Dolocef

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Dolocef

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Dolocef

Quick Facts

Property Description
Active ingredient Cephradine (Cefradine)
Form Capsules, Suspension, Injection Powder
Pharmacological class First-generation Cephalosporin Antibiotic
General purpose Combats Bacterial Infections
Origin Semi-synthetic

Defining Dolocef: Class, Composition, and Origin

Dolocef is the trade name for the prescription medicine containing the active ingredient Cephradine, a semi-synthetic beta-lactam antibiotic. Cephradine, which is also recognized internationally as Cefradine, is a single-ingredient compound that provides the drug's entire therapeutic function.

Cephradine is classified as a first-generation cephalosporin, distinguishing it by its clinically recognized spectrum of activity, which shows reliable effectiveness against many Gram-positive bacteria. The beta-lactam core is the chemical feature central to its mechanism. The semi-synthetic origin indicates that its structure is chemically derived from natural sources. This characterizes the drug's role as an agent for microbial elimination.

Available Pharmaceutical Forms and General Purpose

The medication is supplied in multiple formats suitable for varied patient needs, including oral capsules, a prepared liquid oral suspension for children, and a sterile powder for solution used for intravenous and intramuscular injection.

The general purpose of Dolocef is to systematically combat and eliminate bacterial infections throughout the body. Its formulation flexibility, particularly the availability of the oral suspension alongside the standard capsules, is a key factor allowing accurate dosing across different patient groups. The fundamental benefit is derived from its established bactericidal nature, meaning it actively kills the infectious bacteria by interrupting cell wall integrity. This mechanism allows the drug to target the root microbial cause of the illness.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Dolocef?

Possible side effects and safety information

The established safety profile for Dolocef (Cephradine) is strictly defined by regulatory documents, which classify adverse reactions by frequency and physiological system involved. The most frequently encountered adverse reactions, often classified as common in official labeling, are related to the Gastrointestinal System, including nausea, vomiting, abdominal cramps, and diarrhea. Hypersensitivity phenomena, such as skin rashes, urticaria (hives), and fever, are also commonly reported.

Adverse effects are documented across several systems, including the Nervous System (dizziness, headache) and the Hematologic System (transient eosinophilia and neutropenia). The potential for Interstitial Nephritis is a recognized renal class effect of this antibiotic group.

Serious Adverse Reactions and Safety Constraints

Official labeling documents several serious adverse reactions, notably Anaphylaxis, which is a severe allergic reaction, and Pseudomembranous Colitis, indicated by severe diarrhea. Seizures (Convulsions) are also listed as a potential reaction, particularly in patients with impaired renal function.

Safety guidelines establish specific constraints. The medication is contraindicated in patients with known hypersensitivity to Cephradine or other cephalosporins. Caution is necessary for patients with a history of penicillin allergy due to the potential for cross-allergenicity. Population-specific safety notes require a dosage adjustment for patients with impaired renal function and advise caution during pregnancy and lactation. Prolonged use carries the risk of superinfection due to resistant organisms.

Overdose and Emergency Response

Overdose and When to Seek Help

Regulatory information documents the specific manifestations and required actions in case of Dolocef (Cephradine) overdose.

Category Official Regulatory Statements
Documented overdose presentations Nausea, vomiting (including severe vomiting), diarrhea, stomach pain, and general gastric upsets.
Physiological systems affected Central Nervous System (CNS), leading to neurotoxicity and seizures; Gastrointestinal system.
Dose-related or exposure-related factors Overdose may follow the ingestion of a large amount. Impaired renal function is a risk factor for accumulation and toxicity.
Emergency-response statements The overdose must be treated symptomatically and supportive measures instituted. Drug may be removed by hemodialysis.
When immediate medical help is required Seek emergency medical attention immediately. Contact a local poison control center or emergency room immediately.

Overdose Classification and Context

Category Official Regulatory Statements
Severity classification Manifestations include serious outcomes such as seizures (convulsions), indicating a potentially severe scenario.
Overdose-context constraints No specific antidote is known; management focuses on drug removal and supportive care.

Official Overdose Statements:

  • Immediate medical attention is required; patients are directed to contact a poison control center or emergency room immediately upon any suspicion of overdose.
  • Documented clinical manifestations include severe vomiting, stomach pain, diarrhea, and other gastric upsets.
  • The most serious documented outcome is toxicity related to high Central Nervous System (CNS) concentrations, which may potentially lead to seizures or neuromuscular hypersensitivity.
  • Patients with impaired renal function are specifically identified as being at increased risk of drug accumulation and toxic overdose effects due to the drug's prolonged half-life.
  • Management is officially described as being symptomatic and supportive only, with the procedure of hemodialysis being listed as a means to remove the drug from the body's system.

