Sincol

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Sincol

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 Sincol

Sincol: Unveiling a Unique Combination Analgesic Compound

Property Description
Active Ingredients Acetaminophen, Pamabrom, Pyrilamine Maleate
Form Oral Caplet / Tablet
Pharmacological Class Analgesic Combination
Common Use Temporary multi-symptom relief (pain, bloating, discomfort)
Origin Synthetic Compound

Sincol is a widely recognized over-the-counter (OTC) combination medication that falls within the pharmacological class of analgesic combinations, specifically formulated for multi-symptom relief in a single oral caplet form. It is distinguished by its unique three-component composition, targeting a cluster of symptoms that often co-occur. Unlike single-ingredient pain relievers, Sincol is designed for comprehensive temporary symptomatic use, a strategy clinically recognized for effectiveness in managing overlapping discomforts.

What is Sincol's Composition and Origin?

Sincol is composed of three primary active, synthetic ingredients, each addressing a different physiological symptom cluster: an analgesic, a diuretic, and an antihistamine. The core pain-relieving ingredient is acetaminophen. The formula also includes pamabrom, a recognized diuretic that helps reduce temporary water-weight gain and bloating, and pyrilamine maleate, an antihistamine. Acetaminophen, the main active component, is a non-opioid pain reliever that is synthetically produced.

General Therapeutic Role and Indications for Sincol

The primary therapeutic role of Sincol is to offer temporary, multi-symptom relief for a specific cluster of aches and minor physiological effects. Its specific combination makes it a suitable choice for managing general pain, such as mild headache or back discomfort, when accompanied by minor symptoms like bloating or fluid retention. This combination of agents allows the medicine to manage multiple symptoms in a single dose, thereby quickly restoring comfort during temporary periods of distress.

Regulatory References

  1. NIH: Acetaminophen Review

What side effects are possible with Sincol?

Possible Side Effects and Safety Information

The safety characteristics of Sincol, a combination analgesic, are officially documented in regulatory labeling and are primarily defined by the known risks associated with its active components. The risk profile is categorized by specific systems affected and high-level safety constraints.

Adverse Reactions and System Classification

Adverse effects are documented across several physiological systems, with common, non-quantified reactions largely derived from the antihistamine component. These may include effects on the Nervous System (such as drowsiness and dizziness) and Gastrointestinal Disorders (including dry mouth and constipation). Other systems involved include Ocular Disorders (blurred vision) and, specifically in children, excitability is noted.

Serious Adverse Reactions

The official labeling highlights the risk of Severe Liver Damage (Hepatotoxicity), which is associated with the acetaminophen component, particularly when exceeding recommended exposure. Additionally, an Allergy Alert is documented regarding the potential for Severe Skin Reactions, such as skin reddening, blisters, and rash, consistent with regulatory classifications of serious adverse events.

Safety Restrictions and Special Considerations

Regulatory documents include several high-level safety constraints. Concurrent use of this medicine with alcohol is explicitly restricted, as is co-administration with any other product containing acetaminophen, due to the heightened risk of severe liver damage. The label specifies that consultation with a health professional is required for individuals with pre-existing conditions such as liver disease, glaucoma, certain breathing problems, or difficulty in urination related to prostate enlargement. Furthermore, caution is advised when operating machinery or driving due to the potential for drowsiness.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information for Sincol, a product containing Acetaminophen, Pamabrom, and Pyrilamine Maleate, emphasizes the severe, time-critical risk associated with the acetaminophen component in overdose situations. The most serious consequence documented is severe liver damage (hepatotoxicity), which can escalate to acute liver failure and death.

Initial overdose symptoms can be non-specific—such as nausea, vomiting, or sweating—or may even be delayed, meaning an individual might feel well initially despite having taken a toxic amount.

Primary Overdose Risk Severity Classification
Severe Liver Damage/Failure Life-Threatening

Mandatory Emergency Action: Prompt medical attention is critical for all adults and children, even if you do not notice any signs or symptoms. The regulatory standard requires you to get medical help or contact a Poison Control Center right away in case of overdose.

Risk factors explicitly noted in official labeling include exceeding the maximum daily dose of acetaminophen (4,000 mg in 24 hours), taking the product with other acetaminophen-containing medications, or consuming three or more alcoholic drinks daily. Overdose management may involve administering the antidote, N-acetylcysteine, and requires specific hospital monitoring of liver function.

