Calmidol Max

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Calmidol Max

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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 Calmidol Max

Quick Facts

Property Description
Active ingredient Ibuprofen and Caffeine
Form Fixed-dose combination (Tablet or Capsule)
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID) and Psychoanaleptic
Common use Mild to moderate pain and fever
Origin Synthetic chemical preparation

What Type of Medicine is Calmidol Max?

Calmidol Max is a proprietary, synthetic fixed-dose combination drug administered via the oral route, typically supplied as a tablet or capsule for adult use. It is broadly classified as a combination of a Non-Steroidal Anti-Inflammatory Drug (NSAID) and a methylxanthine derivative. The Ibuprofen component belongs to the propionic acid derivative class of NSAIDs, which is widely recognized for its anti-inflammatory properties.

This preparation’s specific blend distinguishes it from single-agent analgesics. Calmidol Max is generally positioned as an Over-the-Counter (OTC) option, offering convenient access to a dual-action formula for temporary, common discomfort.

Composition: Ibuprofen, Caffeine, and Synergistic Action

The composition of Calmidol Max consists of two primary active ingredients: Ibuprofen and Caffeine. Ibuprofen serves as the main antipyretic and anti-inflammatory agent, while Caffeine is included as a co-analgesic, or adjuvant, in the formulation.

This co-formulation is integral to its design, as adding a low dose of caffeine to common analgesics, such as ibuprofen, is intended to enhance the overall pain relief experienced. This combination is designed to be effective in acute pain management. The fixed-dose design ensures that the synergistic relationship between the anti-inflammatory action of Ibuprofen and the efficiency-boosting effect of Caffeine is reliably optimized and delivered.

General Purpose and Benefit of the Combination

The overarching therapeutic purpose of Calmidol Max is the efficient symptomatic relief for mild to moderate pain and the reduction of an elevated body temperature or fever. The medicine is designed to address these common, non-specific discomforts concurrently.

The combination provides a distinct advantage over single-ingredient NSAIDs by offering a dual therapeutic pathway. This combination is intended to elicit a more favorable analgesic response compared to the NSAID component alone. This approach offers an enhanced method for rapid symptomatic management.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Calmidol Max?

Possible Side Effects and Safety Information

The safety profile of Calmidol Max is established by government regulatory agencies (such as the FDA, EMA, and Health Canada) through a structured classification of documented health risks and adverse reactions.

Serious Safety Information

Official regulatory documents include explicit warnings for two major categories of serious adverse events:

  • Serious Cardiovascular Thrombotic Events: Use of this medicine can increase the risk of serious, potentially fatal, cardiovascular thrombotic events, including myocardial infarction (heart attack) and stroke. This risk may increase with the duration of use and is observed more consistently at higher doses. Use should be avoided in the setting of recent myocardial infarction and is specifically contraindicated for the treatment of pain following coronary artery bypass graft (CABG) surgery.
  • Serious Gastrointestinal Adverse Events: The medicine carries a risk for serious, potentially fatal, gastrointestinal adverse events, including bleeding, ulceration, and perforation of the stomach or intestines.

Adverse Reactions by Likelihood and System

Adverse reactions are classified by how often they occurred in clinical studies and are organized by the affected body system (System-Organ-Class).

Classification Examples of Documented Reactions
Most Common (documented in ge5% of users) Diarrhea, upper respiratory tract infections, dyspepsia (indigestion), and influenza-like symptoms.
Common Dizziness, headache, nausea, heartburn, and abdominal pain.
Rare Severe hepatic reactions, Stevens-Johnson Syndrome (SJS), and Toxic Epidermal Necrolysis (TEN).

Safety-Related Restrictions

The medicine is contraindicated and must not be used in the following conditions or populations:

  • Patients with a known hypersensitivity or allergic-type reactions to aspirin or other Nonsteroidal Anti-inflammatory Drugs (NSAIDs).
  • Patients undergoing perioperative pain treatment for Coronary Artery Bypass Graft (CABG) surgery.
  • Starting at 30 weeks of gestation (third trimester of pregnancy) due to the documented risk to the fetus.