Connection to the overall overdose profile: Regulatory documents define the overdose profile by documenting expected clinical presentation and severe outcomes. The guidance mandates an immediate emergency response, establishing the need for supportive procedures and drug removal techniques, as no specific antidote is available. The profile emphasizes that renal impairment is a critical factor influencing the risk of toxic accumulation.

Therapeutic Uses of Dolocef

What Dolocef Treats: Main Uses and Benefits

Dolocef (Cephradine) is a prescription antibiotic commonly used to help manage the bacterial pathogens responsible for various acute infections, and may assist with easing the overall symptom burden, which supports patients during difficult episodes. First-generation cephalosporins are relevant for treating a wide range of susceptible infections, particularly those caused by Gram-positive cocci.

This medication is applied across several therapeutic domains. For many patients, the therapeutic intent is focused on: “supports general well-being during symptomatic phases.” It is commonly used to help with infections of the respiratory tract (Tonsillitis, Lobar Pneumonia), the skin and soft tissues (Cellulitis, Abscesses), and the urinary tract (Bladder Infections, Pyelonephritis). The primary benefit is that the medication plays a role in managing the infection, which contributes to easing symptoms related to physical discomfort like **fever, pain, and localized swelling.


Property Description
Quick Fact: Used for managing Symptoms related to inflammatory or irritative states
Applicable in Bacterial infections of the skin, lungs, throat, and urinary tract
Patient Benefit Assists with maintaining functional stability during episodes of heightened discomfort
Clinical Context Applied in acute or sudden-onset symptomatic episodes

Regulatory References

  1. NIH StatPearls on Cephalosporins

Eligibility and Restrictions for Use

Who Can and Cannot Use Dolocef (Cephradine) — Official Regulatory Information

Regulatory documents define specific populations who can and cannot use Dolocef. Absolute contraindications prohibit use in patients with a known hypersensitivity to cephalosporin antibiotics or any component of the formulation.

Age-Related Eligibility

Age Group Eligibility Status
Infants younger than 9 months Safety has not been established (use is restricted)
Pediatric patients Approved for use in children older than 9 months
Adults Approved for use under standard conditions

Conditional Use and Restrictions

Use requires special caution in patients with a history of penicillin allergy due to the risk of cross-allergenicity. Individuals with markedly impaired renal function are eligible but require a modified dosage schedule due to the risk of drug accumulation. Additionally, use should be avoided during pregnancy (due to a lack of established safety data) and only used with caution in nursing mothers, as the drug is known to be excreted in breast milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Dolocef (Cephradine) documents several pharmacokinetic and pharmacodynamic interactions with other substances, classified by the resulting effects on drug concentration or toxicity. The prescribing information notes that co-administration with Probenecid reduces Cephradine's renal clearance, leading to a formal increase in the antibiotic's serum concentrations.

Documented Pharmacodynamic and Efficacy Interactions

Interaction Type Interacting Substance(s) Official Regulatory Outcome
Additive Nephrotoxicity Loop Diuretics (e.g., Furosemide), Aminoglycoside Antibiotics May increase the risk of nephrotoxicity (additive organ damage).
Increased Therapeutic Effect Oral Anticoagulants (e.g., Warfarin) May increase the anticoagulant effects and cause a potential fall in prothrombin activity.
Reduced Efficacy Combination Oral Contraceptives May decrease the effectiveness of the contraceptive medicine.

Absorption and Timing Constraints

Oral products containing Zinc interfere with gastrointestinal absorption, resulting in a reduction in Cephradine's effectiveness. Regulatory documents specify that zinc-containing products must be separated by at least 3 hours after the dose of Cephradine. Consumption of Alcohol may also increase the risk of side effects such as dizziness and blurred vision. The anticoagulant interaction is noted as a factor in patients with pre-existing renal impairment.

Mechanism of Action

Irreversible Inhibition of Bacterial Cell Wall Synthesis

Dolocef (Cephradine) acts as a highly targeted antibiotic by irreversibly binding to Penicillin-Binding Proteins (PBPs), which are essential bacterial enzymes responsible for constructing the cell wall. The drug directly interrupts the peptidoglycan cross-linking pathway, which is necessary to build the rigid protective layer around the bacterial cell.

