Cefrid

Quick links to important sections

Cefrid

Treatment option:

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 Cefrid

Here's a quick overview of the essential facts regarding Cefrid.

Property Description
Active Ingredient Cephradine (Cefradine, INN)
Form Available as Capsules, Syrup, and Vials for Injection
Pharmacological Class First-generation cephalosporin (β-Lactam antibiotic)
General Purpose To combat bacterial infections
Origin Semi-synthetic compound

What is Cefrid and Its Core Identity?

Cefrid is a medicinal preparation whose primary component, the active ingredient, is Cephradine, also internationally recognized as Cefradine (INN). This medication is a single active ingredient product designed to eliminate susceptible bacterial infections, such as those affecting the skin or respiratory tract. Cephradine is classified as a cephalosporin antibiotic used to treat various infections. This classification defines its role in systemic anti-infective therapy and its efficacy against common pathogens.

The active substance, Cephradine, is semi-synthetic in origin, meaning it is manufactured through specialized chemical processing of naturally derived starting materials. The drug is designated as a prescription-only medication, underscoring the need for professional medical oversight.


What Type of Antibiotic is Cephradine?

Cephradine is categorized within the pharmacological class of β-Lactam antibiotics, specifically identified as a First-generation cephalosporin. This class is defined by its ability to exert a bactericidal effect, meaning its action actively kills the targeted bacterial organisms rather than merely stopping their replication. Cephradine possesses activity in eliminating pathogenic bacteria, making the medicine capable of destroying bacteria causing infection.

The classification as a First-generation cephalosporin means Cephradine possesses broad-spectrum activity that is generally effective against common Gram-positive bacteria and includes efficacy against several important Gram-negative organisms. The core action works by disrupting the structural integrity of the bacterial cell wall, a vital defense mechanism.


What Forms of Cefrid are Available?

Cefrid is available in several dosage forms to accommodate both oral administration and parenteral preparations. These forms typically include capsules and syrup for patients who can take the medication by mouth, as well as vials for injection for intravenous or intramuscular use. This flexibility in drug forms is a key differentiating factor, allowing for both hospital and outpatient treatment settings. The syrup oral preparation is often favored for pediatric patient groups due to ease of swallowing. The overall composition consists of the active Cephradine combined with various inactive materials, or excipients, necessary for stability and safe delivery into the body.

Regulatory References

  1. MedlinePlus Drug Information on a related cephalosporin

What side effects are possible with Cefrid?

Possible Side Effects and Safety Information

The safety profile of Cefrid (Cephradine) is characterized by adverse reactions documented within specific System-Organ Classes (SOC) and classified by frequency in official regulatory documents. Reactions most often reported are associated with the Gastrointestinal system and Hypersensitivity

, and generally include nausea, vomiting, and diarrhea.


Documented Adverse Reactions and Safety Constraints

Classification Area Description from Official Labeling
System-Organ Classes Adverse events are documented across systems including Gastrointestinal, Skin and Subcutaneous Tissue (rash, urticaria), Nervous System (dizziness, headache), and the Renal and Hematologic systems.
Serious Adverse Reactions Officially listed severe events include Anaphylaxis (a life-threatening systemic reaction) and significant gastrointestinal issues such as Pseudomembranous Colitis (severe intestinal inflammation). Rare occurrences of Interstitial Nephritis are also documented.
Population-Specific Notes Special considerations apply to patients with Renal Impairment and Older Adults, often requiring dosage adjustments due to the drug's primary elimination route through the kidneys.
Safety Limitations The labeling notes a potential for cross-allergenicity with Penicillins. Prolonged use carries the risk of superinfection, which is the overgrowth of non-susceptible organisms.

Time-Related Patterns

The onset of Clostridium difficile-associated diarrhea (CDAD) is documented as potentially occurring not only during therapy but also weeks to months after treatment has been concluded. These safety classifications ensure that the documented risks are understood based on the evidence presented to and recognized by government health authorities.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation defines the expected clinical course and required emergency response for an overdose of Cefrid (Cephradine).

