Deracin

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Deracin

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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 Deracin

What is Deracin?

Deracin is a therapeutic agent belonging to the tetracycline class of antibiotics. It is primarily utilized in the management of inflammatory skin conditions, most notably moderate to severe acne vulgaris. Unlike broader-spectrum antibiotics used for systemic infections, Deracin is often selected for its specific ability to address both the presence of bacteria and the underlying inflammatory response in the skin.

Mechanism of Action

Deracin functions through a dual-action approach to treat skin pathology:

  • Antibacterial Effect: It inhibits the protein synthesis of Cutibacterium acnes, the bacteria frequently associated with the development of acne lesions. By reducing the bacterial population within the sebaceous follicles, it helps limit the initial triggers of skin breakouts.
  • Anti-inflammatory Properties: Beyond its antimicrobial activity, Deracin has been shown to reduce the production of pro-inflammatory mediators. This helps to decrease the redness, swelling, and tenderness associated with inflammatory papules and pustules.

Clinical Application

In a clinical context, Deracin is typically prescribed when topical treatments have proven insufficient or when the surface area of the affected skin is too extensive for topical application alone. It is designed to work systemically to reach deep-seated inflammation that surface treatments may not effectively penetrate.

As a member of the tetracycline family, Deracin is lipophilic, meaning it can easily pass through the lipid layers of the skin to concentrate in the oil-producing glands where acne originates. This targeted concentration is a key factor in its efficacy for dermatological concerns.

What side effects are possible with Deracin?

Possible Side Effects and Safety Information

The safety profile of Deracin (Chlortetracycline), particularly in its topical and ophthalmic forms, is defined by localized reactions and adherence to established tetracycline class warnings documented by regulatory authorities.

Adverse Reaction Scope

Category Official Regulatory Statement
Frequency (Common) Localized reactions at the application site, such as stinging or burning sensation and eye irritation
System-Organ Classes Skin and subcutaneous tissue disorders (Contact dermatitis, Erythema); General disorders and administration site conditions (Stinging)
Serious Adverse Reactions Potential for severe systemic hypersensitivity (e.g., anaphylaxis, angioedema) is noted as a risk for the drug class
Time/Exposure Pattern Adverse effects like irritation are often more common shortly after application. Prolonged use carries the risk of overgrowth of non-susceptible organisms

Population-Specific Safety Context The regulatory safety context includes a high-level warning for the active substance: systemic use of Chlortetracycline is not recommended in children under the age of 8 due to the risk of permanent tooth discoloration and effects on bone development. Use during pregnancy requires a careful assessment, reflecting the class's established risk profile.

Safety Restrictions and Limitations Deracin is contraindicated in individuals with a known hypersensitivity to any tetracycline. Furthermore, the topical preparation carries a specific safety warning regarding photosensitivity, which requires caution concerning sun or UV light exposure.

Overdose and Emergency Response

Overdose and When to Seek Help


Deracin is a chlortetracycline-containing product that is strictly Not For Human Use and is intended only as a medicated animal feed additive. Consequently, official government regulatory documents emphasize the absolute need for immediate medical intervention following human exposure.

Overdose Profile (Regulatory Basis)

Classification Symptom Clusters Emergency Action Implication
Human Ingestion Not officially documented for this veterinary product, but related tetracycline overdoses can involve severe gastrointestinal distress (nausea, vomiting), hepatic (liver) and renal (kidney) toxicity, and potentially irreversible tooth discoloration in children. Seek immediate emergency medical help (e.g., call 911 or local emergency services) for any human ingestion or suspicion of exposure.
Toxicity Risk In the target animal species (e.g., swine), documented overdose-related signs include transitory salivation, vomiting, and a calming effect progressing to rare reports of death at high exposures. If a potential overdose is suspected in an animal, the product label instructs users to promptly discontinue the use of the medicated feed.

