Critinem 1gm Injection

Side Effects of Critinem 1gm Injection

Skin rashes, urticaria, eosinophilia, fever, nausea, vomiting, diarrhoea, tooth or tongue discoloration and altered taste. Erythema multiforme, exfoliative dermatitis. Pain and thrombophlebitis may occur at the inj site. Potentially Fatal: Stevens-Johnson syndrome, toxic epidermal necrolysis.

Drug Interactions

Concurrent admin with probenecid may increase the half-life of cilastatin. Increased risk of generalised seizures when used concurrently with ganciclovir.

Contraindications

Hypersensitivity.

Mechanism of Action

Imipenem is a potent inhibitor of bacterial cell wall synthesis and is bactericidal against a broad spectrum of pathogens. It is resistant to degradation by bacterial β-lactamases. Cilastatin is an inhibitor of dehydropeptidase I, an enzyme found in the brush border of the renal tubules. It is given as the sodium salt with imipenem to prevent its renal metabolism and protect against nephrotoxic effects. Absorption: IM admin: 60-75% (imipenem); 95-100% (cilastatin). Distribution: Rapidly and widely distributed to most tissues and fluids. Protein binding: 20% (imipenem) and 40% (cilastatin). Metabolism: Imipenem: Metabolised renally by dehydropeptidase I; cilastatin: Partly metabolised renally. Excretion: Via urine (about 70% as unchanged drug). Half-life: 2-3 hr (imipenem after IM admin).

Special Precautions

Caution when used in patients with known hypersensitivity to other β-lactams due to possibility of cross-sensitivity. CNS disorders such as epilepsy; renal, hepatic impairment; pregnancy, lactation.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

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