Element Regulatory Statement
Documented Manifestations Non-specific symptoms primarily include severe nausea, vomiting, diarrhoea, and gastric upsets.
Serious Outcomes The potential for convulsions (seizures) and neuromuscular hypersensitivity is documented, representing a serious complication of systemic exposure.
Urgent Action Required Seek immediate medical attention is mandatory for any suspected overdose or severe adverse reaction.

Management and Population Risk:

Management must be symptomatic and supportive measures should be instituted under professional care. The official labeling notes that for large ingestions, gastric lavage is indicated, and procedures such as hemodialysis may be considered for drug removal. No specific antidote is documented in the prescribing information. A specific risk is noted for patients with renal failure, where the chance of experiencing convulsions is increased due to the large systemic doses of cephalosporins. This guidance is based strictly on official prescribing information and dictates the conditions under which urgent professional help must be sought.

Therapeutic Uses of Cefrid

What Cefrid Treats: Main Uses and Benefits

Cefrid (Cephradine) is an anti-infective treatment generally applied in clinical settings where supportive symptom management is appropriate due to an infection caused by a susceptible bacterial pathogen. It is used across therapeutic domains where short-term symptomatic assistance is needed. The medication is considered relevant in conditions presenting with systemic or localized discomfort, which may include symptoms associated with respiratory conditions, skin and soft tissue infections, and uncomplicated urinary tract conditions.

It is used for managing symptom clusters that may appear suddenly, including symptoms related to systemic imbalance (like fever) and inflammatory or irritative states (such as localized pain). In acute symptomatic episodes, it contributes to easing the overall symptom load and helps maintain a sense of stability when symptoms are more noticeable. This includes use in a preventative context (prophylaxis) before certain surgical procedures, which supports general well-being during symptomatic phases.


Quick Fact: Support for Symptoms Related to Systemic Imbalance
Cefrid may assist with managing symptoms related to systemic imbalance and inflammatory or irritative states, often relevant in contexts involving heightened systemic burden.

Regulatory References

  1. HPRA Summary of Product Characteristics (Therapeutic Indications)

Eligibility and Restrictions for Use

Who Can and Cannot Use Cefrid (Cephradine)

This information reflects the official population eligibility and non-eligibility rules documented by governmental regulatory authorities.

Absolute Contraindications

Cefrid is contraindicated and must not be used in patients with a documented history of hypersensitivity or severe allergic reaction to the cephalosporin class of antibiotics . Use is also officially prohibited in patients diagnosed with Porphyria.

Age and Organ Function Restrictions

Population Group Regulatory Status
Pediatric Use Established for children generally 9 months or older; use below this age may be limited.
Renal Impairment Conditional use: requires caution and dosage adjustment due to reduced drug clearance.
Penicillin Allergy Use with extreme caution is required due to the risk of cross-hypersensitivity.

Pregnancy and Lactation

Cefrid is classified as Pregnancy Category B by the FDA, indicating that use should only be considered when the need is clearly established by a prescriber, as safety has not been fully established. The medicine is excreted into breast milk in small amounts, and use during lactation should proceed with caution.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Cefrid (Cephradine) documents specific interactions concerning its elimination from the body and the potential for increased risks when combined with certain medications.

Documented Pharmacokinetic and Additive Risks

The primary documented interaction pattern involves the drug's clearance by the kidneys.

Interacting Substance Official Description of Interaction Classification (Regulatory Basis)
Probenecid Increases Cephradine's serum concentrations by inhibiting its active renal tubular secretion. Transporter-Mediated Interaction
Loop Diuretics (e.g., Furosemide) Co-administration may increase the risk of nephrotoxicity (potential kidney damage). Pharmacodynamic Interaction

General Interaction-Related Constraints

No medicinal products are formally labeled as contraindicated for co-administration with Cephradine in government regulatory documents. However, a general caution exists regarding the use of alcohol, which should be avoided as it may worsen the effects of any underlying condition. No mandatory dose timing separation requirements are specified in the official prescribing information for Cephradine. While not an interaction, regulatory notes state that patients with impaired renal function require a modified dosage schedule to prevent accumulation due to the drug's elimination route.

