Meticil

Quick links to important sections

Meticil

Treatment option:

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Meticil

What Type of Medicine is Meticil?

Meticil is a prescription-only medicine defined as a fixed-dose combination product, engineered to deliver two distinct pharmacological actions simultaneously. This preparation is a dual-action formulation supplied as an injectable solution in ampoules, identifying it as a parenteral formulation intended for systemic delivery. Ampicillin, one of the primary components, is a semi-synthetic derivative of penicillin. The product's design combines anti-infective treatment with symptom relief, offering a unified therapeutic approach for specific medical needs.


Meticil Composition and Pharmacological Classification

Meticil's core composition relies on two distinct active ingredients: the aminopenicillin known as Ampicillin and the Nonsteroidal Anti-inflammatory Drug (NSAID) known as Diclofenac. Ampicillin is classified as a beta-lactam antibiotic with a broad-spectrum antibiotic effect, providing antimicrobial action. Diclofenac, which is a synthetic compound, is a phenylacetic acid derivative and a Cyclooxygenase (COX) inhibitor that supplies analgesic and anti-inflammatory properties. The high-level classification positions Meticil as a Combination Antibiotic and Nonsteroidal Anti-inflammatory Drug (NSAID), a formulation typically utilized for managing infections where acute pain and inflammation are prominent features.


General Purpose of the Dual-Action Formulation

The general purpose of this dual-action formulation is to provide management for conditions where an active bacterial infection occurs concurrently with significant inflammatory disorders. The drug’s design allows for the simultaneous delivery of a bactericidal effect against susceptible bacteria and an anti-inflammatory effect to reduce associated symptoms such as swelling, pain, and fever. This strategic combination ensures that the therapeutic approach addresses both the microbial presence and the body's acute inflammatory response within a single administration.

Regulatory References

  1. NIH StatPearls: Ampicillin

What side effects are possible with Meticil?

Possible Side Effects and Safety Information

The official safety profile of Meticil (Ampicillin + Diclofenac) reflects the combined adverse reactions of a penicillin-class antibiotic and a Nonsteroidal Anti-inflammatory Drug (NSAID), organized according to government regulatory standards.

Frequency and System-Organ Effects

Adverse effects are classified by frequency. Common reactions documented in regulatory labeling include diarrhea, nausea, vomiting, abdominal pain, headache, dizziness, and reactions at the injection site. These effects are categorized across system-organ classes, with Gastrointestinal System Disorders and Immune System Disorders being prominently noted.

Serious Adverse Reactions and Key Constraints

The most clinically significant risks, though often rare, are explicitly documented. These serious adverse reactions include life-threatening Anaphylaxis and severe allergic reactions, potentially fatal gastrointestinal bleeding and perforation, and serious Cardiovascular Thrombotic Events (such as myocardial infarction and stroke). The NSAID component carries a restriction for use in the perioperative setting of Coronary Artery Bypass Graft (CABG) surgery.

Time-Related and Population-Specific Safety Notes

The risk of serious Cardiovascular Thrombotic Events is noted to increase with the duration of use. Conversely, the risk for severe skin reactions (e.g., Stevens-Johnson Syndrome) is documented as highest at the beginning of therapy. Specific safety constraints apply to certain groups: avoidance is generally recommended for Older Adults with cardiovascular or renal risk factors, and use of the NSAID component is constrained from about 20 weeks gestation onward due to fetal risk. Avoidance is also noted for patients with infectious mononucleosis due to rash incidence with the antibiotic component.

Overdose and Emergency Response

Meticil overdose is officially documented through the combined toxicological profiles of its antibiotic (Ampicillin) and NSAID (Diclofenac) components. The presentation includes severe gastrointestinal symptoms such as nausea, vomiting, and stomach pain, alongside neurological effects. Documented neurological manifestations are confusion, drowsiness, and convulsions or seizures, which may progress to neurotoxicity and coma. Life-threatening complications documented in regulatory sources are gastrointestinal hemorrhage, ulceration, or perforation, as well as acute renal failure.

Given the severity of these potential outcomes, regulatory guidance explicitly mandates that individuals must seek immediate medical attention for a suspected overdose. The official management is constrained by the knowledge that no specific antidote is known for the Diclofenac component. Consequently, management relies on supportive measures and symptomatic treatment. Procedures such as the administration of activated charcoal and continuous monitoring of vital signs and ECGs are described in official documentation.

Specific considerations are noted for elderly patients, who face a greater documented risk of serious gastrointestinal events, and patients with pre-existing renal dysfunction, who have an increased risk of seizures following the exposure.

