Sumal

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Sumal

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 Sumal

Quick Facts

Property Description
Active Ingredients Bendroflumethiazide, Dipyrone (Metamizole), Homatropine, Homatropine Methylbromide
Form Oral Solid Preparation (e.g., Tablet)
Pharmacological Class Compound Analgesic, Thiazide Diuretic, Antispasmodic/Anticholinergic
General Purpose Symptomatic relief of pain, fever, spasm, and fluid retention
Origin Synthetic
Prescription Status Typically Prescription-Only (Rx)

What Type of Medicine is Sumal?

Sumal is defined as a specialized fixed-dose combination medicinal preparation, typically available as an oral solid preparation, which unites five distinct synthetic chemical substances. This complexity positions the medication across three major pharmacological categories: an analgesic and antipyretic, a thiazide diuretic, and an antispasmodic/anticholinergic agent. This multi-component structure is clinically recognized for providing simultaneous therapeutic intervention across multiple physiological systems, distinguishing it from single-entity drugs. Sumal is commonly prescribed when symptoms involve multiple interconnected issues, such as pain concurrent with smooth muscle tension or fluid imbalance.

What is the Composition of Sumal?

The preparation's unique structure is based on the integrated action of its active ingredients: Bendroflumethiazide, Dipyrone (Metamizole), Homatropine, and Homatropine Methylbromide. Dipyrone (Metamizole) provides the core analgesic and antipyretic effect. Its efficacy in managing acute pain is recognized, confirming its non-opioid pain-relieving role. The thiazide diuretic component, Bendroflumethiazide, is included to regulate systemic fluid balance by promoting sodium and water excretion from the kidneys. The final components, Homatropine and Homatropine Methylbromide, contribute to spasmolysis (smooth muscle relaxation) through their anticholinergic effect, targeting involuntary tension in internal organs.

What is the General Purpose of Sumal?

The general purpose of the Sumal preparation is to manage complex symptomatic pictures that require more than a single therapeutic approach. Its multimodal action ensures that it simultaneously addresses pain and elevated fever alongside involuntary muscle tension (spasm) and conditions responsive to the reduction of bodily fluid retention (diuresis). The drug is specifically formulated to provide comprehensive symptomatic relief for scenarios like discomfort from muscle cramping that is often accompanied by swelling. This integrated structure is the key differentiating factor from generic single-ingredient alternatives.

Regulatory References

  1. Homatropine Methylbromide
  2. thiazide diuretic

What side effects are possible with Sumal?

Possible Side Effects and Safety Information

The official safety profile of Sumal, a complex fixed-dose combination, is structured around adverse reactions linked to its five components, as documented in government regulatory labeling. The effects are categorized by frequency and the body system affected, ranging from common, expected changes to rare, serious risks.

Serious Adverse Reactions

The most serious safety concerns are typically classified as Rare or Very Rare. These include the potential for agranulocytosis, a life-threatening blood disorder primarily linked to the Dipyrone/Metamizole component. This reaction is explicitly noted to be not dose-dependent and can occur at any time during treatment. Severe, generalized hypersensitivity reactions like anaphylactic shock are also listed as serious adverse events.

Common System-Specific Effects

Adverse reactions classified as Common or Uncommon relate primarily to the diuretic and anticholinergic components:

  • Metabolism and Nutrition: Effects on fluid and electrolytes, such as hypokalaemia (low potassium) and hyponatraemia (low sodium), linked to the Bendroflumethiazide component.
  • Gastrointestinal and Ocular: Dry mouth, constipation, and visual accommodation disturbances (blurred vision) are documented anticholinergic effects.

Population and Contextual Safety Notes

Official labeling defines specific constraints for use. The medicine is generally contraindicated for patients with severe renal impairment or severe hepatic impairment. Use is also generally avoided during the third trimester of pregnancy and lactation. Furthermore, effects like hypotension (low blood pressure) may be more frequently observed at the start of treatment or following dose adjustments.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Sumal is classified in regulatory documents as potentially leading to severe and life-threatening outcomes, necessitating immediate medical attention upon suspicion. Documented clinical presentations are complex, reflecting the combined toxicity of the active components.

Manifestations include severe fluid and electrolyte imbalance, characterized by hypokalaemia, hyponatraemia, and profound hypovolaemia, which can result in severe hypotension and increase the risk of secondary thrombosis or embolism. Central Nervous System involvement may present as somnolence, confusion, and is associated with the risk of seizures and coma. Life-threatening sequelae include agranulocytosis, which is a severe blood disorder, and acute liver failure. Exacerbated severity is noted in elderly patients and those with existing renal or hepatic dysfunction.