Overdose and Emergency Response

Overdose and when to seek help

This section outlines the officially documented clinical manifestations and required emergency actions in case of overdose with Calmidol Max (Ibuprofen and Caffeine), based strictly on government regulatory labeling.


Documented Overdose Manifestations

Overdose presentation is associated with symptoms from both active components. Documented signs include central nervous system (CNS) effects such as lethargy, drowsiness, headache, tinnitus, and agitation or tremor. Gastrointestinal disturbances, including nausea, vomiting, and epigastric pain, are commonly reported manifestations.

Potential severe systemic outcomes documented in regulatory labeling include acute renal failure, gastrointestinal hemorrhage, coma, seizures, and cardiac arrhythmias. The official profile notes increased severity for patients with pre-existing renal impairment.

Emergency Actions Required

Regulatory guidance mandates that individuals seek immediate medical attention or contact emergency services upon any suspected or confirmed overdose. Immediate medical evaluation is required regardless of the presence of symptoms. Management involves a symptomatic and supportive treatment protocol, as no specific antidote is known. Procedures such as the administration of activated charcoal or gastric lavage may be considered if the ingestion occurred within one hour.

Therapeutic Uses of Calmidol Max

What Calmidol Max Treats: Main Uses and Benefits

The primary role of Calmidol Max is to be commonly used for symptomatic relief across common conditions characterized by mild to moderate pain and elevated body temperature. It is generally applied in situations where symptoms create noticeable interference with daily stability and where short-term symptomatic assistance is needed.

This medication is commonly applied to ease the burden of various acute discomforts, including tension headaches, acute, episodic migraine attacks, dental pain, musculoskeletal aches, and primary dysmenorrhea (menstrual pain). The combination is relevant for easing localized discomfort, which may assist with maintaining functional stability during symptomatic phases. It is also relevant for easing symptoms related to the common cold or influenza (flu).

Supportive symptom management can often make the difference in coping with acute, self-limiting discomfort.

Quick Fact: Relief for Multiple Symptom Domains

Domain Conditions/Symptoms Managed Therapeutic Benefit
Pain Headaches, Muscle Aches, Dental, Menstrual Cramping Supports easing localized discomfort and pain intensity.
Fever Common Cold, Flu, Systemic Illnesses Helps moderate and reduce elevated body temperature.

Regulatory References

  1. National Institutes of Health overview of Ibuprofen

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Calmidol Max?

The official eligibility profile for Calmidol Max, as defined in regulatory labeling, strictly dictates the populations who can safely use the medicine and those who must not.

Contraindicated Populations (Must Not Use)

Use is strictly contraindicated for individuals with known hypersensitivity or allergic reactions to the active substance or any of its inactive components. Furthermore, individuals with specific, high-risk pre-existing conditions, such as active gastrointestinal bleeding or severe, uncontrolled heart failure, are prohibited from using the medicine.


Restricted and Age-Related Eligibility

The label places restrictions on use based on age and physiological status. Calmidol Max is generally not recommended for use in children under 12 years of age as safety and efficacy have not been established in this pediatric group. Eligibility is also constrained by organ function; patients with severe hepatic impairment or severe renal impairment are typically restricted from use due to increased risk.


Pregnancy and Lactation

Use during certain periods of pregnancy (often the third trimester) is typically prohibited. The regulatory label provides specific guidance regarding use during breastfeeding, classifying the risk to the infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Calmidol Max, a combination of Ibuprofen and Caffeine, details officially documented constraints based on both active ingredients as outlined in government regulatory sources. This information focuses strictly on officially documented interaction patterns, outcomes, and restrictions.

Contraindicated and High-Risk Combinations Co-administration with other NSAIDs, including high-dose Aspirin, is formally contraindicated due to an additive risk of serious gastrointestinal ulceration and bleeding. The medicine is also prohibited for treating pain immediately before or after Coronary Artery Bypass Graft (CABG) surgery.

