places it distinctly apart from anti-secretory drugs like proton pump inhibitors and H2-receptor antagonists. The unique protective action of the medication is a crucial element in managing mucosal injury. This indicates that the drug plays a vital role in physically safeguarding the stomach and intestinal lining. Sucralfate is positioned for instances where the physical integrity of the mucosa, rather than acid suppression alone, is the primary therapeutic goal.


Composition, Forms, and General Purpose

The medication is a unique, single-ingredient product whose chemical foundation is an octasulfated disaccharide base, chemically defined as a basic aluminum salt of sulfated sucrose. Since it exerts its effects locally, Sucralfate is considered a non-absorbable compound with minimal systemic activity. It is delivered for oral administration in several dosage form(s), including the standard tablet and the oral suspension, the latter being a differentiating factor often preferred in cases where patients experience difficulty swallowing tablets. The general therapeutic purpose is to support healing by creating a site-protective barrier that shields vulnerable tissue from aggressive digestive elements, such as pepsin and bile salts. Sucralfate adheres to proteins at the ulcer site, creating a local, protective coating. Its primary function is to physically cover and protect damaged areas within the gut.

Regulatory References

  1. [Sucralfate Mechanism of Action - NCBI Bookshelf]
  2. [Sucralfate Chemical Structure - PubChem]
  3. pepsin
  4. [EMA Sucralfate Referral Document]

What side effects are possible with Sucari?

Possible Side Effects and Safety Information

The safety profile for Sucari (Sucralfate) is primarily defined by the low incidence of systemic side effects, consistent with the drug's minimal absorption. The adverse reactions documented in official regulatory labeling are grouped by body system and frequency.

Frequency-Classified Adverse Reactions

The most frequently reported adverse reaction observed in clinical trials is constipation, which is classified as common (occurring in 1% of patients). Low-incidence reactions, generally classified as uncommon in regulatory documents, affect various systems, including the Gastrointestinal system (e.g., dry mouth, nausea, gastric discomfort), the Nervous System (e.g., dizziness, sleepiness), and the Skin (e.g., rash, pruritus).

Serious Adverse Reactions and Safety Cautions

Official labeling defines specific serious safety concerns and population-specific cautions. The drug contains aluminum, and in patients with chronic renal impairment (kidney disease), impaired aluminum excretion can lead to accumulation and subsequent toxicity, including serious reactions like encephalopathy and osteodystrophy, particularly with long-term exposure. Therefore, its use requires caution in this population.

Reported postmarketing reactions, where frequency is not known, include hypersensitivity reactions and episodes of hyperglycemia (high blood sugar). A critical restriction is that the oral suspension must not be administered intravenously, as this carries a risk of fatal complications.

Overdose and Emergency Response

The official regulatory documentation for Sucari (Sucralfate) indicates that overdosage is generally associated with minimal systemic risk due to the medication being minimally absorbed from the gastrointestinal tract. Consequently, reported instances of acute oral overdosage are frequently asymptomatic. In rare reports, clinical manifestations have been limited to mild gastrointestinal discomfort, including dyspepsia, abdominal pain, nausea, and vomiting.

Given the minimal acute absorption, there is no specific treatment or antidote documented for sucralfate overdosage, and management generally involves supportive measures. However, regulators emphasize two critical, potentially severe scenarios requiring immediate medical attention.

The medication contains an aluminum salt, which carries a specific risk of aluminum accumulation and toxicity (such as encephalopathy or osteomalacia) for patients with chronic renal failure or those receiving dialysis due to impaired excretion. Immediate medical help must be sought if signs of systemic toxicity are suspected in this population.

Furthermore, regulatory labeling explicitly warns that the oral suspension must not be administered intravenously, as this inappropriate route has been associated with fatal complications, including pulmonary and cerebral emboli. Users are instructed to contact a Poison Control Center immediately for guidance following a suspected overdose.

Therapeutic Uses of Sucari

Therapeutic Indications

Sucari is a medication primarily utilized in the management of specific endocrine and metabolic conditions. It is indicated for the treatment of patients with primary IGF-1 deficiency and certain types of growth hormone gene deletions where the body fails to produce sufficient insulin-like growth factor-1 (IGF-1).

Primary Growth Failure

The main application of Sucari is to address long-term growth failure in children who have severe primary IGF-1 deficiency. This condition is characterized by normal or elevated levels of growth hormone, but the body's inability to produce enough IGF-1 in response. By providing a recombinant form of human insulin-like growth factor-1, the medication supports the growth of bones and muscle tissues.

