Carfecillin (Na)
Carfecillin (Na) is antibiotic and is used to treat bacterial infections. Antibiotics require constant drug level in body for therapeutic effect. This is achieve by taking the drug at regular interval of time throughout the day and night as prescribed. Carfecillin (Na) is important to take the drug for the full time period as prescribed. If you discontinue the drug it may result in ineffective treatment.
Primary Characteristics
It is of Synthetic origin and belongs to Penicillinate.
It belongs to Peptidoglycan synthesis inhibitor pharmacological group on the basis of mechanism of action and also classified in Antibiotic, Penicillin pharmacological group.
Molecular Weight: 476.5 · pKa: 2.9 · Non-proprietary name: Carfecillin (Na).

Pharmacokinetics
Absorption: Carfecillin (Na) has an oral bioavailability is 95%, pre-systemic (first-pass) metabolism accounts for 95% (±5%).
Distribution: Carfecillin (Na) has a volume of distribution is 0.17 l/kg. plasma protein binding is 50%.
Elimination: plasma half-life is 1.2 hr, renal excretion is >25%.
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Indications
Carfecillin (Na) is primarily indicated in conditions like Urinary tract infection.
Contraindications
Carfecillin (Na) is contraindicated in conditions like Bacteremia, Sepsis.
Dosage
Carfecillin (Na)'s dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 10.714 mg/kg | 10.714 mg/kg | Every 8h | PO | - |
| Paediatric Dosage (20kg) | ||||
| 15 mg/kg | 15 mg/kg | Every 8h | Oral | - |
| Neonatal Dosage (3kg) | ||||
| 15 mg/kg | 15 mg/kg | Every 8h | Oral | - |
Drug Interactions
None recorded.
Side Effects
Carfecillin (Na) produces potentially life-threatening effects which include Hypersensitivity rash. Careful monitoring is needed with proper medical management.
Carfecillin (Na) is known to cause more or less tolerable side effects which are usually transient. These include GI upset, Nausea, Vomiting .
Warnings / Precautions
Available Brands
None recorded.
Storage Conditions
Drug Classification
- 1.6.2.1.1 — Penicillins