Keflex
Cephalexin
Ingredients & Drug Type
Keflex is listed as Antibiotic containing Cephalexin. An antibiotic used for selected bacterial infections; it does not treat viral colds.
- Active ingredient
- Cephalexin
- Therapeutic class
- Antibiotic
- Dosage form
- Capsule
- Strength
- 500mg
Dosing
- Adult
- 250–500mg كل 6 ساعات
- Pediatric
- 25–50 mg/kg/day مقسمة على 4 جرعاتMin age: 0 شهور
- Max daily
- 4g
- Frequency
- كل 6 ساعات
- Duration
- 7 أيام
- Route
- oral
- Common catalog dose: 500mg.
- Frequency: كل 6 ساعات.
- Typical duration: 7 أيام.
- Route: oral.
- Do not exceed: 4g.
- The final dose depends on diagnosis, age, weight, kidney/liver function, pregnancy status, and other medicines.
- Use the dose written by your doctor or pharmacist; this page is educational and not a personal prescription.
Medical Overview
Keflex is listed as Antibiotic containing Cephalexin. An antibiotic used for selected bacterial infections; it does not treat viral colds.
Keflex (cephalexin) is the trusty first-generation cephalosporin — the classic choice for uncomplicated skin/soft-tissue infections and simple UTIs, with an excellent pregnancy safety record. Frequent dosing (3-4×/day) is the deal: set reminders and finish the course.
Uses / Indications
- Skin infections
- ear infections
- streptococcal pharyngitis
- simple urinary tract infections
- Bacterial infections selected by a clinician based on infection site and likely organisms.
Side Effects
- Diarrhea
- nausea
- rash
- Upset stomach, diarrhea, or rash; allergy symptoms or severe diarrhea require urgent advice.
Contraindications
- Hypersensitivity to cephalosporins
- Previous allergy to the same drug class or a serious antibiotic reaction.
Warnings
- التزم مواعيد جرعاته المتقاربة — انتظامها سر فعاليته القصيرة العمر. أكمل الكورس. التهاب الجلد المنتشر بسرعة مع حرارة وألم شديد قد يكون أعمق من مضاد فموي — لا تتأخر عن الطبيب. احجز تقييمك عبر كلينكس جو.
- Complete the prescribed course and never use leftover antibiotics or another person’s prescription.
Drug Interactions
- قليل الدسائس: البروبينسيد يرفعه
- الميتفورمين قد يرتفع قليلاً معه (مراقبة رمزية)
- وحبوب منع الحمل: الاحتياط الإضافي المعتاد.
- Tell your clinician about blood thinners, contraception, heart medicines, seizure medicines, and other antibiotics.
Patient Guidance
- Do not start an antibiotic without a prescription.
- Seek care for allergy, breathing difficulty, swelling, or severe diarrhea.
- Stopping early can increase bacterial resistance.
Before Using This Medicine
Tell your clinician before use if you have
- Any previous allergy to this medicine, its class, or any ingredient.
- Pregnancy, breastfeeding, planned pregnancy, or fertility treatment.
- Kidney, liver, heart, stomach ulcer, bleeding, epilepsy, or chronic disease history.
- Regular medicines, supplements, herbal products, or alcohol use.
Seek urgent care if you notice
- Breathing difficulty, face or throat swelling, severe rash, fainting, or chest pain.
- Severe diarrhea, black stools, vomiting blood, yellow eyes, confusion, or unusual bleeding.
- Any symptom that feels severe, new, or rapidly worsening after taking the medicine.
Need a prescription or advice about Keflex?
Don't self-medicate. Book an appointment with a Internal Medicine specialist on ClinicsJo — instant and free.
Storage & Manufacturer
- Storage:
- Store at room temperature away from heat, moisture, and direct sunlight unless the package label says otherwise.
Trusted Medical Sources
Use these references to verify official labeling, patient information, therapeutic class, dosing cautions, contraindications, and safety updates.
Common Questions
What is Keflex?
Keflex contains Cephalexin and is categorized as Antibiotic. Its exact use depends on diagnosis and the official product label.
What is the dose of Keflex?
Catalog dosing information includes: 250–500mg كل 6 ساعات. The personal dose must be confirmed by a doctor or pharmacist.
What warnings matter before using Keflex?
Check allergies, pregnancy or breastfeeding, chronic disease, and all current medicines before use. Seek urgent care for severe allergy or rapidly worsening symptoms.
How should Keflex be stored?
Store at room temperature away from heat, moisture, and direct sunlight unless the package label says otherwise.