Metabolic Effects and Benefits

Beyond its role in linear growth, the active components in Sucari influence several metabolic processes that are essential for development:

  • Protein Synthesis: It promotes the uptake of amino acids and the synthesis of new proteins, which contributes to the development of lean body mass.
  • Carbohydrate Metabolism: It plays a role in glucose homeostasis, assisting in the regulation of blood sugar levels within the context of IGF-1 deficiency.
  • Lipid Metabolism: The medication helps in the mobilization and utilization of fatty acids, influencing how the body stores and uses energy.
  • Organ Development: It supports the maturation and functional growth of various internal organs and connective tissues.

Mechanism of Action

Sucari acts by binding to the IGF-1 receptor, which is present in nearly all types of cells. This binding triggers intracellular signaling pathways that stimulate systemic growth. In patients with the indicated deficiencies, this exogenous supplementation mimics the natural growth-promoting effects that would otherwise be absent, facilitating progress toward expected developmental milestones.

Regulatory References

  1. Health Products Regulatory Authority Summary of Product Characteristics

Eligibility and Restrictions for Use

Who can and cannot use Sucari?

Sucari is intended for use in the adult population. Official regulatory documents define clear eligibility and non-eligibility rules based on specific patient characteristics and pre-existing conditions.


Absolute Contraindications

The medicine must not be used if a patient has a known hypersensitivity or allergic reaction to the active ingredient, sucralfate, or to any of the product's excipients. This is an absolute contraindication specified in the official labeling.


Restricted and Conditional Use

Use of Sucari is restricted in several populations where additional caution or monitoring is formally required:

  • Chronic Renal Failure: Patients with chronic kidney failure or those undergoing dialysis must use this medication with caution. This is due to the potential for aluminum accumulation and toxicity, as impaired renal function may affect the excretion of absorbed aluminum.
  • Pediatric Use: The safety and effectiveness of the medicine in pediatric patients (under 18 years of age) have not been established by regulatory authorities.
  • Older Adults: Caution is advised for older adult patients, and dose selection should reflect the greater frequency of decreased renal function in this population.
  • Pregnancy and Lactation: Use during pregnancy is permitted only if clearly needed, given the lack of adequate and controlled human studies. Caution is also advised when administering to nursing mothers.

What should I know about interactions with other medicines?

Interactions with Other Oral Medicinal Products

Sucari (sucralfate) has a non-systemic mechanism of action, with its interactions primarily centered on the gastrointestinal tract. The presence of the polyvalent aluminum component and its binding properties can interfere with the absorption of many orally administered medicines, leading to reduced systemic exposure and potential loss of clinical effect.

Interacting Product Category Example Medicines Listed in Regulatory Documents
Fluoroquinolone Antibiotics Ciprofloxacin, Levofloxacin, Ofloxacin
Tetracycline Antibiotics Tetracycline, Doxycycline, Minocycline
Other Agents Digoxin, Warfarin, L-Thyroxine, Phenytoin, Ketoconazole, Theophylline

Interaction Mechanism and Restrictions

The most clinically significant interaction mechanism is the non-systemic binding of Sucari to the concomitant oral medicine, which forms a non-absorbable complex and decreases the drug's overall bioavailability. This effect is managed by a timing-based administration requirement. To minimize the risk of reduced absorption, medicines that are critically affected by this binding property must be administered separately from Sucari.

Concomitant Aluminum Use

Sucari contains aluminum. The simultaneous use of other products that contain aluminum, such as certain antacids, may increase the total body burden of aluminum. This note is particularly relevant for individuals with chronic renal impairment or those undergoing dialysis, as their ability to excrete absorbed aluminum is compromised.

Mechanism of Action

The mechanism of Sucralfate is entirely localized to the gastrointestinal lining, operating through a dual pathway of physical protection and active biological induction.

Physical Barrier and Site Protection

The mechanism initiates with the chemical activation of Sucralfate by gastric acid (pH < 4), which polymerizes the drug into a viscous, cross-linked polyanionic gel. This gel selectively utilizes electrostatic attraction to bind to positively charged proteins (fibrinogen, albumin) exposed at the site of mucosal injury. This binding creates a stable, acid-insoluble coating that physically covers the underlying tissue, blocking the back-diffusion of H^+ ions and preventing access to luminal aggressors.

Inactivation and Repair Stimulation

Beyond physical coverage, the polymer complex acts chemically to inactivate luminal contents. It actively adsorbs and inhibits the proteolytic enzyme Pepsin A and luminal Bile Salts, thereby reducing local proteolytic and detergent activity. Simultaneously, Sucralfate triggers an active cytoprotective response by stimulating the localized synthesis and release of natural defense mediators, including Prostaglandin E2 ( PGE2) and Epithelial Growth Factors (EGF/FGF). This enhanced signal supports the physiological processes of cell proliferation and migration (restitution), promoting the restoration of tissue integrity. The entire mechanism is non-systemic, relying exclusively on surface contact for activation.