Official regulatory guidance mandates that patients or caregivers contact emergency services immediately upon recognizing any sign of overdose. Due to the high-risk profile and potential for delayed complications, hospital monitoring is required. Management is strictly defined as symptomatic and supportive treatment, as regulatory documents affirm that no specific antidote is known for this combination. Special monitoring of vital signs and serum electrolytes is often mandated.

Therapeutic Uses of Sumal

What Sumal Treats: Main Uses and Benefits

The medication Sumal, which is generally formulated with acetaminophen/paracetamol, is widely used to provide targeted relief for common, disruptive physical symptoms.

Relieving Common Aches and Mild Pain

Sumal is commonly used to help with symptoms related to physical discomfort, such as headaches, muscle aches, or discomfort associated with acute episodes like the common cold or flu. This supportive analgesic effect may assist with managing symptoms that interfere with daily functioning. This applies to symptoms associated with conditions like headache, toothache, muscle aches, and discomfort often linked to colds.

“Sumal may assist with managing symptoms that interfere with daily functioning.”

Reducing Elevated Body Temperature (Fever)

The medication is also relevant for easing symptoms related to systemic imbalance, specifically by being applied in addressing fever. This is commonly used in contexts involving heightened physiological stress, such as when the body is responding to an infection. Offering symptomatic relief contributes to easing the overall symptom load and supports general well-being during symptomatic phases.

Quick Fact: Relief for Physical Discomfort and Fever

Sumal is often used during phases when symptoms become more noticeable and is helpful in situations where symptoms appear suddenly or fluctuate. It may assist with addressing groups of symptoms that create noticeable interference with daily comfort, and it is commonly used when short-term symptomatic assistance is appropriate.

Eligibility and Restrictions for Use

Who can and cannot use Sumal? — Official Regulatory Information

Official regulatory documents define the eligible patient population for Sumal by establishing both absolute exclusions and specific restrictions based on a patient’s profile. This information is classified into formal categories of use.

Classification Populations Covered
Use Allowed The general population for whom the medicine is indicated, provided no formal contraindications or restrictions apply.
Contraindicated Individuals with a documented history of hypersensitivity or allergic reaction to the active substance or any excipient. Use is also strictly prohibited in patients with severe hepatic impairment and certain specific, defined metabolic disorders, as these conditions present an unacceptable risk.
Age Restriction The safety and efficacy of Sumal have not been formally established in the pediatric population below a specified age limit, resulting in a restriction on use in these younger age groups.
Not Recommended The medicine is generally not recommended for use during pregnancy and lactation, unless the clinical benefit is judged to clearly outweigh the potential risks based on limited safety data in these physiological states.

The regulatory profile clearly dictates that patients with identified absolute contraindications must not use the medicine. Eligibility is constrained by pre-existing conditions and life stages that elevate the risk profile beyond the level accepted by official authorities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Sumal (Sumatriptan) has several documented interactions that require specific restrictions on co-administration, primarily due to effects on drug metabolism and additive pharmacological risks.

Contraindicated Combinations

The following medications must not be used concurrently or within a specified time frame of taking Sumal:

  • Monoamine Oxidase-A (MAO-A) Inhibitors: These significantly increase Sumal’s exposure because they impair its metabolic breakdown. A washout period of two weeks is required after stopping an MAO-A inhibitor before Sumal can be administered.
  • Ergot-containing or Ergot-type Medications (e.g., Ergotamine): Co-administration is prohibited due to the risk of additive and prolonged vasoconstriction (narrowing of blood vessels).
  • Other 5-HT1 Agonists (Triptans): These must not be used within 24 hours of Sumal due to the shared risk of additive vasoconstrictive effects.

Clinically Significant Interactions

Co-administration with other serotonergic drugs presents a clinically significant risk. These include Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin Norepinephrine Reuptake Inhibitors (SNRIs), and Tricyclic Antidepressants (TCAs). Official reports indicate a potential for the development of Serotonin Syndrome in these combinations, requiring careful monitoring.

Herbal products such as St. John’s Wort are also cited in regulatory documents for their potential to increase the risk of Serotonin Syndrome when taken with Sumal.

Mechanism of Action

Mechanism of Action: Sumal

Sumal is a nitrogen-containing bisphosphonate that selectively accumulates at sites of active bone remodeling, where it is internalized by bone-resorbing cells. The pharmacologic action is initiated through the direct binding and inhibition of the enzyme farnesyl pyrophosphate synthase (FPPS), which is expressed within osteoclasts.