Mechanism of Action

Irreversible Inhibition of Bacterial Cell Wall Construction

Cephradine's mechanism begins by targeting Penicillin-Binding Proteins (PBPs), which are essential bacterial enzymes. The molecule acts as a suicide inhibitor, forming a permanent, covalent bond with the PBP active site. This interaction irreversibly blocks the enzymatic process known as transpeptidation, which is the final step in forming the structural cell wall of susceptible bacteria.

Mechanistic Cascade Leading to Pathogen Lysis

Blocking the PBP enzymes prevents the cross-linking of the bacterial cell wall component, peptidoglycan, resulting in a critically defective structure. This failure to maintain integrity initiates a cascade resulting in cellular breakdown, where the bacterial cell, now osmotically unstable, ruptures (lysis) due to high internal pressure and the activation of its own autolytic enzymes. This cytolytic process results in the cytolytic destruction of the pathogen population and is a key physiological consequence of the mechanism.

Dosage and Administration Information

Official Administration Instructions for Cefrid (Cephradine)

Cefrid is administered according to a regimen defined by its route and required dosage. The medicine is available for oral use (capsules and suspension) and parenteral use (intramuscular and intravenous injection).

Instruction Details
Route of Administration Oral (capsules/suspension), Intramuscular (IM), or Intravenous (IV).
Standard Dosing Schedule Adults typically receive 250 mg to 500 mg per dose orally, administered every 6 hours (q6h) or every 12 hours (q12h). Parenteral doses range from 500 mg to 1 g per dose.
Frequency and Timing Doses must be taken at equally spaced intervals throughout the day. Oral forms may be given without regard to meals, which can support treatment adherence.
Preparation Requirements Oral powder must be reconstituted by adding the specified amount of water and shaking well. Injection vials also require reconstitution prior to deep IM or slow IV injection over 3–5 minutes.
Special Populations A modified dosage schedule is necessary for all patients with impaired renal function (reduced creatinine clearance). For pediatric patients over nine months, dosing is weight-based, typically 25 to 50 mg/kg/day in divided doses.

Duration and Missed Doses

The full course of therapy should be completed, with minimum treatment durations established for specific conditions, such as at least 10 days for infections caused by hemolytic streptococci. If a dose is missed, it is recommended to take it as soon as remembered; however, if it is almost time for the next scheduled dose, the missed dose should be skipped (do not take two doses at once). This procedural structure ensures the medicine is used consistently across various clinical settings.

Recent Clinical Evidence

Recent Clinical Evidence Overview

Research regarding Cefrid (Cephradine), a first-generation cephalosporin, focuses primarily on its evaluation within the context of specific bacterial conditions. The evidence base includes older Randomized Controlled Trials (RCTs) and comparative studies that established initial data patterns.


Evidence for Common Conditions

Studies have explored Cefrid in research evaluating respiratory tract conditions (like pneumonia and pharyngitis), skin and soft tissue infections, and uncomplicated urinary tract conditions. In these trials, researchers tracked clinical and bacteriological endpoints, such as the measured rate of bacterial eradication and how symptoms evolved over short, defined time intervals. Older comparative trials examined the bacteriological patterns observed when Cefrid was tested alongside other first-generation antibiotic agents, often reporting measured outcomes consistent with the overall drug class.

Limitations and Uncertainties

The existing research highlights several limitations. Across most indications, follow-up durations were limited, meaning outcomes related to the long-term durability of the response or potential symptom recurrence remain uncharacterized. Comparative evidence against the most current standard-of-care agents is often lacking, as many relevant trials were conducted decades ago. Data for certain groups remain insufficient, particularly for patients with severe comorbid conditions, though some studies included both pediatric and older adult patient groups.