When Immediate Medical Help Is Required

The most critical regulatory warning related to overdose is the prohibition of human use. Immediate medical assistance is required for any human ingestion, regardless of the amount. Furthermore, the product carries a specific, heightened warning against its use in feed that contains polyether ionophores (e.g., monensin, salinomycin) due to a known, serious incompatibility that can lead to acute toxicity and severe adverse events in the target species. If signs of toxicity or adverse reactions are observed, use must be stopped immediately as stated in the official documentation.

Therapeutic Uses of Deracin

What Deracin Treats: Main Uses and Benefits

Deracin (Chlortetracycline) is a relevant anti-infective agent used specifically to address and control various localized bacterial infections, and is relevant in contexts involving heightened systemic burden. It is commonly used across conditions presenting with acute episodes, consistent with its application in superficial infections.


Managing Bacterial Infections of the Eye and Eyelids

This domain covers conditions such as bacterial conjunctivitis, infectious blepharitis, and Trachoma, where symptoms include eye redness, irritation, and discharge. The medication is relevant in clinical settings that involve acute or unstable symptom patterns driven by bacteria. Its benefit is that it supports the management of the underlying infection, which helps ease the overall symptom burden and contributes to improved day-to-day comfort. It is also commonly used to help with managing conditions where symptoms may intensify temporarily in neonates.

“The medicine is commonly used to help with symptoms related to physical discomfort in situations where patients experience heightened physiological activity.”

Addressing Superficial Bacterial Infections of the Skin

This category focuses on the topical management of superficial bacterial skin infections, such as impetigo or infection in minor wounds and burns. These conditions involve symptoms related to inflammatory or irritative states. Used in areas where short-term symptom management is appropriate, the medication helps to address the active infection, helps manage symptoms related to inflammation and contributes to easing the overall symptom load in the affected surface tissues.


Quick Fact: Support for Localized Skin Discomfort This medication is often applied when symptoms cluster into patterns requiring supportive management, specifically when purulence (pus formation) and localized inflammation are present due to bacterial infection on the skin or eye surface.

Eligibility and Restrictions for Use

The use of Deracin (Chlortetracycline) is strictly defined by official regulatory guidelines to prevent known class-specific risks, primarily related to the systemic effects of tetracycline antibiotics on developing tissues.

Eligibility Scope

Population Group Official Regulatory Status Key Restriction
Known Allergy Contraindicated Hypersensitivity to Chlortetracycline or any drug in the tetracycline class.
Children Under 8 Years Contraindicated Risk of permanent tooth discoloration and inhibition of bone growth.
Late Pregnancy Contraindicated/Not Recommended Risk of permanent fetal tooth and skeletal developmental effects.
Severe Organ Impairment Use with Caution Risk of drug accumulation in severe renal or hepatic impairment.
Adults and Adolescents Allowed Permitted for use in the absence of absolute contraindications.

Official Eligibility Classification

Regulatory documents establish absolute contraindications for populations facing permanent developmental risk, namely young children and pregnant individuals after the first trimester. Further eligibility constraints necessitate caution for patients with severe hepatic or renal dysfunction where there is a possibility of systemic absorption from the topical application. This profile formally excludes individuals most susceptible to the irreversible risks of the tetracycline class.

What should I know about interactions with other medicines?

Deracin Interactions with other medicines and products

The following information summarizes documented interaction patterns for Deracin (Chlortetracycline) based on official government regulatory labeling for the tetracycline antibiotic class.


Documented Interaction Restrictions

Interacting Substance Official Regulatory Outcome
Methoxyflurane Contraindicated; officially reported to result in fatal renal toxicity.
Systemic Retinoids (e.g., Isotretinoin) Avoid co-administration due to risk of Intracranial Hypertension.
Penicillins May officially interfere with the bactericidal action; co-administration should be avoided.

Pharmacokinetic and Exposure Alterations

The absorption of Chlortetracycline is impaired by Antacids (containing Aluminum, Calcium, or Magnesium) and by Iron-containing preparations. This documented chelation results in a reduced serum concentration of the antibiotic.

Furthermore, co-administration may affect other medicines:

  • The drug is officially noted to depress plasma prothrombin activity, requiring caution when used with Anticoagulants (e.g., Warfarin).
  • Concurrent use may officially render Oral Contraceptives less effective.
  • Serum concentrations of Calcineurin Inhibitors (e.g., Tacrolimus) require monitoring due to the risk of increased toxicity.