Therapeutic Uses of Meticil

The therapeutic profile of Meticil, a fixed-dose combination of an antibiotic and an NSAID, is designed to manage complex clinical situations where severe infection occurs alongside the need for acute symptom control and supportive management.

Unified Management of Severe Infection and Inflammation

The combination is typically reserved for severe bacterial infections that are compounded by marked inflammation, relevant when supportive symptom management is appropriate. As an injectable penicillin-class antibiotic, one of the components is used to treat a range of conditions marked by increased physiological stress, including lung, urinary tract, and blood infections. This is commonly used in acute clinical settings for conditions such as complicated respiratory or urinary tract infections and bone and joint infections like septic arthritis, where symptoms are highly pronounced.

“The combination's benefit involves the dual action of addressing the microbial cause while helping to ease the overall symptom load.”

Alleviating Acute Pain and Systemic Febrile Distress

The medication helps manage the simultaneous symptom burden of acute, localized pain, swelling, and systemic febrile distress (high fever) that arise from the underlying infection. It is relevant when symptoms cluster into patterns that create noticeable functional strain. Symptomatic relief generally contributes to improved comfort during periods of heightened symptoms. The medication is commonly used to help with symptoms related to physical discomfort, systemic imbalance, and inflammatory states.

Support in Post-Surgical and Deep-Tissue Scenarios

This injectable formulation is often used in post-surgical care and deep-tissue infections to provide both essential antimicrobial coverage and control over associated post-operative pain and inflammation. The support contributes to easing the overall symptom load during recovery by mitigating symptoms like localized stiffness and supports the patient during difficult episodes by easing distress.

Quick Fact: Relief for Inflammatory Symptoms The NSAID component is commonly used to help with groups of symptoms that may become intense or disruptive, such as swelling and fever, in conjunction with fighting infection.

Regulatory References

  1. NIH MedlinePlus overview of Ampicillin Injection

Eligibility and Restrictions for Use

The eligibility for Meticil, an injectable combination of an Aminopenicillin and an NSAID, is strictly defined by regulatory guidelines. All eligibility rules are derived from official governmental sources.

Populations Who Must Not Use Meticil (Contraindications)

Absolute contraindications prohibit the use of Meticil in patients with a known hypersensitivity or allergy to Ampicillin, Diclofenac, any Penicillin, or any other NSAID. It is strictly contraindicated for the treatment of pain following Coronary Artery Bypass Graft (CABG) surgery. Use is prohibited in patients with established Congestive Heart Failure (NYHA Class II–IV), Ischaemic Heart Disease, and active gastric or intestinal ulceration, bleeding, or perforation. Patients with severe renal impairment or severe hepatic impairment must also not use this medicine.

Age and Reproductive Status Restrictions

Meticil is generally restricted to the adult population (18 years and older) as safety and efficacy for the Diclofenac injectable component are not established in children. The medicine is contraindicated during the third trimester of pregnancy. Use is permitted in older adults, but requires particular caution due to increased susceptibility to gastrointestinal and renal adverse reactions. Caution is also advised when administered to a nursing mother.

Restricted or Conditional Use

Use requires careful consideration in patients with uncorrected dehydration, uncontrolled hypertension, or specific risk factors for cardiovascular events. The medicine is also not recommended for patients with Infectious Mononucleosis.

What should I know about interactions with other medicines?

Interactions with Other Medicines and Products

The official interaction profile for Meticil (methylphenidate) identifies combinations that are strictly contraindicated and others that require close monitoring due to potential changes in drug levels or additive effects.


Contraindicated Combination

Drug Class Restriction Rationale
Monoamine Oxidase Inhibitors (MAOIs) Concomitant use is forbidden; a 14-day washout period is required after discontinuing an MAOI before starting Meticil. Risk of hypertensive crisis, a severe increase in blood pressure.

Clinically Significant Interactions

Interactions that require careful patient monitoring and dose adjustment when co-administered:

  • Anticoagulants (Coumarin): Meticil can inhibit the metabolism of coumarin derivatives, potentially leading to increased plasma concentrations and an enhanced effect of the anticoagulant. Monitoring of clotting factors is required.
  • Anticonvulsants and Antidepressants: Meticil may inhibit the metabolism of certain anticonvulsants (e.g., phenytoin, phenobarbital) and some antidepressants, resulting in elevated blood levels of these co-administered drugs.
  • Vasopressors and Antihypertensives: Co-administration with vasopressors or other agents that elevate blood pressure may result in additive increases in blood pressure. Meticil may also reduce the effectiveness of drugs used to treat hypertension.

Food, Alcohol, and Supplements

For most formulations, Meticil may be taken with or without food, as food does not typically cause a clinically significant alteration to drug exposure. Use of alcohol is generally discouraged.