Therapeutic Uses of Sincol

What Sincol Treats: Main Uses and Benefits

Sincol is commonly used across domains where additional symptomatic support is needed in diagnostic procedures involving the gastrointestinal system, and may be part of symptomatic management applied in contexts other than long-term condition modification. It plays a role in managing several clinical scenarios relevant when supportive symptom management is appropriate during medical assessment.

Its primary use is to assist with various diagnostic imaging procedures. This includes scenarios where functional stability becomes affected, such as when obtaining bile samples, supporting the analysis of pancreatic enzyme activity (when used with secretin), and contributing to easing the overall symptom load during contrast agent passage through the small bowel.

It helps support the patient during difficult episodes by easing distress when short-term symptomatic assistance is needed to complete a necessary medical evaluation.

“Sincol is applied in clinical settings that involve acute or unstable symptom patterns to facilitate supportive diagnostic information.”

Quick Fact: Relief for Symptoms that Interfere with Daily Functioning

Therefore, it is generally applied in addressing symptoms that create noticeable physiological strain during testing, providing supportive relief when short-term symptomatic assistance is needed to complete a diagnostic procedure.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Sincol

The official eligibility profile for Sincol (Acetaminophen, Pamabrom, Pyrilamine Maleate) defines the populations permitted, restricted, or prohibited from use, as stated in regulatory documents.

Category Official Regulatory Statement
Populations for whom use is allowed Adults and children 12 years and over are the approved population for general use.
Populations for whom use is contraindicated Patients with known hypersensitivity (allergy) to any ingredient.
Concurrent use with any other drug containing acetaminophen.
Use while consuming 3 or more alcoholic drinks every day.
Age-related eligibility rules Use in children under 12 years is not recommended without consultation with a doctor.
Condition-specific eligibility rules (Conditional Use: Ask a doctor before use) Patients with liver disease or glaucoma.
Patients with difficulty in urination due to prostate enlargement.
Patients with a breathing problem such as emphysema or chronic bronchitis.
Pregnancy and lactation eligibility status If pregnant or breast-feeding, mandatory consultation with a health professional is required before use.

These regulatory statements establish the population boundaries for use by setting absolute contraindications (such as allergy and co-administration with other acetaminophen products) and mandating professional consultation for individuals with specific pre-existing conditions (e.g., liver disease, glaucoma). The minimum age for unsupervised use is formally set at 12 years.

What should I know about interactions with other medicines?

Sincol's official interaction profile is structured around two primary regulatory concerns: the potential for hepatic accumulation from the acetaminophen component and pharmacodynamic risks from the antihistamine component. Certain combinations are formally classified as contraindicated and must be strictly avoided. The co-administration of Sincol with any other medicine containing acetaminophen is prohibited due to the risk of exceeding the maximum safe dose and causing severe liver damage. Co-use with Monoamine Oxidase Inhibitors (MAOIs) is also contraindicated, including use within 14 days of stopping an MAOI, as this results in enhanced antihistamine effects.

Interactions documented as clinically significant require administrative or monitoring adjustments. The co-administration of the acetaminophen component with Warfarin or other coumarin anticoagulants can potentiate the hypoprothrombinemic effect, necessitating closer monitoring of the International Normalized Ratio (INR). Substances that interfere with absorption, such as Cholestyramine, must be separated from Sincol administration by at least one hour to mitigate the pharmacokinetic interaction that reduces drug exposure. Furthermore, combining Sincol with alcohol or other Central Nervous System (CNS) depressants, such as sedatives or tranquilizers, causes an additive pharmacodynamic effect, specifically increased drowsiness. The risk of hepatotoxicity from these interactions is heightened in individuals with pre-existing liver disease.

Mechanism of Action

How Sincol Works: Biological Mechanisms

Sincol operates through three distinct, complementary mechanistic domains that target key regulatory systems, engaging mechanisms that modulate overactive or dysregulated processes.


