Cephadex 500 mg (Cephalexin)

Description

Cephadex 500 mg is a cephalosporin antibiotic commonly used to treat bacterial infections. This detailed guide provides essential information on the medication, including its uses, dosage, side effects, interactions, and precautions.

Introduction to Cephadex 500 mg

Cephadex, also known by its generic name cephalexin, belongs to the first generation of cephalosporin antibiotics. It is effective against a broad spectrum of gram-positive and some gram-negative bacteria.

Uses of Cephadex 500 mg

Cephadex is prescribed for treating various bacterial infections, including:

• Respiratory Tract Infections: Bronchitis, pneumonia
• Skin and Soft Tissue Infections: Cellulitis, abscesses, wound infections
• Urinary Tract Infections (UTIs): Cystitis, pyelonephritis
• Bone Infections: Osteomyelitis
• Ear Infections: Otitis media

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Mechanism of Action

Cephadex works by interfering with the formation of the bacteria’s cell wall, causing it to rupture and ultimately leading to the death of the bacteria. It binds to specific penicillin-binding proteins inside the bacterial cell wall, inhibiting the final transpeptidation step of peptidoglycan synthesis.

Cephadex 500 mg Dosage and Administration

• Standard Dose: The typical adult dose is 250 mg to 500 mg every 6 to 12 hours, depending on the severity and type of infection.
• Pediatric Dose: For children, the dose is usually based on body weight, typically 25 to 50 mg per kg of body weight, divided into multiple doses.
• Duration of Therapy: Treatment duration varies from 7 to 14 days, depending on the infection.

What are the Side Effects of Cephadex 500 mg?

Common side effects of Cephadex include:

• Gastrointestinal: Nausea, vomiting, diarrhea, abdominal pain
• Dermatological: Rash, itching, hives
• Neurological: Dizziness, headache
• Others: Fatigue, fever

Though rare, some serious side effects may occur:

• Allergic Reactions: Severe rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing
• Clostridium difficile-associated Diarrhea (CDAD): Persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool

Interactions

Cephadex can interact with other medications and substances:

• Probenecid: Increases cephalexin levels in the blood.
• Live Bacterial Vaccines: The effectiveness of live bacterial vaccines, such as the typhoid vaccine, may be reduced.
• Lab Tests: This may cause false positive results with certain diabetic urine testing products (cupric sulfate-type) and false negative results with the Coombs’ test.

Precautions

Before taking Cephadex, inform your doctor if you have:

• Allergies: If you are allergic to cephalexin, other cephalosporins, or penicillins.
• Medical History: Kidney disease, intestinal disease (colitis), liver disease.
• Pregnancy and Breastfeeding: Consult your doctor if you are pregnant or breastfeeding.

Storage

• Temperature: Store at room temperature between 20-25°C (68-77°F).
• Environment: Keep away from light and moisture. Do not store it in the bathroom.
• Accessibility: Keep out of reach of children and pets.

Missed Dose

• Instructions: Take the missed dose as soon as you remember. If it is near the time of the next dose, skip the missed dose. Do not double the dose to catch up.

Cephadex 500 mg Overdose

• Symptoms: Symptoms of overdose may include severe nausea, vomiting, stomach pain, diarrhea, and blood in the urine.
• Action: Seek immediate medical attention or call a Poison Control Center.

Other Pills: 

Cephadex DT 250 Mg | Azee 250 mg | Azee 500 mg | Azipro 250 mg | Zpack 500 mg | Cipmox 250 (Amoxicillin)