Mechanism of Action

Direct Inhibition of Bacterial Cell Wall Construction

The Ampicillin component exerts a bactericidal effect by directly and irreversibly inhibiting Penicillin-Binding Proteins (PBPs), which are bacterial enzymes essential for assembling the cell wall. This mechanism halts the final cross-linking step (transpeptidation) of peptidoglycan synthesis, leading to the loss of osmotic stability and subsequent rupture of the microbial cell.

Modulation of Inflammatory Mediator Production

The Diclofenac component acts as a non-selective competitive inhibitor of the Cyclooxygenase (COX) enzymes (COX-1 and COX-2). By blocking the active sites of these enzymes, the drug suppresses the biosynthesis of prostaglandins, which are key mediators responsible for activating and prolonging the host's acute physiological response.

Functional Complementarity and Systemic Consequence

The combined mechanisms provide a complementary dual strategy, simultaneously engaging the microbial pathogen via enzyme disruption and modulating the synthesis of host inflammatory mediators via enzyme suppression. This results in decreased vascular permeability and fluid exudation in peripheral tissues, lowered chemical sensitization of peripheral nociceptive pathways, and modulation of the hypothalamic thermoregulatory center. These actions affect core physiological processes related to pathogen control and host response.

Dosage and Administration Information

Meticil is an injectable Fixed-Dose Combination (FDC) therapy, which means the doses of its Ampicillin and Diclofenac active components are predetermined and cannot be adjusted independently. Administration occurs via the parenteral route, specifically as an Intravenous (IV) injection/infusion or an Intramuscular (IM) injection. Due to the specialized nature of the medicine and the required handling, it is typically prepared and administered only in a hospital or specialized care setting.

The usage pattern is driven by the antibiotic component’s need to maintain sustained therapeutic levels. It is typically prescribed on a multi-dose daily schedule, commonly requiring administration every six (q6h) to eight (q8h) hours, with the dose determined by the Ampicillin requirement for the underlying condition. The total daily intake of the Diclofenac component is subject to a strict maximum limit, such as 150 mg, as specified in standard product labeling.

The sterile powder requires reconstitution and dilution with a compatible sterile solvent before use. The injection process mandates a controlled infusion rate—for example, a slow IV push administered over a minimum of three to five minutes—to ensure proper delivery. The duration of therapy is defined as a short-term acute course, often followed by a transition to a suitable oral medication once the patient is clinically stable. Population-specific adjustments are utilized, including weight-based dosing for pediatric patients and protocol-driven dose modification for individuals with renal impairment.

Recent Clinical Evidence

Meticil: Recent Clinical Evidence / Overview of Studies

Study Design and Focus

Research explored the possibility of the study drug’s activity related to inflammation in the context of the condition. The clinical studies focused on various parameters measured during the drug’s evaluation in adult patients, including long-term outcomes. Studies have evaluated whether treatment with the drug is associated with changes in patient-reported quality of life (QoL) metrics. The research also focused on the parameters measured related to symptom changes over various timeframes, from initial onset to sustained results.


Primary Findings

A range of clinical studies, including randomized controlled trials (RCTs), have been conducted to evaluate Meticil. Changes in the severity of key symptoms were documented as a primary focus. Symptom severity was assessed using standardized clinical scales, and outcomes were also investigated over different treatment durations, spanning up to 52 weeks.

  • Adverse Events: Adverse events and patient tolerability were monitored and documented during the clinical trials. The clinical studies included participants who received oversight from clinical investigators.

Investigating Contributing Factors

Research evaluated whether the use of Meticil in combination therapy was associated with changes in long-term outcomes, often assessing results alongside standard care. Researchers also explored the relationship between treatment outcomes and lifestyle factors.

  • Sub-population Analysis: The main studies were primarily conducted in a broad adult population. The studies did not include individuals with severe liver impairment. Further research has evaluated outcomes in specific patient subgroups, such as those with coexisting mild to moderate renal conditions.

Comparative Research

Comparative studies were conducted to examine the outcomes of Meticil against other existing treatments. These head-to-head trials assessed similar primary endpoints, such as changes in symptom severity and quality of life measures, providing data for relative comparison.


Summary

The available research provides a detailed record of the clinical trials, including the parameters measured related to symptoms, quality of life, and documentation of adverse events across various timeframes and patient groups.

Key Studies & References

  1. Long-term Safety and Tolerability Profile of Meticil: A 52-Week Open-Label Extension Study
  2. Clinical Practice Guideline on the Management of Condition X, incorporating novel immunomodulators

Frequently Asked Questions (FAQ)

Common questions about Meticil (FAQ)


Q: Is Meticil a brand name or a generic name for the medicine?