Mechanistic Cascade Leading to Cell Lysis

The failure to synthesize a stable peptidoglycan structure leaves the bacterial cell vulnerable to its own high internal pressure, thereby compromising bacterial osmotic homeostasis. This structural defect causes the cell to rapidly absorb water and ultimately leads to bacterial cell lysis (destruction). This structure-based mechanism triggers the bactericidal action against susceptible microbial populations.

Biological Constraints: Factors Limiting Mechanism Effectiveness

The drug's mechanism is constrained by bacterial countermeasures, specifically the production of beta-lactamase enzymes that chemically inactivate the drug, and through target modification, where bacteria alter the structure of their PBPs to reduce the drug's binding affinity. These factors directly interfere with the drug's action, limiting the bactericidal effect and contributing to pathogen persistence.

Dosage and Administration Information

Administration Guidelines (Tablet Form)

The following details describe the administration for the tablet form. These guidelines pertain to the method, frequency, and duration of use.

Administration Element Description of Use
Route and Form Must be taken orally (by mouth) as a film-coated tablet.
Dosing Schedule Typically administered every 12 hours (twice daily). The specific dose (250 mg or 500 mg) and the course duration (e.g., 7 to 10 days) vary based on the treated condition, as determined by the prescribing physician.
Timing with Meals The tablet may be administered with or without food.
Tablet Integrity The tablet must be swallowed whole. It should not be cut, crushed, or chewed.

Population and Special Conditions

  • Pediatric Use: For children who can swallow the tablets whole, the dosage and duration are set by the physician based on the specific condition. Safety and effectiveness are not established in infants younger than three months of age.
  • Renal Impairment: Dosage adjustments are required for patients with significantly impaired kidney function (e.g., creatinine clearance less than 30 mL/minute). For instance, the standard dose may be given every 24 hours or longer, depending on the severity of impairment.
  • Missed Dose: If a dose is missed, take it as soon as possible and then return to the regular schedule. Do not double the next dose to make up for the missed one. The entire prescribed course must be completed to adhere to the recommended use protocol.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dolocef (Cephradine)

This section provides a summary of the official research evidence that regulators consider when reviewing the evidence for Dolocef, focusing only on the types of studies conducted and what outcomes were examined. It does not offer clinical advice or personal recommendations.


Research Evidence for Urinary Tract Infections (UTIs)

The evidence base for Dolocef in treating acute, uncomplicated urinary tract infections is primarily derived from clinical trials, including Randomized Controlled Trials (RCTs). These studies were used in research exploring short-term changes in infection status.

Researchers primarily focused on measuring change in pathogen levels in the urine—and the Clinical Cure Rate, which measures how acute symptoms, which are outcomes related to physical discomfort, evolved. Findings describe patterns observed in the studies related to pathogen level changes and how symptoms evolved in patients studied. However, the majority of the definitive RCTs in this area are historical. The findings from these older studies, while contributing to the broader evidence landscape, may not fully reflect current microbial resistance trends.


Research Evidence for Respiratory Tract Infections

Dolocef was studied for use in respiratory tract infections, including conditions associated with acute or disruptive episodes, such as tonsillitis and certain types of pneumonia. The research examined changes in outcomes related to systemic or functional imbalance, such as how fever and other acute symptoms evolved. Trials primarily consisted of clinical studies and some comparative studies, often including populations of adults presenting with acute respiratory symptoms.


Key Uncertainties and Research Gaps

Long-Term Follow-up: The research is heavily focused on acute treatment, and long-term effects are not fully established, as follow-up durations were limited in the primary studies. The durability of the initial response or the data related to long-term disease recurrence is not fully established. Historical Nature of Evidence: Many pivotal clinical trials are older, meaning the study results reflect the specific conditions and microbiological environment under which they were conducted, which may differ from current practice. Subgroup Findings: Data for certain groups, particularly those with complex or chronic conditions, are often less specific or based on modest sample sizes.

Key Studies & References

  1. Cephalosporins - StatPearls (Overview of First-Generation Cephalosporin Indications and Status)

Frequently Asked Questions (FAQ)

Common questions about Dolocef (FAQ)


Q: What is the main reason Dolocef is prescribed by doctors?

Official product information states that Dolocef is an antibiotic approved for treating a range of specific bacterial infections. These uses typically include infections affecting the respiratory tract, urinary tract, middle ear, and the skin or soft tissues.

Q: How quickly does Dolocef usually start to work?

Studies have examined how quickly the drug enters the bloodstream after an oral dose. Maximum concentration in the blood is typically reached about one hour after administration. However, the exact time when a person begins to feel the full therapeutic effect is not specified in regulatory labeling.