Modulating Central Pain and Thermoregulation

This domain is driven by the analgesic component, which primarily exerts its action via the inhibition of the Cyclooxygenase (COX) pathway within the Central Nervous System (CNS). This central action modifies the synthesis of chemical mediators ( PGE2) involved in both the central processing of nociceptive signals and the body's thermoregulatory set point in the hypothalamus. This action alters the central processing of nociceptive signals and adjusts the body's thermoregulatory set point.


Regulating Renal Fluid Balance

The diuretic component engages mechanisms that influence renal fluid and electrolyte regulation. Its active moiety acts directly on the renal tubular cells, where it interferes with the reabsorption of sodium ( Na^+) and water. This interference initiates a cascade leading to increased water excretion and a corresponding change in systemic fluid volume.


Blocking Histamine and Sensory Signals

The antihistamine component, pyrilamine maleate, is defined by its competitive antagonism of Histamine H1 receptors and, secondarily, its direct modulation of voltage-gated sodium channels in nerve fibers. This dual action suppresses signaling mediated by histamine and local nerve excitability, leading to the physiological consequence of decreased responsiveness to histamine-mediated nerve stimulation.

Dosage and Administration Information

How to Use Sincol: Official Administration Guidelines

The usage of Sincol (Acetaminophen, Pamabrom, Pyrilamine Maleate) is strictly defined by regulatory guidelines to ensure appropriate consumption of this oral combination medication. These official instructions govern the route, dosing schedule, and the specific patient population approved for use.


Official Administration Scope

Instruction Domain Official Guideline
Route of Administration Oral (taken by mouth).
Dosing Schedule The standard single dose is two (2) caplets. The dosage should not exceed six (6) caplets in a 24-hour period.
Frequency Pattern The standard dose may be repeated every 6 hours as required for temporary relief.
Preparation Requirements The caplet or tablet must be swallowed whole with water.

Population and Contextual Rules

Administration of Sincol is subject to specific age and duration constraints as outlined in the drug's official labeling, which establishes the maximum time for continuous use and minimum age for administration.

Classification Type Detail
Approved Age Group For use in individuals 12 years of age and over. Children under this age require consultation with a healthcare professional prior to use.
Use-Context Constraint Use for pain relief is generally limited to a maximum of 10 days, and use for fever is limited to 3 days, before consultation with a professional is required.
Maximum Dose Adherence Users are instructed not to exceed the stated dosage under any circumstance.

Usage Protocol Summary

According to the protocol, the medicine is administered via the oral route in a fixed quantity of two caplets at a six-hour interval, as needed. These instructions standardize the medicine's application, detailing both the physical method of intake and the necessary time limitations for its temporary use.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Sincol

This section summarizes the types of official research that have investigated Sincol's combination of ingredients (acetaminophen, pamabrom, and pyrilamine maleate) for its two main indications. The findings reflect patterns observed in the populations studied, but research provides context but not individual predictions.


Evidence for Temporary Relief of Menstrual and Premenstrual Symptoms

The evidence base for the primary non-prescription use primarily relies on Randomized Controlled Trials (RCTs) and Systematic Reviews that explore symptom patterns when evaluating analgesic, diuretic, and antihistamine combinations. This research focuses on outcomes related to physical discomfort and systemic or functional imbalance associated with the menstrual cycle. The studies monitored patient-reported outcomes describing perceived discomfort, such as measurements of headache and menstrual cramp intensity, alongside recorded changes in bloating or temporary water-weight gain.

These studies were conducted during periods of increased symptom activity and typically involved adult women who experienced mild-to-moderate physical symptoms. The evidence contributes to understanding symptom patterns that are typically short-term and non-continuous in conditions characterized by fluctuating or episodic manifestations.


Supportive Evidence for Use in Diagnostic Procedures

The investigation of this combination in the context of supportive action during specific diagnostic procedures was evaluated in a different research context. The evidence for this specialized use often comes from supportive clinical trials and regulatory data focused on acute, temporary use. This research examined temporary physiological imbalance and patient-reported outcomes describing discomfort occurring during certain medical assessments, such as those involving the gastrointestinal system.

These studies were generally small and observational, focusing on acute, immediate effects rather than long-term use. Data show patterns related to the maintenance of functional stability during the procedure itself. However, because this research is highly specialized, the results apply only to the populations studied who were undergoing those specific diagnostic tests.


