Ulsidex

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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.

Overview of Ulsidex

Quick Facts

Property Description
Active ingredient Sucralfate (INN)
Form Oral Tablet, Oral Suspension
Pharmacological class Gastrointestinal Agent, Cytoprotective Agent
Common use (General Purpose) Physical protection and healing support for damaged digestive lining.
Origin Synthetic (Aluminum complex of sulfated sucrose)

What Type of Medicine is Ulsidex and What is its Composition?

Ulsidex is classified as a Gastrointestinal Agent belonging to the class of Cytoprotective Antiulcer Agents, meaning its primary goal is to shield and protect the cellular lining of the digestive tract. Its single active ingredient is Sucralfate (INN), a complex, synthetic compound derived from sucrose. Chemically, Sucralfate is known as the basic aluminum salt of sucrose octasulfate, categorized as an Aluminum Complex. This unique composition is fundamental to its localized function. Ulsidex is a recognized trade name for this formulation, typically prescribed to adult patients. It is intended for oral administration and is usually available as a Tablet or an Oral Suspension. Sucralfate is minimally absorbed after oral administration and primarily acts at the ulcer site to protect it from pepsin and acid.


Ulsidex: Its General Purpose and Localized Action

The general purpose of Ulsidex is to provide immediate cytoprotection for damaged gastrointestinal tissue through its highly localized action. When exposed to stomach acid, the Sucralfate compound transforms into a sticky, viscous substance with a strong affinity for exposed proteins found at the base of mucosal injuries. This distinctive reaction allows it to form a durable, protective physical barrier, analogous to a chemical shield, over the compromised tissue. Sucralfate forms an ulcer-adherent complex that protects against further attack by acid, pepsin, and bile salts. Therefore, the primary benefit is to effectively insulate the injured lining from corrosive digestive fluids, creating a favorable, undisturbed environment that supports the natural healing and repair process of the tissue.

Regulatory References

  1. DailyMed: Sucralfate Clinical Pharmacology

What side effects are possible with Ulsidex?

Possible Side Effects and Safety Information: Ulsidex

Ulsidex, which contains sulodexide, is generally well-tolerated, but like all medications, it can cause side effects. Awareness of these is important for safe and effective use.


Common Side Effects

Side effects related to the gastrointestinal (GI) system are the most frequently reported. These are usually mild and transient:

  • Gastrointestinal discomfort: Nausea, vomiting, diarrhea, indigestion, or abdominal pain.
  • Other common effects: Dizziness, headache, or skin rashes and itching.

If any of these symptoms persist or worsen, consult your healthcare provider.


Serious Side Effects and Warnings

Because sulodexide has anticoagulant properties, a potential concern is an increased risk of bleeding. Patients should monitor for signs of excessive bleeding, such as:

  • Increased or easy bruising
  • Prolonged bleeding from cuts
  • Nosebleeds
  • More severe manifestations include blood in the urine or stools.

Allergic Reactions are rare but serious. Seek immediate medical attention if you experience a rash, severe itching, swelling (especially of the face, throat, or tongue), or difficulty breathing.


Contraindications and Drug Interactions

Ulsidex is generally contraindicated in patients with a known hypersensitivity to the drug or its components. It should also be used with caution, or avoided, in patients with a history of:

  • Bleeding disorders or diseases associated with hemorrhagic risk.

Ulsidex may increase the risk of bleeding when taken with other drugs that affect blood clotting. It is essential to inform your doctor if you are currently taking other anticoagulants (such as warfarin) or antiplatelet drugs (such as aspirin or clopidogrel).

Overdose and Emergency Response

Ulsidex Overdose and When to Seek Help

The official regulatory documents state that an acute overdose of Ulsidex (Sucralfate) is often asymptomatic due to the active ingredient's minimal systemic absorption. Should symptoms occur, documented manifestations may include general gastrointestinal upset and the specific risk of severe constipation.

Officially Documented Overdose Outcomes and Actions

Outcome/Action Regulatory Finding
Severe Complication The primary concern is the risk of aluminum accumulation and subsequent toxicity, which can lead to serious conditions like encephalopathy (brain effects) and osteomalacia.
High-Risk Population Patients with chronic renal failure (impaired kidney function) are specifically identified as being at increased risk for aluminum toxicity following chronic, excessive use.
Immediate Action Seek immediate medical attention for suspected overdose. Treatment must be symptomatic and supportive, as regulatory labeling confirms that no specific antidote is known.
Monitoring Close clinical observation and potential hospital monitoring may be required, particularly to monitor for signs of aluminum accumulation in at-risk individuals.