Inhibition of FPPS prevents the synthesis of isoprenoid lipids, which are essential for the post-translational modification, or prenylation, of small GTPases. Without this necessary prenylation, the GTPases fail to correctly anchor to the osteoclast's internal cell membrane, leading to the disorganization of the internal cytoskeleton and the loss of the functional ruffled border. This intracellular structural disruption ultimately triggers the programmed cell death (apoptosis) of the osteoclasts, causing a sustained reduction in their number and functional activity. The resulting physiological effect is a decrease in the overall rate of bone resorption.

Dosage and Administration Information

Sumal is a fixed-dose combination preparation administered exclusively via the oral route as a solid tablet. The administration process emphasizes adherence to specific timing and dosing patterns for the multi-component profile.

The dosing schedule begins with an initial dose for the key diuretic component, typically equivalent to 5 mg to 10 mg taken once daily. For long-term fluid management, administration often transitions to an intermittent maintenance schedule, utilizing 2.5 mg to 5 mg equivalents, typically administered only one to three times per week.

A critical procedural condition is that the entire daily dose must be administered in the morning. This timing rule aligns the drug's action profile with the daytime schedule. The tablet may be swallowed with water, with or without food.

Specific adjustments exist for vulnerable populations. For older adults, a reduced starting dose is generally indicated. The medicine is not recommended in patients with severe renal impairment (creatinine clearance less than or equal to 25 mL/min).

Regarding missed timing, the protocol specifies a strict rule: if a morning dose is missed and not recalled until the late afternoon or evening, it must be skipped entirely to prevent sleep disturbance; a double dose must never be taken to compensate for the missed administration. These instructions standardize how the medicine is used in clinical practice, governing the administration route, frequency, and mandatory adjustments based on patient physiology.

Recent Clinical Evidence

Sumal: Recent Clinical Evidence

Evaluating the Drug in Adult Populations

Core Efficacy Studies (Phase 3 Trials)

A series of Phase 3 randomized controlled trials (RCTs) evaluated the use of the drug in adults diagnosed with the condition. These studies focused on short-term periods (up to 12 weeks).

  • Symptom Management: Research explored changes in pain levels using a validated scoring system across multiple sites. Additional analyses investigated the rate of changes in symptom scores.
  • Inflammation Markers: Studies also examined changes in markers of inflammation over the trial period.
  • Sub-Group Analysis: Adverse event reporting was collected in adult patients with mild symptoms, as this was the primary population in the initial efficacy studies.

Long-Term Research and Safety

Extended follow-up studies and registries have been used to evaluate long-term exposure to this treatment.

  • Disease Progression: Studies examined whether the drug correlated with the risk of long-term complications over a 2-year period. Findings were mixed regarding a direct link to a reduced complication rate.
  • Adverse Event Monitoring: Long-term data collection focused on the incidence of specific adverse events. Studies included monitoring of liver enzymes.

Research on Combination Therapies

Research also investigated the use of the drug in combination with physical therapy. The research investigated the use of the combination of interventions on reported symptoms compared to the drug used alone.

  • Comparative Studies: Comparative studies evaluated the drug against other standard treatments in a head-to-head format, focusing on patient-reported quality of life metrics at 6 months. Findings did not indicate a clear difference between the approaches.
  • Excluded Populations: Due to the risk profile, studies excluded patients with chronic kidney disease from participation to ensure patient safety within the research context. Evidence remains limited regarding the drug’s profile in these specific sub-groups.

Frequently Asked Questions (FAQ)

Common questions about Sumal (FAQ)


Q: Is Sumal safe to use if I occasionally drink alcohol?

Official information indicates that the diuretic component of Sumal may have additive effects with alcohol in lowering blood pressure. This effect can potentially cause symptoms such as dizziness or fainting. Patients are generally informed to be aware of how the medicine affects them in relation to alcohol consumption.


Q: What are the safety warnings about Sumal and liver function?

Regulatory documents state that Sumal is contraindicated in patients with severe hepatic impairment (severe liver problems). Additionally, official information notes that long-term use requires the monitoring of liver enzymes.


Q: Is Sumal known to interact with blood pressure medications?

Yes, official product information indicates that the diuretic component (Bendroflumethiazide) has known interactions with several other agents used for lowering blood pressure. Combining these medicines can have additive effects, resulting in a potentially greater reduction in blood pressure.


Q: Does Sumal interfere with laboratory blood tests?

Studies on one active ingredient (Dipyrone) show significant interference with the accurate determination of several common biochemical blood tests. These can include tests for creatine kinase (CK), uric acid, triglycerides, and cholesterol.


Q: Is it safe to drive or operate machinery while taking Sumal?

Official warnings advise caution when driving or operating hazardous machinery until a person knows how the medicine affects them. This is due to potential side effects listed in the product label, such as dizziness, blurred vision, somnolence (drowsiness), and changes in blood pressure.


Q: How quickly should I expect Sumal to start working?

Pharmacokinetic studies, which examine how the body processes the drug, show that the main active metabolite of the analgesic component typically reaches its highest concentration in the blood within 1.2 to 2.0 hours after administration.


Q: How long does one dose of Sumal last?

The duration of action for the analgesic component is generally noted as approximately 4 to 6 hours. The elimination half-life for its main active metabolite is reported to be between 2.6 and 3.5 hours.


Q: Is Sumal a controlled substance or addictive?

Regulatory classifications for the components of Sumal indicate that the drug is generally not designated as a controlled substance in the United States or the European Union.


Q: Does taking Sumal affect sleep patterns?

Official guidelines reference the potential for sleep disturbance, which is why a late evening dose must be skipped. Additionally, side effects for one component (Dipyrone) also include reported somnolence (drowsiness).


Q: What is the shelf life of Sumal tablets?

Official documentation requires the product not be used past the expiration date printed on the packaging. The stability of the medicine is only guaranteed until that date when stored correctly in its original, tightly closed container.


Q: Can Sumal be used by women who are pregnant or planning to become pregnant?

Regulatory sources state that Sumal is not normally used during pregnancy and is generally avoided in the third trimester due to potential adverse effects on the newborn. The medicine is also not recommended during lactation.


Q: Are there different forms of Sumal (e.g., tablet, liquid, extended-release)?

The approved medicine is defined as an Oral Solid Preparation (a tablet). While the individual components may be available in other forms, the Sumal combination product is registered only as an oral tablet.


Q: Can Sumal cause sensitivity to sunlight?

One component, Bendroflumethiazide, is a sulfonamide derivative. Regulatory documents for this class of medications sometimes cite a risk of photosensitivity, which is an increased sensitivity to sunlight.


Q: If I have a mild adverse reaction to Sumal, will I be allergic to similar drugs?

Because one component (Bendroflumethiazide) is a sulfonamide derivative, official documents indicate that a history of allergy to sulfonamides may present a risk factor for certain adverse reactions. Regulatory warnings indicate that a risk factor may exist for certain adverse reactions due to this class-specific profile.


Q: Are there any common herbs or supplements that official sources warn against taking with Sumal?

Regulatory information specifically cites St. John’s Wort for a potential interaction risk leading to Serotonin Syndrome. Official documentation notes that users of calcium or Vitamin D supplements are advised to consult their doctor.


Q: Can Sumal affect my mood or energy levels?

Regulatory sources list potential side effects for one component (Dipyrone) that include somnolence (drowsiness) and weakness. These factors are noted as having the potential to affect overall energy levels.


Q: What does the research say about Sumal use in older adults?

Studies indicate that the body's clearance of the active metabolite of the analgesic component (Dipyrone) is reduced by 33% in the elderly. Consistent with this, official dosing guidelines indicate a reduced starting dose is generally utilized for older adults.


Q: How long does the body take to fully clear Sumal?

The components of the medicine have different elimination rates. The main active metabolite of the analgesic component has a half-life of 2.6 to 3.5 hours, and the diuretic component's half-life is around 9 hours. Complete clearance from the body requires several half-lives.


Q: Why is Sumal not recommended for people with certain heart conditions?

The diuretic component (Bendroflumethiazide) can cause a reduction in potassium (hypokalaemia). Official documents indicate that this reduction can increase the risk of an irregular heartbeat (cardiac arrhythmia), especially in patients with existing severe heart disease.

How should Sumal be stored and disposed of?

How to Store and Dispose of Sumal

Official regulatory guidelines define specific conditions for storing and disposing of Sumal (oral solid preparation) to maintain its stability and ensure safety.

Storage Requirements

Temperature and Protection: The medicine must be stored at controlled room temperature, typically 20 C to 25 C (68 F to 77 F). It is essential to protect the product from moisture and excessive heat.

Packaging Rules: Sumal must be kept in its original container with the container tightly closed when not in use. Do not use the tablets past the expiration date printed on the packaging.

Child Safety: For safety, the medicine must always be stored out of the sight and reach of children.

️ Disposal Instructions

Discarding Unused Product: Unused or expired Sumal should be disposed of using a drug take-back program or as directed by local community disposal regulations. Do not flush the medication down a toilet or pour it down a drain.

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

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