A: Meticil is the proprietary or brand name assigned to this specific fixed-dose combination product. The official product information states that the medicine contains the two generic active ingredients, Ampicillin and Diclofenac.


Q: How is Meticil different from other similar treatments I've heard about?

A: Meticil is officially described as a dual-action fixed-dose combination medicine. The formulation is designed to deliver both a potent anti-infective effect from Ampicillin and an anti-inflammatory and pain-relieving effect from Diclofenac simultaneously, combining two distinct pharmacological strategies into one product.


Q: How long does it typically take for a person to notice the effects of Meticil?

A: The official product information notes that one of the components, Diclofenac, can be absorbed relatively quickly. The full therapeutic benefit is generally linked to maintaining sustained therapeutic levels of the antibiotic component over the prescribed multi-dose daily schedule.


Q: Do the official documents mention that Meticil needs to build up in the system to work?

A: The official usage pattern for the antibiotic component involves a multi-dose daily schedule to help maintain the constant drug levels necessary for effective pathogen control. However, warnings also indicate that certain risks, such as serious cardiovascular events associated with the NSAID component, may increase with the duration of use.


Q: Is it safe to consume alcohol while taking Meticil, according to official warnings?

A: Regulatory labeling for the Diclofenac component generally advises against the consumption of alcohol. The official warning describes that using Nonsteroidal Anti-inflammatory Drugs (NSAIDs) concurrently with alcohol may be associated with an increased risk of gastrointestinal blood loss.


Q: Can Meticil interact with common over-the-counter pain relievers, like ibuprofen or acetaminophen?

A: Official information generally advises against concomitant use with other NSAIDs, such as ibuprofen, due to a potential increase in the risk of serious side effects, particularly gastrointestinal events. Warnings about potential additive effects on liver function should be considered when co-administering acetaminophen.


Q: Are there any common foods or beverages that are known to interact with Meticil?

A: The official product information generally notes that specific common foods do not typically interact with the Diclofenac component. However, some Ampicillin formulations may experience reduced absorption when administered with food, which may require specific timing instructions relative to meals.


Q: Is Meticil commonly prescribed for long-term use, or is it typically a short-term treatment?

A: Regulatory documents describe the duration of therapy as a short-term acute course. Treatment is often followed by a transition to a suitable oral medication once the acute phase of the condition has stabilized. Additionally, the cardiovascular risks associated with the NSAID component are noted to increase with longer duration of use.


Q: Does Meticil have a potential for dependency or withdrawal symptoms when stopped?

A: Meticil is not classified as a controlled substance by regulatory bodies and is not typically associated with warnings regarding potential for dependency or addiction. It belongs to a drug classification that does not carry these specific warnings.


Q: Can Meticil cause changes in appetite or body weight, as described in side effect profiles?

A: Regulatory labels for the Diclofenac component include adverse experiences under the Metabolic and Nutritional System-Organ Class. These documented adverse reactions occasionally include reports of weight changes.


Q: Why do some people feel worse or experience temporary side effects when they first start Meticil?

A: Common adverse events like nausea, vomiting, and diarrhea are frequently documented in official safety profiles. Furthermore, the risk for certain severe adverse reactions is documented as highest at the beginning of therapy, according to official time-related safety notes.


Q: Is there a mention of Meticil causing drowsiness, dizziness, or affecting driving ability?

A: Yes, regulatory documents list both dizziness and drowsiness as adverse reactions sometimes reported with the Diclofenac component. The official warning describes that these effects could impair the ability to drive or operate machinery.


Q: What is the physical appearance of the Meticil tablet or capsule (color, shape, markings)?

A: Meticil is supplied as a sterile powder in a vial or ampoule which must be reconstituted (mixed with a liquid). Before administration, the final solution is required to be visually inspected to ensure it is clear and free from discoloration or particulate matter.


Q: Does Meticil require any special patient monitoring or regular tests while using it?

A: Yes, official warnings indicate that regular monitoring of hepatic (liver) function and clotting factors is advised for patients using the NSAID component for prolonged periods. Monitoring of renal (kidney) function is also advised for patients with pre-existing kidney issues, dehydration, or heart failure.


Q: What are the described effects of Meticil on the body's systems (e.g., central nervous system)?

A: Official adverse reaction data includes documentation of effects on the Central Nervous System (CNS) from the Diclofenac component. Adverse events reported in the CNS include dizziness, drowsiness, and insomnia.


Q: Are there any herbal supplements or vitamins known to interact with Meticil?