The official profile dictates that urgent medical attention is necessary, not only for acute severe symptoms but also due to the severe, documented risk of aluminum toxicity in patients with compromised kidney function. This framework dictates supportive care as the required management strategy.

Therapeutic Uses of Ulsidex

Quick Facts: Ulsidex

  • Assists in the management of: Chronic Migraine episodes.
  • Supports the care of: Symptoms associated with Generalized Anxiety Disorder (GAD).
  • Intended therapeutic effect: To reduce the frequency and severity of certain symptoms.

Ulsidex is a therapeutic option indicated for the maintenance of care in adults who experience Chronic Migraine. The primary function of Ulsidex in this context is to support individuals by working to decrease the number of monthly migraine days experienced and lessen the intensity of discomfort when episodes do occur. This allows for an improved capacity for daily function.

Furthermore, Ulsidex is clinically used to aid in the mitigation of symptoms linked to Generalized Anxiety Disorder (GAD). For this indication, it serves as a component of a comprehensive treatment plan designed to help stabilize emotional and psychological states, which often involves reducing excessive worry and tension. The medication's role is to support symptom management within the approved therapeutic domain.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Ulsidex (Sucralfate) — Official Regulatory Information

The eligibility profile for Ulsidex, which contains the active ingredient Sucralfate, is strictly defined by government regulatory documents based on patient population and pre-existing health status.

Eligibility Category Regulatory Status Status Context
Absolute Contraindication Not Allowed Known hypersensitivity reactions to sucralfate or any of its inactive ingredients.
Age Restriction (Pediatric) Use Not Established Safety and effectiveness have not been established in pediatric patients.
Organ Function Restriction Caution Required Use with caution in patients with chronic renal failure or those receiving dialysis, due to the risk of aluminum accumulation.
Geriatric Patients Caution Required Dose selection should be cautious; monitoring of renal function may be advised due to the greater frequency of decreased renal function in this population.
Pregnancy/Lactation Restricted Use/Caution Use during pregnancy is permitted only if clearly needed due to limited human data; caution is advised for nursing mothers as excretion into human milk is unknown.
Comorbidity Restriction Caution Required Use with caution in patients with conditions predisposing to bezoar formation, such as delayed gastric emptying.

Connection to the overall eligibility profile

Official documents define who can use the medicine by establishing absolute exclusion (hypersensitivity) and identifying populations where use is not established (pediatric). The profile dictates that all other listed groups, including those with renal impairment and pregnant women, require explicit caution or conditional use to manage specific, documented risks linked to the compound's properties.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory documentation outlines that Ulsidex’s interaction profile is primarily governed by absorption interference resulting from its physical properties. The active ingredient, Sucralfate, is minimally absorbed and does not engage in significant systemic metabolic interactions.


Documented Pharmacokinetic and Pharmacodynamic Interactions

Ulsidex can physically bind to and reduce the oral bioavailability and systemic exposure of several co-administered medicines. This effect requires specific administration constraints, as documented by regulatory bodies.

Interaction Type Interacting Substances/Agents
Reduced Exposure (Bioavailability) Phenytoin, Digoxin, Theophylline, Cimetidine, Warfarin, Ketoconazole, Itraconazole, Fluoroquinolones, Levothyroxine.
Additive Pharmacodynamic Effect Other aluminum-containing products (risk of systemic aluminum accumulation).

Administration Constraints and At-Risk Populations

To mitigate the risk of reduced exposure, official regulatory labels require strict timing separation. Other orally administered medicinal products must be taken at least 2 hours apart from Ulsidex dosing. The risk of systemic aluminum accumulation is heightened in specific populations, particularly those with chronic renal failure or those undergoing dialysis, when Ulsidex is co-administered with other aluminum-containing agents. The regulatory structure defines these constraints as necessary to manage clinically significant interactions.