Clinically Significant Pharmacodynamic Interactions Combinations with Oral Anticoagulants (like Warfarin), Corticosteroids, Antiplatelet Agents, and SSRIs may result in a pharmacodynamic increase in the risk of serious gastrointestinal bleeding. Furthermore, the Caffeine component requires limiting the consumption of other caffeine-containing products (including food and beverages) to avoid excessive central nervous system stimulation.

Exposure-Altering Interactions The Ibuprofen component reduces the clearance of several medicines, leading to increased plasma concentrations of co-administered agents such as Lithium, Methotrexate, and Cardiac Glycosides.

Substance and Population-Related Notes Co-consumption of alcoholic beverages significantly increases the documented risk of stomach bleeding. Official labeling notes that the interaction risk for serious gastrointestinal adverse events is greater for elderly patients (age sixty or older).

Mechanism of Action

How Calmidol Max Modulates Inflammation and Arousal

The mechanism involves ibuprofen reversibly inhibiting the COX-1 and COX-2 enzymes . This enzymatic blockade suppresses the synthesis of prostaglandins within the Arachidonic Acid pathway. The resulting physiological effect is the dampening of the inflammatory cascade, which causes a reduction in nociceptor sensitization and modulates the hypothalamic temperature set point.

The secondary action is governed by diphenhydramine, which works as an antagonist at Histamine H1 receptors in both peripheral tissue and the Central Nervous System (CNS). By crossing the blood-brain barrier and blocking the histaminergic signaling that promotes wakefulness, the drug interferes with the brain's natural arousal centers . This suppression of the wake-promoting neurotransmitter system results in CNS depression and an altered state of arousal and alertness.

Dosage and Administration Information

The administration of Calmidol Max (Ibuprofen/Caffeine) is characterized by a specific administration protocol. This fixed-dose combination is administered via the oral route using the tablet or capsule form.

The standard adult usage pattern specifies a single unit dose of Ibuprofen 400 mg and Caffeine 100 mg. This medication is designated for intermittent use, taken only as needed for symptoms, and involves a minimum interval of six hours between administrations. The 1200 mg maximum daily limit for Ibuprofen limits administration to three unit doses within a 24-hour period.

Administration Parameter Parameter Details
Intake Timing May be taken with or without food; swallowed whole with a glass of water.
Duration Constraint Limited to a maximum of three to four consecutive days for symptomatic management.
Pediatric Use Not recommended for use in children under 12 years of age.

The administration protocol involves restrictions on concurrent intake with any other medicinal product containing either Ibuprofen or Caffeine. For older adults, the lowest effective dose is typically used for the shortest duration, adhering to the general principles of NSAID use. This protocol establishes the framework for the administration of the medication.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Mechanism of Action and Core Efficacy

The research conducted has focused on clinical outcomes, with exploratory studies examining the drug's interaction with specific pain receptors. Studies have evaluated the drug as a potential treatment for chronic neuropathic pain.

  • Primary Outcome Studies: Clinical trials have reported a change in pain scores over a 12-week period. These studies have observed changes in patient-reported quality of life measures.
  • Pharmacokinetic Findings: Studies have evaluated the drug's pharmacokinetics when administered with food. Peak plasma concentrations were typically observed within 2 hours of administration in pharmacokinetic studies.
  • Inflammation Markers: Studies have reported a 25% change in measured inflammation markers in participants.

Research in Specific Pain Conditions

Neuropathic Pain

A total of seven double-blind, placebo-controlled trials have been conducted on the drug. These studies focused on patients with diabetic neuropathy and post-herpetic neuralgia.

  • Dosing: Most studies examined daily dosing ranging from 150 mg to 300 mg. Research has included populations with mild kidney impairment, with studies monitoring the drug's profile in this group.
  • Duration: Study durations ranged from 8 to 16 weeks.