Dosage and Administration Information

Official Administration and Dosing

Sucari is formulated for oral administration in two primary forms: the 1 gram tablet or the 1 gram per 10 mL oral suspension. As an oral medication, the suspension is not for intravenous use.

Dosing Regimens and Course Duration

The dosing schedule is characterized by the treatment goal. For active treatment of acute conditions, the standard labeled dose is 1 gram four times daily (QID). This regimen is typically maintained for a duration of 4 to 8 weeks until healing is documented. For maintenance therapy aimed at prophylaxis, the frequency is reduced to 1 gram twice daily (BID), which may be continued for up to one year.

Administration Timing and Constraints

The medicine is administered on an empty stomach, typically one hour before meals and at bedtime. This timing is a factor in the proper use of the medication. This requirement involves separation from other agents: antacids are not taken within 30 minutes of a Sucari dose, and administration is separated from most other oral medications by at least two hours. Furthermore, for older adults or individuals with renal impairment, instructions indicate cautious dose selection, often starting at the lower end of the recommended range.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Sucari


Evidence from Trials for Duodenal Ulcer Healing

The clinical research for Sucari has primarily involved numerous short-term Randomized Controlled Trials (RCTs) and controlled studies. These research efforts were applied in studies examining patient-reported experiences and focused on outcomes linked to inflammatory or irritative states. The primary research examined the Ulcer Healing Rate, which was confirmed by specialized procedures (endoscopy). Outcomes related to physical discomfort were also measured, describing patient-reported perceived discomfort, such as the severity of pain.

Findings describe patterns observed in the studies regarding the measured ulcer healing rates after the set treatment period. Research also describes measurements taken during the study period related to the symptom intensity or variability reported by the observed populations. Despite the volume of evidence, there is limited information for long-term outcomes. The results apply only to the populations studied.


Evidence from Trials for Gastric Ulcer Healing

Research also involved controlled and short-term clinical trials where Sucari was evaluated in adult participants with endoscopically confirmed active gastric ulcers. Researchers primarily focused on the rate of ulcer closure over periods typically lasting six to twelve weeks, with follow-up studies exploring the reoccurrence of the ulceration. Studies monitored how symptoms evolved in the observed populations, and research describes the patterns regarding the measured ulcer healing rates over time in participants.

Research exploring short-term symptom changes, such as the severity of pain, was a key area of focus. Follow-up durations were limited in many of the key trials. Furthermore, long-term effects are not fully established, particularly when comparing the prolonged use of this cytoprotective approach to other long-term anti-ulcer therapies.


Long-Term Observations and Recurrence Studies

Beyond the initial healing phase, Sucari was evaluated in studies observing responses over defined time intervals (intermediate to long-term) to explore its role in maintenance therapy and recurrence prevention. Studies monitored patterns where the continued use of the agent was observed to be associated with a non-recurrent state. Research describes data points regarding the recurrence rates of ulceration over time, especially for duodenal ulcers.

However, there is limited information for the long-term outcomes of maintenance use compared directly against newer, widely used maintenance therapies. The certainty remains low for outcomes not directly measured in the original clinical programs, such as long-term tissue function or use in complex, medically challenging situations.

Key Studies & References

  1. Sucralfate - StatPearls (used for general evidence profile and limitations)

Frequently Asked Questions (FAQ)

Common questions about Sucari (FAQ)

Q: How does Sucari differ from other drugs intended to treat the same condition?

A: Sucari is described in regulatory documents as working locally, creating a physical protective barrier over injured tissue. This mechanism of protection is considered distinct from other common treatments that work primarily by reducing or suppressing stomach acid production throughout the digestive system. Its goal is to physically shield the lining from aggressive elements like acid and pepsin.

Q: Are there any major diet restrictions listed for people taking Sucari?

A: Official guidance notes that the timing of administration relative to food is important for Sucari to work effectively, as it is meant to be taken on an empty stomach. However, the regulatory documentation does not typically list specific food groups that are strictly forbidden or restricted when using this medicine.

Q: Is Sucari known to interact with common over-the-counter pain relievers?

A: Sucralfate is known to bind to many other medicines taken by mouth, which can potentially reduce the amount of that medicine absorbed into the body. Official guidance states that this interaction is typically addressed by separating the administration of Sucari from the other medicine by at least two hours. Separating the doses by this time frame is specified in official guidance for maintaining the effectiveness of the second medication.

Q: What types of drug interactions are absolutely contraindicated with Sucari?

A: According to regulatory documents, the only absolute rule against using Sucari is if a patient has a known allergic reaction or hypersensitivity to the active ingredient, sucralfate, or to any of the other components in the product. Allergic reactions represent the only formal contraindication where the use of the drug is formally restricted.

Q: Why do some people need to adjust their dose after starting Sucari?