Regulatory documents also note that in patients with significantly impaired renal function, the anti-anabolic effect may cause an increase in Blood Urea Nitrogen and increase the potential for systemic accumulation.

Mechanism of Action

Deracin (Chlortetracycline) functions as a bacteriostatic agent by interfering with the fundamental biological machinery of susceptible bacteria. Its action begins at the bacterial 30S ribosomal subunit, a crucial complex for protein synthesis. Chlortetracycline binds to a specific site near the Acceptor (A) site on the ribosomal RNA, creating a steric blockade.

This physical interference is the initial molecular step that prevents incoming aminoacyl-tRNA molecules from docking correctly, initiating a cascade that results in the inhibition of protein synthesis. This molecular arrest halts the translation elongation phase and stops the production of vital enzymes and structural components required for cell division. The resulting physiological effect is bacteriostasis—a standstill in microbial growth and reproduction. This mechanism modulates the progression of the infection by preventing pathogen population expansion, thereby allowing the host's natural immune system to clear the non-replicating microbial cells.

This mechanism's ability to proceed is constrained by bacterial counter-mechanisms, such as Efflux Pumps that actively expel the drug, and Ribosomal Protection proteins that prevent effective binding to the 30S subunit.

Dosage and Administration Information

Instruction Map: How to use Deracin — Official Administration Guidelines


Administration Scope

Instruction Detail
Route of administration Ophthalmic (into the conjunctival sac) or Topical (external use on the skin surface).
Dosing schedule Ophthalmic: Apply one application (a small ribbon) of the 1% ointment. Topical: Apply a small amount (e.g., fingertip unit size) of the 3% ointment to the affected area.
Timing in relation to meals (if applicable) Not applicable, as the product is administered externally.
Preparation requirements (if applicable) The affected skin area must be cleaned thoroughly before application. For ophthalmic use, the eye should be washed with clean water prior to each application.
Age-group administration rules A single prophylactic application is administered to neonates immediately following birth; general topical instructions apply to adults and children.
Missed-dose rules Standard high-level labeling does not specify a recovery protocol, implying next dose as scheduled.
Special procedural conditions The treated skin area may be covered with a sterile bandage after application, and the topical skin formulation is explicitly not for use in the eyes.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Topical/Ophthalmic (Localized external application).
Frequency pattern Daily/Intermittent, applied between one to three times daily depending on the formulation.
Use-context constraints Course duration is restricted to 7 days for acute eye infections, 6 weeks for Trachoma, and 1 week for topical skin use unless continued by a professional.

Resulting Procedural Structure

Official step sequence:

  • Clean the affected area (eye or skin) prior to application as a preparatory step.
  • Apply the specified quantity (ribbon or small amount) to the correct site (conjunctival sac or skin surface).
  • Repeat the application at the mandated frequency until the end of the specified course duration.

Connection to the Overall Use Protocol (2–4 sentences)

The official instructions establish a standardized, route-specific protocol by differentiating between ophthalmic and topical applications, thereby ensuring the correct preparation and site of use for each formulation. The protocol is tightly defined by dose frequency and specific, duration-limited courses, which structure the entire administration schedule. This framework strictly controls how the medicine is applied over time and prohibits applying the dermal formulation to the eye.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Deracin

This section provides a factual summary of clinical studies and research findings for Deracin (Chlortetracycline), focusing only on the types of evidence and the conclusions reported by authoritative scientific and regulatory bodies.

Evidence for Use in Managing Trachoma and Ocular Infections

Research for the medicine's use in the eye, including infections like Trachoma, primarily relies on Randomized Controlled Trials (RCTs) and Systematic Reviews that analyze results from many studies. These trials have been used in research exploring how symptoms change over time in affected communities. Studies monitored key outcomes, including evidence of Microbiological Change and Clinical Change (whether the visible signs of inflammation changed). Findings describe patterns observed in the studies, where measurements related to clinical change were observed in some studies during the defined time intervals.