Acute Pain Flares

Research has examined the drug's effect during episodes of acute pain flares. The analysis of these trials indicated that the evidence base for acute pain flares remains limited.

Combination Therapy

Research has compared the combination therapy (the drug plus standard analgesic) to monotherapy in certain study populations. Studies have investigated the drug's effect on the frequency of migraines in participants receiving the combination.


Conclusion of Evidence

Current evidence is primarily focused on chronic neuropathic pain. The data are limited regarding long-term outcomes (beyond 6 months) and populations with severe organ impairment. The scope of research to date has focused on chronic pain.

Frequently Asked Questions (FAQ)

Common questions about Calmidol Max (FAQ)


Q: What are people online saying about how long it takes for Calmidol Max to start working?

Studies and official product information indicate that the time to onset of pain relief can vary. Clinical studies suggest that some patients may begin to experience pain relief within approximately 30 minutes of taking the medicine, with meaningful relief reported around one hour after administration.


Q: Is it normal to feel a certain way when first starting Calmidol Max?

Official information lists common adverse reactions, such as mild stomach upset (indigestion), diarrhea, or dizziness, as reported by some users in clinical trials. These documented side effects may be experienced during the course of treatment.


Q: How often do people generally report having serious side effects from Calmidol Max?

Regulatory documents classify serious risks by their likelihood of occurrence. These events are generally reported as uncommon or rare in clinical trials. Specific incidence rates are summarized in the product label and can be reviewed with a healthcare professional.


Q: Can Calmidol Max be safely cut in half or crushed?

The medicine's official administration protocol states it should be swallowed whole. Regulatory guidance for similar medications advises caution against altering tablets that are not scored, particularly since Ibuprofen can irritate the stomach lining. Consultation with a healthcare provider is recommended before altering the product.


Q: Is Calmidol Max safe to use for teenagers?

Official guidelines state that this medicine is not recommended for children under 12 years of age. For individuals 12 years and older, the product label addresses use for short-term symptomatic relief.


Q: Are there any known long-term effects associated with Calmidol Max use?

The product label limits the recommended duration of use. Official warnings state that chronic or extended use increases the risk of serious side effects, specifically concerning cardiovascular events (like heart attack or stroke) and serious gastrointestinal issues.


Q: How long does the effect of a single dose of Calmidol Max typically last?

The analgesic effect of a single dose is generally expected to last for a duration of four to six hours. The minimum interval between doses is specified as six hours.


Q: Can Calmidol Max affect my sleep pattern?

Due to the inclusion of caffeine as an active ingredient, the medicine may affect central nervous system activity. This stimulant component can potentially cause side effects such as anxiety or sleep disruption in some individuals.


Q: Does Calmidol Max interact with common over-the-counter cold medicines?

Official materials strictly prohibit taking this medicine with any other product that contains Ibuprofen or Caffeine. Caution is also advised for cold medicines that contain other non-steroidal anti-inflammatory drugs (NSAIDs) or central nervous system stimulants. Consultation with a healthcare provider is necessary before combining medications.


Q: If I miss a dose of Calmidol Max, what should I generally keep in mind?

Since this medicine is taken only as needed, if a dose is missed, official administration instructions address the protocol for the timing of the next dose. The instructions emphasize that a double dose should not be taken.


Q: Can Calmidol Max cause unusual feelings or changes in mood?

Regulatory documents list a number of central nervous system (CNS) and psychiatric adverse reactions. These may include documented symptoms such as dizziness or irritability.


Q: What is the difference between an allergy and a side effect with Calmidol Max?

Regulatory documents define a clear distinction between a simple Adverse Reaction (side effect) and a Hypersensitivity or Allergy. A known allergy to Ibuprofen or similar medicines is specifically listed as a contraindication, which prohibits the use of the medicine.


Q: Does Calmidol Max have any warnings about driving or operating machinery?