A: Official guidance advises that dose selection should be cautious, often starting at the lower end of the recommended range, for specific patient groups. This careful approach is described as relevant for older adults and individuals who have impaired renal (kidney) function.

Q: Can Sucari affect mood or mental health?

A: Adverse reaction reports submitted to regulatory bodies have included nervous system effects like dizziness, drowsiness, sleepiness (insomnia), and vertigo. However, official labeling does not explicitly detail effects on mood or general mental health.

Q: What are the initial signs that Sucari is working as intended?

A: Clinical studies that examined the use of Sucari in patients with ulcers described that treatment was associated with a greater reduction in the severity and occurrence of patient-reported discomfort. This has been described in studies as including reductions in discomfort, such as pain, when compared to results from a placebo.

Q: Are there known differences between the brand name and the generic form of Sucari?

A: Regulatory evaluations confirm that generic forms of the drug, which contain the same active ingredient, sucralfate, are considered bioequivalent and therapeutically equivalent to the original brand-name product. This means the regulatory authorities have determined they work the same way in the body.

Q: What is the significance of the warnings in the boxed label for Sucari?

A: Official labeling includes a critical restriction stating that the oral suspension formulation of the medication is not intended for intravenous administration. This warning is in place because regulatory documents indicate that intravenous administration carries a risk of fatal complications due to the composition of the product.

Q: Does Sucari affect the ability to drive or operate heavy machinery?

A: Adverse effect information indicates that the drug is associated with nervous system effects, including reports of dizziness and drowsiness. These effects are reported in official documents as potentially affecting tasks that require mental alertness, such as driving or operating heavy machinery.

Q: Is Sucari considered a new medication, or has it been available for a long time?

A: Regulatory documents and prescribing information reference numerous short-term and long-term studies and trials performed over time. The existence of these multiple long-standing clinical evaluations indicates that the drug has a history of regulatory assessment and use in patient care.

Q: Is Sucari available as a generic version?

A: Yes, lower-cost generic versions containing the same active ingredient, sucralfate, are available by prescription. These generic forms are subject to the same regulatory standards as the original drug.

Q: What does official guidance say about combining Sucari and alcohol?

A: Regulatory information notes no known direct drug interaction between Sucari and alcohol. However, general guidance often references avoiding alcohol when patients have ulcers because it can irritate the stomach lining and potentially interfere with the natural healing process.

Q: Can Sucari interact with herbal remedies or dietary supplements?

A: Official guidance states that patients are expected to inform their healthcare provider of all medications being used, which includes vitamins, dietary supplements, and herbal products. Informing the provider assists with screening for any possible interactions before beginning treatment with Sucari.

Q: What should be done if a dose of Sucari is forgotten?

A: The official procedure for a missed dose is described as taking it as soon as it is remembered. However, if it is almost time for the next dose, the official recommendation is to skip the forgotten dose completely and continue with the regular schedule. The official guidance specifies that two doses should not be taken to make up for the one that was missed.

Q: How quickly can a person expect to feel the effects of Sucari?

A: Clinical literature has noted that the protective action of Sucralfate begins within 1 to 2 hours following administration. This relates to the drug's ability to create a coating over the damaged tissue in the digestive tract.

Q: What does the research say about stopping Sucari suddenly?

A: Official prescribing information describes the necessity of consulting a doctor before discontinuing the medication. This is because treatment is often intended to be continued for a full prescribed length of time in order to promote proper healing of the ulcer.

Q: Is Sucari a controlled substance?

A: According to regulatory authorities, the active ingredient in Sucari, sucralfate, is not classified or scheduled as a controlled substance.

Q: What is the typical monitoring process for patients taking Sucari?

A: Official documentation refers to the importance of keeping all scheduled medical and laboratory appointments while undergoing treatment. Specific monitoring is also noted as being necessary for individuals who have pre-existing conditions, such as chronic renal impairment or diabetes.

How should Sucari be stored and disposed of?

How to Store and Dispose of Sucari (Sucralfate)

The official labeling mandates specific conditions for the storage and disposal of Sucari tablets and suspension, based on regulatory requirements.

Storage Requirements

Temperature: Store tablets at Controlled Room Temperature (20 C to 25 C), protecting them from moisture and excess heat. Keep the medication in its original, tightly closed container and store it out of the reach of children .

Suspension Stability: The prepared oral suspension must not be refrigerated or frozen and must be discarded after its labeled stability period (typically 14 days) if not used.

Disposal Instructions

Unused or expired medication should be disposed of primarily through a local drug take-back program. If this option is unavailable, the medication should be mixed with an undesirable substance (e.g., used coffee grounds) and placed in a sealed bag before being disposed of in the household trash, following official regulatory guidance. Do not flush the product down the toilet or pour it down the drain.

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

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