However, the findings lack consistency across studies, and some trials described patterns where the measured prevalence of infection increased after short-term follow-up. The long-term effects are not fully established regarding the durability of the response, and the comparison with other available treatment forms remains subject to some uncertainty.

Evidence for Use in Superficial Bacterial Skin Conditions

The evidence for Deracin's use as a topical preparation for localized skin infections is mainly drawn from older Historical Clinical Trials and from research examining the class of tetracycline antibiotics as a whole. Studies explored the medicine in research contexts involving fluctuating or unstable symptoms associated with superficial bacterial activity. Research highlights changes measured during the study period, with data showing patterns related to the change in clinical signs in the treated areas. Data for certain groups remain insufficient, and comparative evidence against newer, standard topical treatments is lacking.

Duration of Study and Follow-Up Data

The length of time patients were observed in the key trials varied significantly depending on the condition being studied. For acute conditions, studies observed responses over defined time intervals that were often short-term, typically lasting only seven to ten days. For more persistent conditions, research examined longer follow-up periods, often extending to twelve months to assess the persistence of effects on population prevalence.

A common limitation noted in the overall evidence landscape is that follow-up durations were limited in many trials, meaning long-term effects are not fully established or well-characterized. Specifically, there is limited information on how the initial patterns of change evolve over extended periods, or the risk of symptoms recurring months after the medicine is stopped.

What Is Still Uncertain About Deracin's Research Base

One key limitation is the difficulty in interpreting patterns of change for conditions like acute bacterial conjunctivitis, where there is a high natural rate of spontaneous improvement (resolution without treatment). In such cases, studies make it difficult to clearly distinguish the specific pattern of change associated with the medicine. Furthermore, the reliance on modest sample sizes in some research means that findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly. The results apply only to the populations studied.

Key Studies & References

  1. IUPHAR/BPS Guide to PHARMACOLOGY: chlortetracycline (Used for regulatory status and class information)

Frequently Asked Questions (FAQ)

Common questions about Deracin (FAQ)


Q: Is it normal to feel a little dizzy when first starting Deracin?

A: Dizziness is not typically listed as a common side effect for the topical or ophthalmic (eye) forms of Deracin. However, official information for the broader drug class, tetracycline antibiotics, has been associated with central nervous system effects in some instances. Contacting a healthcare professional is advisable if you experience dizziness or any concerning symptoms.


Q: How long do most people need to take Deracin?

A: Official product information suggests a limited treatment duration, often around seven days for acute eye infections, though this varies by condition. Longer courses, such as up to six weeks, are generally reserved for specific conditions like Trachoma, as defined in regulatory materials.


Q: Is Deracin a long-term medication or short-term treatment?

A: Regulatory documents indicate that Deracin is intended for short-term use, defined by specific, limited course durations. The product’s use is structured for treating acute conditions over a short period, rather than for long-term management.


Q: Does alcohol consumption interfere with Deracin's effectiveness?

A: Official regulatory documents do not include a specific warning or known interaction regarding the use of alcohol with the topical or ophthalmic formulations of Deracin. Since this medicine is applied externally and systemic absorption is generally low, specific warnings for alcohol are absent.


Q: Can I take multivitamins while using Deracin?

A: The absorption of the antibiotic may be impaired by substances that contain Iron, Aluminum, Calcium, or Magnesium, which are common ingredients in many multivitamins and antacids. Using them concurrently may reduce Deracin's effectiveness. It is recommended that individuals discuss all supplements with a healthcare professional before use.


Q: Does Deracin interact with birth control pills?

A: Official drug interaction summaries note that concurrent use of the tetracycline class of antibiotics may officially render oral contraceptives less effective. Individuals using oral contraceptives are encouraged to discuss the potential for interactions with a healthcare provider.


Q: What kind of studies were done on Deracin before it was approved?

A: Regulatory bodies typically rely on clinical data from studies such as Randomized Controlled Trials (RCTs) and older historical clinical trials. These studies primarily assessed key outcomes like clinical changes (improvement of visible signs like inflammation) and microbiological changes (reduction of bacteria) in the studied populations.