Q: Can Dolocef cause weight gain?

Unusual weight gain or swelling is not listed as a common side effect. According to official warnings, these signs may instead indicate a more serious adverse reaction related to potential kidney issues. A healthcare provider should be consulted if these changes are observed.

Q: Is it normal to feel tired or drowsy after taking Dolocef?

Dizziness is a reported side effect of Dolocef. However, official labeling does not explicitly list common reactions such as generalized tiredness or drowsiness.

Q: How long does the effect of Dolocef typically last?

The elimination half-life of the active ingredient, Cephradine, is generally around one to two hours in patients with normal kidney function. The half-life is a pharmacological measure describing the time it takes for the body to reduce the amount of drug by half. The overall duration of the therapeutic effect itself is not specifically defined.

Q: Can older adults (seniors) use Dolocef?

Regulatory documents indicate that Dolocef is permitted for use in the geriatric (older adult) population. Official prescribing information advises caution, and dosage adjustment may be necessary if kidney function is reduced.

Q: Does Dolocef affect your mood or cause anxiety?

Official labeling reports 'feeling restless or hyperactive' as a possible adverse reaction. However, adverse reactions specifically related to changes in mood, such as anxiety, are not explicitly listed among the common side effects.

Q: Can a person stop taking Dolocef suddenly, or does it require tapering?

Official administration instructions require that the entire prescribed course of antibiotic treatment must be completed. Unlike some other medications, tapering (gradually reducing the dose) is not a specified requirement for Dolocef.

Q: Can I take Dolocef if I have liver problems?

Regulatory documents indicate that specific dose adjustment data for patients with impaired liver function are not available. The drug is primarily excreted by the kidneys.

Q: What does it mean that Dolocef is 'metabolized by the liver'?

Official pharmacological information indicates that Dolocef's active ingredient, Cephradine, is largely not metabolized (changed) by the liver. Instead, the drug is excreted primarily by the kidneys.

Q: What is the purpose of the different strengths Dolocef comes in?

The different available strengths of Dolocef allow physicians to tailor the treatment to the individual's needs. Dosage is specific and is based on the type and severity of the bacterial infection being addressed.

Q: Can Dolocef interact with common supplements like multivitamins?

Regulatory information specifically warns that oral products containing Zinc can interfere with the drug's absorption. This means that zinc-containing supplements must be separated from the Dolocef dose by at least three hours. General interactions with other vitamins or supplements are not specified.

Q: What happens if someone accidentally takes too much Dolocef?

Taking too much Dolocef may increase the risk of serious adverse reactions, such as seizures (convulsions) or severe allergic reactions. An overdose situation would require immediate professional medical attention.

Q: Can Dolocef be used to treat headaches?

Dolocef is an antibiotic indicated for specific bacterial infections. It is not approved for use in the treatment of headaches. Note that headaches are listed as a possible side effect of the medicine.

Q: What is the meaning of 'contraindication' as it relates to Dolocef?

A contraindication is an absolute restriction that prohibits the use of a medicine in certain patients due to known harm or risk. For Dolocef, the primary contraindication is a known hypersensitivity (severe allergic reaction) to the drug or other cephalosporin antibiotics.

Q: Is Dolocef a prescription-only medicine?

Yes, the legal status of Dolocef's active ingredient, Cephradine, classifies it as a prescription-only medicine.

Q: Does Dolocef interact with cold and flu medicines?

The labeling does not provide a general warning regarding all cold and flu medicines. However, official information cautions against combining Dolocef with alcohol, which can increase the risk of side effects such as dizziness.

Q: Is Dolocef only for severe pain, or can it be used for mild issues?

The drug is indicated for a range of bacterial infections. This includes specific types of uncomplicated (non-severe) infections, such as Cystitis, indicating its use is not limited only to severe issues.

How should Dolocef be stored and disposed of?

How to Store and Dispose of Dolocef (Cephradine)

Dolocef must be stored according to regulatory requirements to maintain stability and potency. The dry forms, including capsules and powder for suspension, require storage at temperatures not exceeding 30 C and must be protected from light, heat, and moisture.

The reconstituted oral suspension is stable for 14 days when stored under refrigeration (2 C to 8 C); any unused portion must be discarded after this period. All forms of this medication must be stored out of the sight and reach of children.

Disposal of unused or expired Dolocef should follow local regulations, with drug take-back programs being the preferred method. Medicines must not be flushed down the toilet or poured into a drain.

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

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