Surgical Prophylaxis Context

Evidence for the use of first-generation cephalosporins in surgical antimicrobial prophylaxis (SAP) is frequently derived from systematic reviews and meta-analyses that analyze the class effect rather than being specific to Cefrid. These reviews monitored infection rates observed in the weeks following surgery, emphasizing the importance of proper administration timing.

Key Studies & References

  1. HPRA Summary of Product Characteristics (Therapeutic Indications)
  2. The first-generation cephalosporins: Cephradine and Cefazolin
  3. Clinical efficacy of cephradine in acute pharyngotonsillitis in children

Frequently Asked Questions (FAQ)

Common questions about Cefrid (FAQ)


Q: How long does it typically take to notice the effect of Cefrid?

According to the official pharmacokinetic data, Cefrid is absorbed rapidly after an oral dose. Peak concentrations in the bloodstream are typically reached within about one hour. This rapid absorption is a key feature described in the medication's profile.

Q: I'm feeling better, can I stop using Cefrid now?

Official drug information emphasizes that the prescribed duration of therapy should be completed. This compliance supports the appropriate treatment of the infection.

Q: Why is Cefrid usually prescribed instead of other drugs?

Cefrid is a first-generation cephalosporin antibiotic. It is officially indicated for treating susceptible bacterial infections, including those affecting the respiratory tract, skin, and urinary tract. It is noted in regulatory documents for its activity primarily against Gram-positive bacteria.

Q: Can Cefrid affect my ability to drive or operate machinery?

Official safety information lists dizziness and headache among the possible side effects. If you experience these symptoms, regulatory patient materials often advise avoiding activities like driving or operating machinery.

Q: Is it common to have stomach upset when taking Cefrid?

Yes, official safety data indicates that gastrointestinal side effects are among the most commonly reported issues with Cefrid. These can include nausea, vomiting, and diarrhea. If severe or persistent gastrointestinal problems occur, a healthcare professional should be consulted.

Q: What is the main difference between Cefrid and similar over-the-counter options?

Cefrid is classified as a prescription-only medication. Official regulatory labeling confirms it is a beta-lactam antibiotic used to treat specific bacterial infections, which distinguishes it from non-prescription, over-the-counter products intended for general symptom relief.

Q: Can a pregnant person continue using Cefrid?

Official labeling classifies Cefrid as Pregnancy Category B. This indicates that the medication should be used during pregnancy only when the need is clearly established by a prescriber.

Q: What is Cefrid used for besides what my doctor said?

The official indications for Cefrid list its use for infections caused by susceptible organisms in several areas. These include infections of the respiratory tract (like pharyngitis), the skin and soft tissue, and the urinary tract (like cystitis). The specific use for any individual is determined by their medical assessment.

Q: Is Cefrid the same type of drug as [Competitor Drug Name]?

Cefrid belongs to the pharmacological class known as first-generation cephalosporin antibiotics. Other medications that are also cephalosporins belong to the same broad class. Differences may exist across generations or formulations in their spectrum of activity against bacteria.

Q: Are the common side effects of Cefrid generally mild?

Official documentation reports that the most common side effects are typically associated with the gastrointestinal system, such as nausea and diarrhea. However, the labeling also documents serious adverse reactions, such as anaphylaxis and severe intestinal inflammation (pseudomembranous colitis).

Q: Can Cefrid be taken with my blood pressure medicine?

Official drug interaction information documents that co-administration with certain diuretic medications, specifically Loop Diuretics, may increase the potential risk of kidney damage (nephrotoxicity). Regulatory guidance advises consulting a healthcare professional regarding all current medications to assess potential interactions.

Q: Does Cefrid work immediately or does it build up in your system?