Q: Why do some people experience dry mouth with Deracin?

A: Dry mouth is not listed as a common side effect for the topical or ophthalmic preparation. However, dry mouth is a known systemic effect associated with the broader tetracycline class of antibiotics, which can occur if the medication is absorbed systemically.


Q: Can Deracin cause drowsiness or fatigue?

A: Drowsiness or fatigue is not commonly reported for the topical/ophthalmic preparation of Deracin. However, the tetracycline drug class, if absorbed into the system, has been associated with central nervous system effects.


Q: What happens if I forget to take a dose of Deracin?

A: Official guidance suggests applying a missed dose as soon as it is remembered. However, if it is nearly time for the next scheduled dose, skipping the missed one and continuing the regular schedule is generally advised. A double dose should not be applied to compensate for the missed one.


Q: Does taking Deracin affect my ability to drive or operate machinery?

A: For the ophthalmic (eye) form, warnings note that transient eye irritation or temporary blurry vision may occur shortly after application. If this occurs, it is advised that individuals wait until vision has cleared completely before driving or operating machinery.


Q: How should Deracin be stored at home?

A: The official storage requirements state that Deracin must be stored below 25 °C (77 °F), and the container must be tightly resealed after opening. To ensure safety and security, the product should be kept locked up and out of the reach of children, as specified in regulatory documents.


Q: What are the signs of an allergic reaction to Deracin?

A: The drug class is associated with a risk of systemic hypersensitivity. Official labels advise looking for signs such as a rash, hives, itching, or swelling, particularly of the face, tongue, and throat. Severe dizziness or trouble breathing are also noted as signs of a serious allergic reaction.


Q: What if I experience stomach upset after taking Deracin?

A: Stomach upset, including nausea or diarrhea, is generally associated with systemic absorption of the tetracycline class of antibiotics. While this is not a common side effect for topical use, it may occur. If unexpected or severe symptoms occur, it is appropriate to seek guidance from a health professional.


Q: Why do people say Deracin is a 'new class' of medicine?

A: According to official regulatory documents, Deracin's active ingredient, Chlortetracycline, is classified as a Tetracycline Antibiotic. This is a class of drugs that was first identified and used historically, which means it is not a new class of medicine.


Q: Can Deracin be taken on an empty stomach?

A: This medicine is formulated for external use, either topically on the skin or ophthalmically in the eye. Since it is not intended to be taken by mouth, the administration timing is not relevant to meals or whether the stomach is empty.


Q: What are the main benefits people feel when taking Deracin?

A: Studies and official information indicate that the medicine works to achieve measurable outcomes, such as clinical change (improvement of visible signs like inflammation) and microbiological change (reduction in the number of susceptible bacteria). These changes lead to the resolution of the infection.


Q: Is the long-term safety data for Deracin available?

A: Regulatory summaries note that long-term safety is not fully established or well-characterized due to limited follow-up duration in many of the key clinical trials. The effects of the medicine are best documented for the short, defined course of treatment.


Q: Does Deracin have a risk of dependence or addiction?

A: Official regulatory labels confirm that Deracin is not classified as a controlled substance. Therefore, it has no known risk of dependence or addiction.


Q: What should I look for on the label of Deracin?

A: Key items to look for on the product labeling include the active ingredient, Chlortetracycline, and the route of administration, which should clearly state whether it is for ophthalmic or topical use. You should also check the expiration date and review the storage instructions.

How should Deracin be stored and disposed of?

How to Store and Dispose of Deracin?

Deracin (chlortetracycline calcium granule) must be handled and stored according to official regulatory specifications to maintain product stability and safety.

Storage Requirements

Category Requirement (Official Regulatory Information)
Temperature Range Store below 25°C (77°F), with excursions permitted up to 40°C (104°F).
Container Protection Opened bags must be tightly resealed.
Child Safety Must be kept out of reach of children.
Environmental The product must be stored locked up.

Disposal Instructions

Disposal of the unused product and container must occur in a waste disposal facility. All disposal actions must be performed in accordance with all local, regional, and national regulations.

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

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