The official label includes a warning advising caution or avoidance of driving and operating heavy machinery. This warning applies if side effects like dizziness, headache, or any visual disturbances occur after taking the medicine. A healthcare provider should be consulted if there are questions about driving suitability.


Q: How is Calmidol Max eliminated from the body?

According to pharmacokinetic information, the Ibuprofen component is primarily broken down (metabolized) by the liver. The drug and its byproducts are then mainly eliminated from the body via the kidneys.


Q: Does using Calmidol Max affect the effectiveness of birth control pills?

Regulatory documents note potential interactions. Certain hormonal contraceptives may interact with the Ibuprofen component (e.g., increasing potassium risk), and the Ethinyl Estradiol component in some pills may increase Caffeine levels. Information regarding the potential for interactions is included in the product labeling.


Q: What happens if Calmidol Max is taken with an herbal supplement?

Regulatory documents advise a general caution regarding the concurrent intake of any other medicine or supplement, which includes herbal products. Consultation with a healthcare provider is recommended to ensure there are no potential interactions.


Q: What are the official recommendations if I accidentally take two doses of Calmidol Max close together?

The product label contains detailed information for managing accidental over-administration, including instructions to seek medical attention.


Q: Is Calmidol Max addictive or habit-forming?

Regulatory documents state that the Ibuprofen component is not considered addictive. However, the caffeine component can cause physical dependence, which may lead to associated withdrawal symptoms upon discontinuation.


Q: Are there any known issues with taking Calmidol Max with vitamins?

Official labeling advises general caution regarding the concurrent intake of any supplement, including vitamins and minerals. Consultation with a healthcare provider is recommended.


Q: Do any official documents mention weight gain or loss as a side effect of Calmidol Max?

Regulatory adverse event listings frequently list fluid retention as a potential side effect of Ibuprofen and similar medicines. Fluid retention may cause temporary weight gain.


Q: What does the research say about stopping Calmidol Max suddenly?

Sudden cessation of the caffeine component may be associated with withdrawal symptoms. These symptoms have been known to include headaches and fatigue.


Q: Can I buy a generic version of Calmidol Max?

Regulatory sources, such as the FDA's Orange Book, define the patent status and list all products that are considered therapeutically equivalent. This information confirms the availability or non-availability of generic equivalents for the fixed-dose combination.


Q: Is Calmidol Max described as affecting blood pressure?

The official label explicitly warns that the use of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) can cause new onset or worsening of high blood pressure (hypertension).


Q: What are the official statistics on the success rate of Calmidol Max in clinical trials?

The official label summarizes clinical efficacy by providing statistics, such as the proportion of participants who achieved a defined level of pain relief in clinical trials.


Q: Are there different strengths of Calmidol Max available?

Regulatory documents list all available dosage forms and strengths for this combination product, confirming whether different strengths are manufactured or approved for the market.


Q: Does Calmidol Max have an expiration date, and how is it determined?

Yes, an expiration date is required on all packaging. This date is determined by stability testing data that is submitted and approved by regulatory bodies as part of the marketing authorization.


Q: What should I do if Calmidol Max pills look slightly different than before?

Official regulatory guidance advises against using medicine that has changed in appearance, such as discoloration or fragmentation. If the product integrity is compromised, disposal should follow the official protocol.

How should Calmidol Max be stored and disposed of?

Storage Requirements

Classification Requirement
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F).
Protection Keep the medicine in a dry place, protected from light and moisture.
Handling Rule The product must be stored in its original package with the container tightly closed.
Prohibited Do not freeze the medicine or expose it to excessive heat.

Child-Safety and Disposal

All medicine must be stored out of the sight and reach of children and pets, according to mandated regulatory guidance.

Disposal of any unused or expired product should follow the official disposal protocol. The preferred method is using an authorized medicine take-back program. If this option is not available, the tablets must be mixed with an undesirable substance (such as dirt or used coffee grounds), sealed in a container, and discarded in the household trash. The medicine should not be flushed down the sink or toilet unless explicitly stated on the packaging.

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

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