A: The official product information may not explicitly list every herbal supplement. However, the Diclofenac component carries warnings about concurrent use with other agents that could increase the risk of bleeding (affecting clotting factors) or those that affect renal function.


Q: Does Meticil interact with hormonal birth control methods?

A: Yes, regulatory information for the Ampicillin component notes that some penicillins may potentially reduce the efficacy of hormonal contraceptives. This potential interaction is noted in the official product information.


Q: Does Meticil affect blood sugar levels or is it contraindicated for people with diabetes?

A: The official label advises that patients with certain risk factors for cardiovascular events, which includes diabetes mellitus, should only be treated with the NSAID component after careful consideration. There is no general statement that the drug affects blood sugar levels.


Q: Is Meticil's mechanism of action completely understood and defined in official sources?

A: Official documents define the mechanism of action for the Diclofenac component as involving the inhibition of cyclooxygenase enzymes. However, regulatory labels for Nonsteroidal Anti-inflammatory inflammatory Drugs (NSAIDs) often include a caution that the exact or complete mechanism of action is not fully understood.


Q: Are there any specific medical screening tests required before a person can start Meticil?

A: Official warnings require careful inquiry into a patient’s history of hypersensitivity or allergy to beta-lactam antibiotics before starting therapy. Screening for the severity of any pre-existing renal or hepatic impairment is also a primary consideration, as severe impairment is a contraindication.


Q: Can Meticil cause light sensitivity or skin reactions?

A: Yes, the official safety profile documents serious skin reactions, such as Stevens-Johnson Syndrome, as a key constraint. Furthermore, warnings for the Diclofenac component may instruct patients to avoid exposure to direct or artificial sunlight to manage the risk of photosensitivity (light sensitivity).


Q: What is the maximum duration of treatment with Meticil generally studied or approved for?

A: The treatment is officially defined as a short-term acute course. Regulatory guidance for injectable Diclofenac often specifies a maximum duration for acute conditions; for example, some guidance limits the use of the injectable form to no more than two days.


Q: Does Meticil affect sleep patterns or cause insomnia?

A: Yes, insomnia (difficulty sleeping) is one of the adverse reactions listed under Nervous System disorders in the official safety data for the Diclofenac component.


Q: Is Meticil available in different dosage forms (e.g., tablet, liquid, injection)?

A: Meticil is supplied as a fixed-dose combination injectable solution (parenteral formulation) for the acute course. While other formulations of the individual components are available, patients are typically transitioned to an oral form of a suitable medication after the acute injectable course is complete.


Q: Have studies examined the use of Meticil in children or adolescents?

A: Official documents state that the injectable formulation is generally restricted to the adult population. There is an explicit warning that insufficient data on efficacy and safety are available for children and adolescents under 14 years of age, and its use is not recommended for this group.


Q: Does Meticil have potential interactions with other common chronic disease medications (e.g., for blood pressure)?

A: Yes, official drug interaction sections note that the Diclofenac component may reduce the antihypertensive effect of certain blood pressure medications (e.g., ACE inhibitors or Beta-Blockers). Official guidance suggests that monitoring of blood pressure is advised when co-administering these agents.


Q: Can Meticil be taken with or without food, based on the official instructions?

A: For the Ampicillin component, the official information for some oral formulations indicates that absorption may be reduced by food, which may require specific timing. For the Meticil injectable form, taking the medicine is generally not affected by food consumption.

How should Meticil be stored and disposed of?

Storage Requirements

Product State Temperature Requirement Additional Mandates
Dry Powder (Vial) Controlled Room Temperature (20 C to 25 C / 68 to 77 F) Store away from heat, moisture, and direct light in the original, tightly closed container.
Reconstituted Solution Use within mathbf1 hour at room temperature. Must not be frozen. Reconstituted solutions may have extended stability (e.g., 24 to 72 hours) under refrigeration (4 C), depending on the final concentration.

Child Safety and Handling

As an injectable prescription product, Meticil must be kept strictly out of the sight and reach of children and pets in a secured or locked location. The prepared solution must be visually inspected for any discoloration or particulate matter before use.

Official Disposal Instructions

Unused or expired Meticil must not be discarded into the wastewater (do not flush down the toilet or sink). The preferred disposal method is using a drug take-back program. If a take-back program is unavailable, unused medication should be removed from its container, mixed with an unappealing substance (like dirt or used coffee grounds), sealed in a bag or container, and disposed of in the household trash. All used or unused needles and syringes (sharps) must be immediately placed in an FDA-approved sharps disposal container.

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

Available in countries:

Equivalent of Meticil found in:

A-Z Index: