Deripil

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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 Deripil

What is Deripil?

Deripil is a topical dermatological treatment formulated to address specific skin conditions, primarily inflammatory forms of acne. It belongs to the class of medications known as topical antibiotics.

Composition and Mechanism

The active ingredient in Deripil is erythromycin. When applied to the skin, it works by inhibiting the synthesis of essential proteins that bacteria require to grow and multiply. By reducing the population of bacteria on the skin's surface and within the follicles, the medication helps to decrease the inflammation and redness associated with acne breakouts.

Clinical Application

Deripil is used for the management of acne vulgaris. It is specifically designed to target the biological factors that contribute to the development of papules and pustules. Unlike systemic treatments, this topical formulation acts locally on the areas of application to control bacterial colonization.

Physical Characteristics

Deripil is typically available as a solution or gel. These formulations are designed to be lightweight and easily absorbed by the skin, allowing the active medication to reach the affected pores without leaving a heavy or greasy residue.

Regulatory References

  1. Macrolides - StatPearls - NCBI Bookshelf - NIH

What side effects are possible with Deripil?

Possible Side Effects and Safety Information

The officially documented safety profile of Deripil (Erythromycin) is structured around the frequency and system-organ class affected, as defined by regulatory documents. The most frequently reported adverse effects are categorized as Very Common and involve the Gastrointestinal Disorders system, including nausea, vomiting, abdominal pain, and diarrhea.


Safety concerns are explicitly listed across several other System-Organ Classes. Rare but clinically significant adverse reactions involve Cardiac Disorders, specifically QT interval prolongation and the potential for Torsades de Pointes, a serious ventricular arrhythmia. Effects on the Hepatobiliary Disorders system include the risk of cholestatic hepatitis, which has been reported to occur more frequently after 10 to 14 days of treatment. Auditory effects, such as reversible or irreversible hearing loss, are also documented.


Specific Safety Constraints are defined in official labeling. The medicine is contraindicated in individuals with certain pre-existing cardiac conditions, such as congenital or acquired prolonged QT interval, and in those with a history of cholestatic jaundice or hepatic dysfunction associated with prior erythromycin use. Population-specific considerations include an increased risk of Infantile Hypertrophic Pyloric Stenosis (IHPS) in infants, particularly when the drug is administered within the first two weeks of life, according to regulatory sources. Severe but rare adverse effects also include Clostridium difficile-associated diarrhea (CDAD) and serious allergic reactions.

Overdose and Emergency Response

Overdose Map: Overdose and when to seek help — official regulatory information for Deripil

Overdose Scope Official Regulatory Description
Documented overdose presentations Severe gastrointestinal distress, including intense nausea, vomiting, and abdominal pain, is documented. Ototoxicity, such as reversible hearing loss or tinnitus, is also officially listed.
Physiological systems affected (as stated in label) The cardiovascular system (risk of arrhythmias), auditory system, and gastrointestinal tract are the primary systems cited in regulatory labeling.
Dose-related or exposure-related factors (if applicable) Overdose risk is associated with ingestion of excessive doses; specific threshold levels are not quantified in the official labeling.
Population-specific overdose notes (if applicable) Overdose carries a risk of exacerbation of pre-existing hepatic impairment.
Emergency-response statements (as written in official documents) Patients must seek immediate medical attention or contact emergency services when overdose is suspected or confirmed.
When immediate medical help is required (label-derived phrasing only) Urgent medical help is required in all cases of suspected overdose due to the potential for life-threatening cardiac events.
Overdose classifications (high-level) Official Regulatory Description
Severity classification (as defined in official documents) Overdose is classified as potentially severe or life-threatening due to the documented risk of serious ventricular arrhythmias.
Regulatory basis (EMA / FDA / etc.) Information derived from government-authorized documents including the EMA Summary of Product Characteristics and FDA Prescribing Information.
Overdose-context constraints (as defined in official documents) No specific antidote is known; management is limited to symptomatic and supportive treatment.

Resulting Overdose Structure

Official overdose statements:

  • Manifestations: Overdose presents with severe gastrointestinal signs and possible ototoxicity such as reversible hearing loss.
  • Severe Outcomes: Documented severe manifestations include prolongation of the QT interval and Torsades de Pointes, which are life-threatening cardiac events.
  • Management & Monitoring: Management involves symptomatic and supportive treatment; continuous ECG monitoring is required to assess cardiac effects.
  • Emergency Action: In all suspected or confirmed cases of overdose, patients must seek immediate medical attention.

Connection to the overall overdose profile (2–4 sentences): Regulatory documents define the Erythromycin overdose profile by identifying severe gastrointestinal distress and potentially life-threatening cardiotoxicity as the main risks. This documented risk of cardiac arrhythmias is the basis for the regulator-mandated instruction that immediate medical help must be sought. Management is strictly supportive, as the labeling explicitly states that no specific antidote is known.

Therapeutic Uses of Deripil

Deripil (Erythromycin) is commonly used across conditions presenting with systemic or localized discomfort, playing a role in two distinct therapeutic domains: antibacterial action and pro-motility support.

It is applied across domains where additional symptomatic support is needed for infections affecting the respiratory tract, skin and soft tissues, and the urogenital system. The medication is considered relevant when symptomatic management is appropriate for patients with a penicillin allergy. It is also applied in scenarios where additional management of discomfort is required for symptoms related to delayed gastric emptying.

“This medication is considered relevant when supportive symptom management is appropriate for patients facing acute symptomatic episodes.”

These applications provide supportive relief when symptoms interfere with routine activities, contributing to improved comfort during symptomatic periods, particularly those involving nausea, vomiting, or inflammatory skin manifestations.


Quick Fact: Relief for Gastrointestinal Distress The medication may assist with maintaining functional stability, which helps address symptom clusters that interfere with daily functioning, such as chronic nausea and early fullness associated with Gastroparesis.


Eligibility and Restrictions for Use

Deripil (Erythromycin) is subject to strict eligibility rules documented in official government regulatory sources, which determine the approved patient population and conditions for use.

Populations Who Must Not Use Deripil (Contraindications)

Use is formally contraindicated and prohibited for patients with:

  • Known Hypersensitivity: Allergy to erythromycin, other macrolide antibiotics, or any component of the formulation.
  • Concomitant Use with Specific Drugs: Patients taking medications such as Pimozide, Cisapride, Ergotamine, Dihydroergotamine, and certain statins (e.g., Simvastatin, Lovastatin) due to the risk of severe cardiovascular and other adverse events.
  • Cardiac Risks: Individuals with known QT prolongation or other clinically significant heart rhythm abnormalities.

Age and Condition-Based Restrictions

Population Group Regulatory Status and Restriction
Infants (< 2 months) Not recommended due to a rare, documented risk of Infantile Hypertrophic Pyloric Stenosis (IHPS).
Children (ge 2 months) & Adults Use is established and approved.
Hepatic Impairment Use requires caution and monitoring, as the drug is primarily eliminated by the liver.
Electrolyte Imbalance Use is not recommended if Hypokalemia (low potassium) or Hypomagnesemia (low magnesium) is uncorrected.
Pregnancy Use only if clearly needed; generally acceptable for specific infections when the benefit is confirmed.
Lactation (Breastfeeding) Generally considered compatible; the drug is excreted in human milk, and monitoring for infant gastrointestinal effects is advised.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents describe several documented interactions for Deripil, primarily concerning its impact on blood levels (exposure) and additive effects with co-administered substances.

Documented Pharmacokinetic Interactions

Co-administration with certain medicinal products can significantly alter the level of the active ingredient in the body, requiring careful management.

Interaction Type Interacting Medicines/Classes Effect on Deripil Level (Exposure)
Metabolism Inhibitors Cimetidine, Allopurinol, Macrolide antibiotics (e.g., Erythromycin, Clarithromycin) Increased level in the blood
Metabolism Inducers Phenytoin, Carbamazepine, Rifampin, Barbiturates Decreased level in the blood

Documented Pharmacodynamic Interactions

Other agents may increase specific physiological risks due to additive effects, as noted in official labeling:

  • Anesthetics: Use with Halothane may be associated with the occurrence of irregular heartbeats.
  • Electrolyte Modifiers: Concomitant use with Steroids and Diuretics may contribute to decreased potassium levels.
  • Beta-Blockers: Co-administration with Propranolol may lead to enhanced blood pressure-lowering effects.

Non-Drug Substance Constraints

Specific non-drug items are noted for avoidance due to their potential to influence the drug’s exposure or effects:

  • Dietary: The consumption of caffeine, chocolate, and related products should be avoided.
  • Alcohol: Consumption of alcoholic beverages is restricted during the use of this product.

Mechanism of Action

Blocking Bacterial Protein Synthesis (Bacteriostasis)

Deripil exerts its primary mechanism by acting as a reversible inhibitor that specifically targets the bacterial 50S ribosomal subunit, engaging with the 23S ribosomal RNA. This binding physically obstructs the ribosome's exit tunnel, preventing the elongation and transfer of necessary proteins. The resulting physiological effect is bacteriostasis, which is the state of suppressed bacterial proliferation and limited population growth.


Agonism of Gastrointestinal Motilin Receptors (Prokinetic Action)

The secondary mechanism involves the drug acting as an agonist of the Motilin Receptors found on the smooth muscle and nerves of the digestive tract. By mimicking the natural motilin hormone, the drug initiates an intracellular signaling cascade that elevates Ca^2+ levels, triggering smooth muscle contraction. This mechanism modulates the gastrointestinal motility pathway, influencing the physiological process of gastric emptying and intestinal propulsion.

Dosage and Administration Information

Deripil (clotrimazole) is an antifungal medication used topically to treat various dermal infections such as tinea pedis (athlete's foot), tinea cruris (jock itch), tinea corporis (ringworm), and cutaneous candidiasis.

General Application Instructions

  • Dosage: Apply a sufficient amount of the cream, solution, or lotion to gently massage into the affected skin and the immediately surrounding area twice a day, typically in the morning and evening.
  • Preparation: Before application, ensure the affected skin area is thoroughly cleansed and dried.
  • Duration of Treatment: It is crucial to use the medication for the full prescribed time, even if symptoms appear to improve within a few days. Stopping treatment too soon may lead to the return of the infection.

Specific Application Considerations

Infection Type Expected Duration of Use Key Instructions
Tinea Cruris (Jock Itch) 2 weeks Avoid wearing tight-fitting, synthetic underclothing.
Tinea Pedis (Athlete’s Foot) 4 weeks or longer Pay special attention to the spaces between the toes; change socks daily, and wear well-ventilated footwear.
Tinea Corporis or Cutaneous Candidiasis 2 to 4 weeks If no improvement is seen after 4 weeks, the diagnosis should be re-evaluated by a healthcare provider.

Important Precautions:

  1. External Use Only: This product is intended only for use on the skin. Avoid contact with the eyes. If contact occurs, rinse thoroughly with water.
  2. Occlusive Dressings: Do not cover the treated area with an airtight or waterproof bandage unless specifically directed by a healthcare professional, as this may increase the risk of skin irritation.
  3. Missed Dose: If a dose is missed, apply it as soon as you remember. If it is nearly time for the next scheduled dose, skip the missed one and continue with the regular schedule. Do not apply a double amount to make up for a missed dose.

Recent Clinical Evidence

Evidence for Pro-Motility Support in Gastrointestinal Dysmotility

Research has explored Deripil's potential use beyond its role as an antibiotic, studying its potential use in research exploring gastrointestinal movement, including its potential function as a pro-motility agent. Randomized Controlled Trials (RCTs) and systematic reviews were studies that observed this property. Researchers studied this in conditions associated with functional limitations, such as chronic gastroparesis (delayed stomach emptying) in adults, including those with diabetes. They also studied its use in acute settings, such as preparing patients for endoscopy during an upper gastrointestinal bleed.

Research monitored a physiological outcome, examining how the rate of gastric emptying was measured using specialized tests. Studies also examined patient-reported outcomes describing perceived discomfort, focusing on symptoms like nausea, vomiting, and early fullness. The studies reported measurements of changes in gastric emptying rates. However, research highlights that changes measured during the study period for patient symptoms were often mixed, indicating variability across the observed populations.


Evidence for Use in Treating Susceptible Bacterial Infections

Research has also explored Deripil’s application as an anti-infective agent against certain susceptible bacteria. Research has explored this use, drawing on historical Clinical Efficacy Studies and RCTs. These studies were applied in research contexts involving fluctuating or unstable symptoms caused by bacterial proliferation. Research examined outcomes related to systemic or functional imbalance, such as the eradication of the targeted organism and the resolution of key symptoms like fever.