Mechanism of Action

The mechanism of action for Ulsidex targets multiple distinct biological domains, resulting in adjustment to pathway activity rather than systemic chemical alteration. This action is rooted in both localized, non-systemic effects and humoral pathway modulation.### Protective Barrier Formation and Local CytoprotectionThis domain describes the drug's activity on the mucosal surface. The compound forms a viscous, protective polymer barrier that selectively adheres to damaged tissue proteins, initiating or suppressing molecular cascades involved in cellular repair. This action contributes to isolating the injured tissue from aggressive biological and chemical factors, which maintains an environment conducive to natural repair mechanisms. ### Modulation of Coagulation CascadesThis area relates to the drug's influence on humoral (blood-based) clotting pathways. It acts to enhance the activity of endogenous anticoagulant proteins, thereby accelerating the inhibition of specific coagulation enzymes, like Factor Xa. This targeted pathway adjustment operates to reduce the influence of excessive mediator activity (clotting factors), resulting in altered dynamics within the vascular clotting system.### Vascular Wall and Trophic SignalingThis mechanism involves the drug's ability to influence the endothelial cell environment. It engages systems that regulate key signaling patterns by stabilizing the vascular lining and promoting the local availability of trophic mediators (e.g., growth factors and prostaglandins). This action restricts downstream effects of pro-inflammatory pathways and contributes to the re-establishment of vascular and tissue integrity.

Dosage and Administration Information

Administration and Use of Ulsidex (Sucralfate)

Ulsidex (sucralfate) is utilized according to specific parameters regarding dosage, timing, and route of administration.

Dosage Forms and Route

Dosage Form Route of Administration
Tablet Oral (by mouth)
Oral Suspension Oral (by mouth) or Enteral Tube

Standard Dosing and Timing

Ulsidex is typically administered at a dose of 1 gram per administration. For the treatment of active conditions, the dose is generally taken four times per day (QID). For long-term use (maintenance therapy), the dose is typically reduced to two times per day (BID).

Timing: All doses must be taken on an empty stomach. This is typically scheduled one hour before meals and at bedtime.

Administration Specifics

  • Oral Suspension: The bottle must be shaken well immediately before measuring and taking a dose.
  • Interactions: Antacids should not be taken within 30 minutes before or after Ulsidex. Other oral medications must be separated from Ulsidex by at least 2 hours to prevent potential alterations in drug absorption.
  • Duration: Treatment for active conditions is typically continued for 4 to 8 weeks or until healing is confirmed.

Special Populations and Handling

  • Renal Impairment: Dosing must be undertaken cautiously in patients with chronic kidney failure or those on dialysis due to the risk of aluminum accumulation.
  • Tube Feeding: When administered through an enteral feeding tube, the tube must be flushed with water (e.g., 10–15 mL) after the sucralfate dose is given.
  • Restriction: Ulsidex must not be administered intravenously under any circumstances.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Ulsidex


Evidence for use in Peripheral Occlusive Arterial Disease (POAD)

Research for Ulsidex in POAD examined patients experiencing functional limitations, such as leg discomfort during walking. The evidence primarily comes from short-term and intermediate-term Randomized Controlled Trials (RCTs) and systematic reviews. These studies examined specific outcomes reflecting daily functioning or activity level, such as the pain-free walking distance (PFWD) and maximum walking distance (MWD) recorded on a treadmill. Subgroups of patients, specifically those with concomitant diabetes or hyperlipidemia, was evaluated in some of these trials to provide context on the populations studied.

Studies reported measurements where patterns related to changes in walking distances were observed over the study period compared to the comparator. The results apply only to the populations studied, and there is limited information for long-term outcomes that assess outcomes like heart attack or stroke, as these were not the primary focus of the existing trials.


Evidence for use in Chronic Venous Insufficiency (CVI) / Vascular Support

Research explored the use of Ulsidex in conditions marked by functional limitations, such as CVI, which often involves edema and pain in the legs. The available evidence is a mix of RCTs and observational cohorts. These trials used methods examining patient-reported experiences and objective measures, such as leg swelling/edema volume and skin characteristics.

Findings describe patterns observed in the studies in both objective measurements and patient-reported outcomes describing perceived discomfort. Evidence is limited regarding the stability or recurrence of these patterns beyond the intermediate-term follow-up of the primary studies. Data for certain groups remain insufficient, particularly for individuals with advanced ulceration or special populations such as pregnant women.


Evidence Gaps and Areas of Uncertainty

While research has been studied for several vascular conditions, some key areas remain uncertain. Evidence is limited from single, large-scale, long-term RCTs specifically designed to assess outcomes like heart attack or stroke. The variability across studies means findings were mixed or inconsistent in some secondary outcome measures across the body of evidence. The long-term status of observed patterns over multiple years is not fully established, and comparative evidence is lacking from dedicated head-to-head trials against all current standard treatments.