Review of Study Durations and Long-Term Follow-up

The available research primarily consists of short-term clinical trials which are relevant in trials assessing short-term or episodic symptom patterns. Given that its indication addresses temporary, as-needed symptom patterns, long-term effects are not fully established. There is limited information for long-term outcomes regarding the repeated use of this combination over many months or years, as follow-up durations were limited in most regulatory studies.

Key Studies & References

  1. Review: Acetaminophen (Paracetamol): A Review of the Research and Clinical Trials
  2. Systematic Review: Pharmacological management of premenstrual syndrome (Representative review for Diuretic/Antihistamine Components)

Frequently Asked Questions (FAQ)

Common questions about Sincol (FAQ)


Q: Is Sincol considered a newer medicine or has it been around for a long time?

Official information defines Sincol as a Human Over-The-Counter (OTC) Drug. While the combined product is tracked under its current regulatory status, its active components—such as acetaminophen, a common pain reliever, and pyrilamine—have a long history of use in medicine.


Q: Is Sincol the same type of drug as [Similar Drug Name]?

Sincol is officially classified as an Analgesic Combination. This classification exists because the product contains three distinct active ingredients: a pain reliever (acetaminophen), a diuretic (pamabrom), and an antihistamine (pyrilamine maleate). Other medications may share some, but not all, of these components.


Q: What is the difference between Sincol and a vitamin supplement for the same issue?

Regulatory sources define Sincol as a Human OTC Drug containing specific synthetic active pharmaceutical ingredients, which are subject to government-defined dosing and safety warnings. This is different from vitamins or standard dietary supplements, which have different regulations and rules for their claims and use.


Q: Can Sincol be used for conditions other than what the doctor originally prescribed it for?

The official indication for Sincol is for the temporary relief of a cluster of specific symptoms, such as cramps, headaches, and bloating associated with menstrual periods. Official labeling directs users to 'Ask a doctor before use' for any condition that is not listed on the packaging.


Q: What happens if I forget to use Sincol one time?

The medicine is intended for temporary, as-needed use, rather than a daily schedule. Official administration guidelines for medications used on an as-needed basis do not typically address the concept of a missed dose.


Q: Can I drink coffee or caffeine while I am taking Sincol?

The official label does not list a specific interaction with caffeine. However, a major caution is documented to avoid alcoholic beverages because the antihistamine ingredient in Sincol can increase feelings of drowsiness.


Q: Does Sincol show up on drug tests or screenings?

Sincol is officially classified as a Human OTC Drug with a DEA Schedule of None. This means the active ingredients are not controlled substances. Standard screenings usually target controlled substances.


Q: Is Sincol likely to cause weight changes over time?

Official safety data does not commonly list long-term weight changes as a reported adverse reaction. One of the active ingredients, pamabrom, is a diuretic included to help temporarily relieve water-weight gain and bloating.


Q: Do I need to avoid certain foods or vitamins while on Sincol?

The official product information instructs the user to take the caplet with water, but it does not list any specific food or vitamin interactions that must be avoided. However, regulatory warnings stress the importance of avoiding alcohol and other medicines that contain acetaminophen.


Q: Is it true that Sincol can cause sleep changes, and what kind of changes are common?

Regulatory warnings state that drowsiness may occur because the medication contains an antihistamine. Combining Sincol with other Central Nervous System depressants, such as alcohol, sedatives, or tranquilizers, may increase this specific effect.


Q: What is the risk level of getting addicted to or dependent on Sincol?

Official regulatory documents classify Sincol as an Over-The-Counter (OTC) drug with a DEA Schedule of None. This classification applies to substances that do not have a known risk of dependence or abuse.


Q: Can I use Sincol if I am pregnant or planning to become pregnant? (Informational only)

The official label contains a mandatory warning that states: 'If pregnant or breast-feeding, ask a health professional before use.' This requires a necessary consultation with a healthcare provider before this medicine is used during pregnancy or while nursing.


Q: Can Sincol interact with herbal supplements like St. John's Wort?

The official product labeling contains warnings regarding co-administration with certain other medications, but it does not specifically list St. John's Wort. Official guidance advises users to 'Ask a doctor or pharmacist before use' if they are taking any other medications or supplements.


Q: Do studies suggest that Sincol works better for certain groups of people?