Evidence for Respiratory and Systemic Infections

Deripil was studied for use in conditions characterized by fluctuating or episodic manifestations, such as infections of the respiratory tract, including certain forms of pneumonia and systemic infections caused by susceptible organisms. The studies monitored how symptoms evolved in the observed populations, and findings describe patterns related to changes in clinical and microbiological measures against the targeted bacteria. This research provides context regarding the medication's evaluation in patients with a documented penicillin allergy, for whom it may be considered in research as an alternative treatment option.


⏳ Long-Term Research and Durability of Response

Studies monitored responses over defined time intervals, but for most uses, follow-up durations were limited, mainly focusing on the short-term course of therapy. Research so far indicates that while the immediate impact during the treatment period was observed in the studies, long-term outcomes are not yet well characterized for most applications. There is limited information for how durable the physiological or symptomatic changes are once the course of treatment ends, particularly for chronic conditions like gastroparesis.

Key Studies & References

  1. Erythromycin and gastrointestinal dysmotility in preterm infants
  2. Prokinetic effect of erythromycin in the management of gastroparesis in critically ill patients
  3. Efficacy of intermediate-dose oral erythromycin on very low birth weight infants with feeding intolerance (RCT)

Frequently Asked Questions (FAQ)

Common questions about Deripil (FAQ)


Q: Does Deripil have any known interactions with common over-the-counter pain relievers?

A: Official regulatory documents describe interactions with several drug classes, particularly those affecting liver enzymes. However, standard product information does not typically list all common over-the-counter (OTC) pain relievers by their specific name. Because of this, official guidance indicates the importance of informing a healthcare provider about all medications used, including OTC products, before or during treatment with Deripil.


Q: Are there any listed interactions between Deripil and herbal supplements?

A: Standard regulatory product information often notes that there may be insufficient data to confirm that all complementary or herbal remedies are safe to take with Deripil. To maintain compliance with safety standards, official guidance highlights the importance of discussing all herbal and nutritional supplements with a healthcare provider to assess potential interaction risks.


Q: How long does Deripil typically stay in the body after the last dose?

A: The length of time Deripil stays in the body is determined by its half-life (the time it takes for half the drug to be removed). This data is detailed in the clinical pharmacology sections of official documents. The clinical effect may diminish before the active component is fully cleared from the body, which occurs over a predictable period defined by this metabolic process.


Q: Can I drive or operate machinery while using Deripil?

A: The documented safety profile for Deripil includes reports of potential effects on the central nervous system in some individuals. These rare adverse effects can include dizziness, somnolence (drowsiness), and confusion. Official information suggests that individuals should be aware of how they respond to the medicine before driving or operating complex machinery.


Q: Are there different forms (tablet, liquid, etc.) of Deripil available?

A: According to the official product label, the active ingredient in Deripil (Erythromycin) is available in several dosage forms. These typically include oral tablets, specialized delayed-release capsules, oral suspension (liquid form), and specific topical preparations for use on the skin.


Q: How does Deripil compare to the placebo in clinical trials?

A: Research reports, including Randomized Controlled Trials (RCTs), have been published comparing the active ingredient in Deripil to a placebo (an inactive substance). These studies are designed to assess the medicine's effects on functional changes, symptom improvement, and microbiological outcomes in the population studied. This research evidence is summarized in official medical literature and regulatory documents.


Q: Is Deripil available as a generic medicine?

A: Yes, the active ingredient in Deripil is Erythromycin, which is the generic name for the substance. Official regulatory documents confirm that generic versions of this medicine are widely available for prescription use, alongside branded versions.


Q: Can Deripil be split or crushed, according to official administration instructions?

A: Official administration instructions vary depending on the specific form of the medicine. While some tablets or capsules may be designed to be dispersed or opened, specialized forms like modified-release or enteric-coated versions must not be crushed, split, or chewed. This restriction is typically put in place to help ensure the medicine functions as described in the product information.


Q: Can Deripil be used for things other than the main listed use?