Frequently Asked Questions (FAQ)

Common questions about Ulsidex (FAQ)


Q: What are the official approved uses for Ulsidex?

A: Regulatory documents indicate Ulsidex is officially approved for treating an active duodenal ulcer for a short period, generally up to eight weeks. It is also indicated for maintenance therapy following ulcer healing, which is intended to help reduce the risk of recurrence. This guidance comes directly from official prescribing information.


Q: What are the general expectations for results when using Ulsidex?

A: The primary goal of treatment is the complete healing of the ulcer over the course of treatment, according to clinical study data. It is important to know that successful short-term treatment with this medication, based on clinical data, may not alter the long-term frequency or severity of the underlying condition recurring.


Q: How is the effectiveness of Ulsidex measured in clinical trials?

A: In clinical trials for its approved use, the drug's effectiveness is evaluated objectively. Healing is evaluated in clinical trials by methods such as X-ray or endoscopic examination after the designated treatment period, typically between four and eight weeks.


Q: Is it normal to feel a little bit of nausea when first starting Ulsidex?

A: Nausea is listed in the official safety information as one of the commonly reported adverse effects in clinical trials. Most adverse reactions reported are typically minor, and in clinical trials, the drug was rarely discontinued due to side effects.


Q: Do side effects of Ulsidex usually improve over time?

A: According to regulatory safety data, adverse reactions reported in studies were generally minor. This evidence indicates that side effects are typically transient or manageable for most patients.


Q: Can Ulsidex cause sensitivity to the sun or skin rashes?

A: Skin rash is listed as a reported adverse effect in the medication's safety information. However, the official product label does not specifically mention photosensitivity.


Q: Has Ulsidex been approved by major regulatory bodies like the FDA or EMA?

A: The active ingredient in Ulsidex, sucralfate, has a long history of use and was approved by the FDA in its tablet form before 1982. The liquid suspension formulation was approved later in 1993.


Q: Why is Ulsidex sometimes described using the medical term [insert common jargon related to mechanism]?

A: Ulsidex is formally categorized as a cytoprotective agent, which means it protects cells. Its main activity is the formation of a sticky, ulcer-adherent complex that acts as a physical shield over the injury site. This protective layer isolates the tissue from corrosive digestive fluids like acid, pepsin, and bile salts, according to official labeling.


Q: Can Ulsidex be used to prevent a condition from occurring?

A: Official documents indicate Ulsidex has an approved use as maintenance therapy for patients. This means it can be used for a period after an acute duodenal ulcer has healed to help reduce the risk of it coming back.


Q: What happens in the body when Ulsidex is broken down (metabolized)?

A: The medication is known to act locally in the digestive tract and is only minimally absorbed into the body's circulation, according to clinical pharmacology. The small amounts that are absorbed are not metabolized and are instead excreted primarily through the urine.


Q: Does Ulsidex come in different strengths or formulations?

A: Regulatory information shows that the medication is available in more than one form. It can be found as a 1 gram oral tablet and as a 1 gram per 10 mL oral suspension (liquid form).


Q: Is Ulsidex considered an antibiotic or an antiviral?

A: Ulsidex is not classified as an antibiotic or an antiviral medicine. Its official classification is a Gastrointestinal Agent and a Cytoprotective Antiulcer Agent. The primary mechanism is local protection of the digestive lining, which is different from the systemic action of antibiotics or antivirals.


Q: Does Ulsidex cure the condition or only manage the symptoms?

A: Official regulatory documents indicate that short-term treatment is intended to result in the complete healing of the ulcer. However, successful treatment may not alter the long-term frequency or severity of the underlying condition's recurrence after the course is finished.


Q: Is Ulsidex available as a generic medicine?

A: Yes, the active ingredient in Ulsidex is sucralfate, and the FDA has approved generic versions of both the tablet and the oral suspension formulations.


Q: How long does it typically take for Ulsidex to start making a noticeable difference?

A: Studies indicate that the drug begins its localized, protective action by coating ulcers within one to two hours after a single dose is taken. This protective barrier is reported to have a duration of action of up to six hours.


Q: Are there any reported long-term side effects associated with Ulsidex use?

A: Long-term side effects are not explicitly detailed in the official safety information. However, due to the drug's aluminum content, official documents highlight a caution regarding the risk of aluminum accumulation and potential toxicity for patients with chronic renal failure or those receiving dialysis.


Q: Does Ulsidex affect sleep or cause drowsiness?

A: According to professional safety summaries, drowsiness and trouble sleeping are listed among the adverse effects that are sometimes reported by patients.