The official indication is focused on the temporary relief of symptoms associated with menstrual periods. Research evidence used to support its use tends to focus on symptom patterns observed in patient-reported outcomes among adult women.


Q: Can Sincol affect my mood or emotional state?

The official labeling explicitly lists 'irritability' as one of the symptoms for which the product may provide temporary relief. While it does not specifically list worsening of anxiety or nervousness as a common side effect, adverse effects like drowsiness and (in children) excitability are noted.


Q: Why do official sources classify Sincol in a certain safety category (e.g., Schedule X)?

Official regulatory documents classify Sincol as a Human OTC Drug with a DEA Schedule of None. This classification defines it as a non-controlled, over-the-counter medication, which means it is sold without needing a prescription.


Q: Is Sincol often used as a first-line treatment?

Sincol is regulated as an Over-The-Counter (OTC) product. Because it is indicated for the temporary, multi-symptom relief of common, minor menstrual symptoms, its OTC status generally positions it for self-selection for initial symptom management.


Q: Do you need lab tests before starting or while using Sincol?

Official warnings note that consultation with a doctor is required for individuals with pre-existing conditions, such as liver disease. While routine, mandatory lab tests are not specified by the label for all users, monitoring is a standard procedure in certain clinical situations, such as suspected overdose.


Q: What kind of studies (e.g., clinical trials) were done on Sincol?

The regulatory basis for Sincol's use is supported by studies that examined the combined effects of its ingredients for temporary symptom relief. This evidence includes research such as Randomized Controlled Trials (RCTs) and systematic reviews.


Q: Does Sincol work by affecting hormones or brain chemicals?

The mechanisms involve influencing certain nerve signals. The analgesic component affects chemical mediators called prostaglandins in the Central Nervous System (CNS), and the antihistamine component works by blocking Histamine H1 receptors, which are involved in nerve signaling.


Q: What are the known limitations of Sincol treatment mentioned in official documents?

Official limitations include restrictions on the maximum amount taken in a 24-hour period. Furthermore, use for pain relief is generally limited to 10 days and use for fever to 3 days before consultation with a health professional is advised.


Q: Can Sincol make existing anxiety or nervousness worse?

The official label does not list worsening of anxiety or nervousness as a common side effect. However, the product is indicated to temporarily relieve symptoms including 'irritability,' and in children, the label notes that excitability may occur.


Q: How does the body generally eliminate Sincol?

The primary elimination pathway for the acetaminophen component involves processing by the liver. This is why regulatory warnings stress the potential for Severe Liver Damage if the maximum dose is exceeded or if the drug is combined with alcohol or other acetaminophen products.


Q: Does Sincol have any black box warnings mentioned in the official documents?

While the specific term 'Black Box Warning' (or Boxed Warning) may not be present on the OTC label, the document contains prominent, serious safety warnings. These warnings cover the risk of Severe Liver Damage and the potential for Severe Skin Reactions.


Q: What if I experience mild stomach upset after taking Sincol?

The antihistamine component of Sincol, pyrilamine maleate, can cause Gastrointestinal Disorders, which includes dry mouth and constipation. Regulatory documents state that use should be stopped and a healthcare professional consulted if new or worsening symptoms occur.


Q: Are there different versions or brands of Sincol, and are they all the same?

Official documents define the medicine by its active ingredients: Acetaminophen, Pamabrom, and Pyrilamine Maleate. Multiple products from different brands may contain this exact combination, but the official label defines only the required strength of the active ingredients.

How should Sincol be stored and disposed of?

Storage Requirements

Sincol oral caplets must be stored at controlled room temperature, specifically 25 C (77 F), with brief temperature variations permitted between 15 C and 30 C (59 F and 86 F). The container must be kept tightly closed in a dry, well-ventilated location, avoiding extreme heat, and the product must not be used past the printed expiration date. The medication is required to be stored out of the reach of children and pets.

Disposal Instructions

The primary method for discarding unused or expired Sincol is through a drug take-back program or an authorized mail-back envelope. If those options are unavailable, the medication should be removed from its container, mixed with an unappealing substance (like used coffee grounds), sealed in a bag, and placed in the household trash. The product must not be flushed down the toilet or poured down a sink.

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

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