A: Official regulatory documents define a specific, approved set of conditions for which Deripil should be used (its indications). While researchers and clinical guidelines may explore or reference its use for other applications—such as its pro-motility property—these may not be included in the main approved list of uses described on the drug's label.


Q: Does Deripil interact with birth control pills?

A: Regulatory-based information notes that the medicine may alter the blood levels of certain oral contraceptives. Specifically, it has been described as potentially affecting oral contraceptives that contain ethinyl estradiol. This reported change in drug exposure may influence the effect of the birth control pill.


Q: Can Deripil be taken with a common multivitamin?

A: Information derived from official sources sometimes notes that the active ingredient may interfere with the body's absorption or activity of certain nutrients. This has been noted primarily for magnesium and some B vitamins, especially during long-term use. Official guidance emphasizes the importance of informing a healthcare provider about any multivitamins or supplements used.


Q: What is the general expectation for the duration of treatment with Deripil?

A: The length of time required for systemic (oral) treatment with Deripil varies significantly based on the infection. Official guidance states that treatment duration may range from a few days for minor issues up to 14 days or longer for more serious or specific types of infections. A healthcare provider determines the exact duration based on the condition being addressed.


Q: What is the source of the name 'Deripil'?

A: The active ingredient's name, Erythromycin, is rooted in its origin. It was initially isolated from the soil bacterium Saccharopolyspora erythraea. The name is reported to reflect this source organism and follows chemical naming conventions for antibiotics within the macrolide class.


Q: What are the signs that Deripil might not be working for someone?

A: Official medical guidelines recommend that if no expected clinical improvement or resolution of key symptoms is observed after a defined period of treatment, the situation should be re-evaluated. This type of observation suggests that the original diagnosis or the appropriateness of the treatment should be re-evaluated by a healthcare professional.


Q: Do studies suggest any differences in how Deripil affects men vs. women?

A: Yes, clinical reports and studies on the safety profile suggest differences concerning a rare but serious adverse cardiac event called QT prolongation (a change in the heart's electrical cycle). Research has indicated that women may be disproportionately represented in reports of this specific heart rhythm change when compared to men.


Q: Is Deripil recommended for use in combination with other prescription medicines for the same condition?

A: Official labeling confirms that the active ingredient in Deripil has been used in combination formulations with other active ingredients. For example, it is sometimes combined with another medicine (like sulfisoxazole) and approved for treating specific infections, particularly in the pediatric population.


Q: What is the difference in purpose between the main ingredient and any inactive ingredients in Deripil?

A: The main ingredient provides the therapeutic effect—it is the part of the medicine that treats the condition. In contrast, the inactive ingredients (like fillers, stabilizers, and flavors) are essential for the product's formulation, stability, taste, and how the medicine is delivered to the body, but they do not have a direct medicinal effect.


Q: How frequently does official guidance recommend checking in with a doctor while using Deripil?

A: Official medical guidelines advise that ongoing evaluation by a health professional is important during treatment. Guidelines for certain conditions suggest that a re-evaluation is appropriate if no improvement is observed after a specified number of days of treatment, indicating a need to check the course of therapy.


Q: What does research say about Deripil's effect on sleep patterns?

A: The official documentation of possible side effects includes rare effects on the nervous system. These documented adverse reactions include reports of somnolence (drowsiness), dizziness, and confusion, which may indirectly affect normal sleep patterns.

How should Deripil be stored and disposed of?

The storage and disposal requirements for Deripil are defined by government regulatory standards for the safe management of pesticide products. These instructions must be strictly followed as stated on the product label.

Official Storage Requirements

  • Mandatory Conditions: Store the product only in its original container, secured in an area inaccessible to children, and protected from temperature extremes, heat, and excessive moisture to maintain the product's composition and usefulness.
  • Prohibited Contexts: Do not contaminate water, food, or feed by storage or handling. The container must be kept tightly closed when not in use.

Official Disposal Requirements

  • Waste Disposal: Improper disposal of excess product or rinsate is a violation of Federal Law; contact local waste authorities or the EPA for guidance on approved disposal sites for wastes resulting from use.
  • Container Handling: Containers must be identified as non-refillable and must not be reused. Empty non-refillable containers must be triple-rinsed (or equivalent) to remove residues before disposal in a sanitary landfill, or before recycling by an approved pesticide container recycler.

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

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