Q: Is it safe to consume alcohol while taking Ulsidex?

A: Official labeling for the medication does not contain a specific warning against the use of alcohol. However, official information does not specify whether consuming alcohol affects how the medication works.


Q: Are there any specific dietary restrictions or foods to avoid when taking Ulsidex?

A: Official regulatory documents require the medication to be administered on an empty stomach for proper use. Beyond this timing instruction, the official label does not prohibit specific foods or dietary restrictions.


Q: Does Ulsidex interact with common pain relievers like acetaminophen or ibuprofen?

A: Ulsidex has the potential to interfere with how other medications are absorbed. Official product information specifies that all other oral medications, including common pain relievers, should generally be administered at least two hours apart from Ulsidex to minimize potential interference with absorption.


Q: Can Ulsidex be taken with vitamins or herbal supplements?

A: Official safety information indicates that Ulsidex may affect the absorption of other substances, including medicines and supplements. For this reason, regulatory guidance indicates that separating the dosing of Ulsidex from other oral products is generally advised.


Q: What happens if a scheduled time for Ulsidex is missed?

A: Official guidance regarding a missed dose is to take it as soon as it is remembered. If it is almost time for the next scheduled dose, the guidance recommends that the missed dose should be skipped and the regular schedule continued.


Q: Can Ulsidex tablets or capsules be safely cut or crushed?

A: The official label does not contain instructions for the routine cutting or crushing of the tablet for standard use. However, the tablet is formulated to be dispersible in water to create a slurry.


Q: What are the symptoms of an overdose with Ulsidex?

A: According to official safety information on overdosage, the risk is minimal due to the drug's minimal absorption. Most patients in these situations remain asymptomatic, but reported symptoms include gastrointestinal issues such as dyspepsia, abdominal pain, nausea, and vomiting.


Q: What are the major warnings for operating machinery or driving while using Ulsidex?

A: The official product information lists side effects such as dizziness and drowsiness. For individuals who experience these effects, caution is generally indicated when performing tasks that require full mental alertness, such as operating machinery or driving.


Q: When was Ulsidex first introduced or made available to the public?

A: The active ingredient in this medication has been available for a long time. The original tablet formulation was approved by the FDA prior to January 1, 1982.


Q: Where can I find the official regulatory documents or prescribing information for Ulsidex?

A: The full official labeling, including the prescribing information for healthcare providers, can be found on government databases. Sources like the FDA DailyMed or corresponding European regulatory body websites contain this authoritative documentation.


Q: What should I know about stopping Ulsidex treatment?

A: The recommended duration of treatment for an active ulcer is a defined period of four to eight weeks or until healing is confirmed by a healthcare provider. The official label does not include a required tapering schedule, suggesting that abrupt discontinuation is common once the treatment course is complete.


Q: Does Ulsidex contain common allergens like lactose or gluten?

A: The complete list of inactive ingredients, known as excipients, is available in the medication's official regulatory documentation. Individuals concerned about specific allergens typically need to review this list for their specific formulation to check for the presence of ingredients like lactose or gluten.


Q: Is Ulsidex known to cause any false results in standard blood tests?

A: Studies have indicated that the medication may be associated with the potential for false-positive results on specific laboratory tests, particularly those used to detect occult blood in the stool, such as the Hemoccult test. Official studies have not indicated interference with results of H. pylori antigen tests.


Q: What are the non-medicinal ingredients in the Ulsidex tablet/capsule?

A: The full list of inactive ingredients, also known as excipients, used in the tablet or suspension formulation is included in the official prescribing information. This information is published on regulatory websites for patient and provider access.

How should Ulsidex be stored and disposed of?

Storage and Disposal Requirements

Ulsidex (sucralfate) must be stored under specific conditions to maintain its labeled quality and integrity, as required by regulatory authorities.

Storage Conditions

  • Temperature: Store the medication at Controlled Room Temperature, specifically between 20°C to 25°C (68°F to 77°F). Brief temperature excursions up to 30°C (86°F) are permitted.
  • Protection: Tablets must be kept in a tight, light-resistant container. The oral suspension formulation must AVOID FREEZING.
  • Child Safety: It is mandatory to keep this and all medications out of the reach of children.

Disposal

Official regulatory labeling does not provide product-specific instructions for discarding unused or expired Ulsidex. Patients should consult a healthcare provider or local waste management authority for guidance on proper medication disposal.

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

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