Pharmacokinetic data confirms that Cefrid is rapidly absorbed and quickly reaches peak concentrations in the blood within approximately one hour after an oral dose. The drug is also quickly eliminated from the body, as described in the official product information.

Q: Why do some people say they felt dizzy after starting Cefrid?

Dizziness is a documented adverse event listed in the official safety documents for Cefrid. This symptom is categorized under the Nervous System adverse events, which confirms it as a known reaction associated with the use of the drug.

Q: Is there a certain time of day that is usually best for taking Cefrid?

Official regulatory guidance specifies that doses must be taken at equally spaced intervals throughout the day to maintain consistent levels of the medicine. It also states that oral forms of Cefrid may be taken without regard to meals.

Q: What happens if I stop taking Cefrid suddenly?

Official guidance emphasizes the importance of completing the full course as prescribed for appropriate treatment. While regulatory documents do not specify the risks of unauthorized abrupt stopping, compliance supports the intended goal of therapy.

Q: Are there any known issues mixing Cefrid with herbal supplements?

While specific herbal supplements are not listed as formal interactions in the core drug documents, general patient counseling often advises disclosing all prescription, non-prescription, and herbal products to a healthcare professional to review the risk of potential interactions.

Q: Does taking Cefrid mean I cannot drink alcohol at all?

Official constraints advise that alcohol consumption should be avoided while using Cefrid. The stated reason in regulatory documents is that alcohol may worsen the effects of the underlying condition for which the medication has been prescribed.

Q: Are there different strengths or formulations of Cefrid available?

Yes, official documents describe that Cefrid is available in multiple forms. These include capsules in different strengths (e.g., 250 mg and 500 mg), oral powder for suspension (syrup), and preparations in vials for injection.

Q: What does 'Pharmacological Class' mean for Cefrid?

The pharmacological class defines how a drug works within the body. Cefrid belongs to the beta-lactam antibiotics, specifically the first-generation cephalosporins, which are a class of agents designed to kill susceptible bacteria.

Q: Is Cefrid suitable for someone who has allergies to other medicines?

Official warnings state that the medication should be administered with great caution in patients with any known history of drug allergies. Extreme caution is specifically required if there is a history of allergy to penicillin due to the possibility of a cross-allergic reaction.

Q: If I have a rash while taking Cefrid, is that a common side effect?

Regulatory documents list rash and urticaria (hives) as documented side effects under Skin and Subcutaneous Tissue disorders. While these are known reactions, the patient information typically does not use specific frequency terms like 'common' or 'rare' without supporting data.

Q: Can Cefrid affect blood sugar levels?

Official information states that the administration of Cefrid may cause a false-positive reaction for glucose when tested in the urine. This is described as a drug-laboratory test interaction.

Q: Why do I need regular lab tests while on Cefrid?

Official guidance notes that careful clinical observation and laboratory studies are typically made to ensure appropriate dosing, especially for patients with impaired kidney function. This is due to the drug's primary elimination route through the kidneys.

How should Cefrid be stored and disposed of?

How to Store and Dispose of Cefrid

Cefrid (Cephradine) must be stored and handled according to its official labeled requirements to ensure stability and safety.


Storage Conditions

Dry forms (capsules/powder) must be stored at room temperature, generally not exceeding 30 C, and protected from light and moisture. For child safety, the medicine must be kept out of the reach of children.

Dosage Form Stability / Storage Rule
Oral Suspension (mixed) Stable for 14 days when refrigerated (2 C – 8 C); the container must be kept tightly closed.
Injection Solution (mixed) Must be used rapidly, typically stable for 12 hours when refrigerated.

Disposal Instructions

Do not flush unused or expired Cefrid down the toilet. Any unused reconstituted liquid must be discarded after its stability period (e.g., 14 days). The preferred method for disposal is using an official community drug take-back program.

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

Available in countries:

Equivalent of Cefrid found in:

A-Z Index: