Is Cephalexin good for Covid 19?

Cephalexin 500mg, Buy Cephalexin 500mg

Cephalexin is to treat bacterial infections such as pneumonia and other respiratory tract infections, as well as infections of the bone, skin, ears, genital tract, and urinary tract. Cephalexin 500mg belongs to the cephalosporin antibiotics class of drugs. It works by destroying bacteria.

Cephalexin treat conditions like:

  • strep throat, tonsillitis, strep throat, tonsillitis, strep throat, tonsillitis, strep throat, tonsillitis
  • an infection causes bacteria
  • influenzae infection of the middle ear
  • Streptococcus infection of the middle ear.
  • Moraxella catarrhalis infection of the middle ear.
  • Staphylococcus aureus infection in the middle ear


Cephalexin capsules are to treat infections by susceptible bacteria in order to reduce the development of drug-resistant bacteria. To maintain the effectiveness of Cephalexin 500mg capsules and other antibacterial medications. 

When culture and susceptibility information is available, it’s to select or alter antibiotic therapy. In the absence of such data, local epidemiology and susceptibility patterns may aid in the selection of medication on an ad hoc basis.

Dosage and Administration 

Adults and pediatric patients over the age of 15

  • Larger doses of oral Cephalexin capsules, up to 4 grams daily in two to four equally divided doses,  for more severe infections.

Children’s Patients (over 1 year of age)

  • For pediatric patients, the total daily dose of oral Cephalexin capsules is 25 to 50 mg/kg given in equally divided doses for 7 to 14 days. 
  • A minimum of 10 days is for the treatment of -hemolytic streptococcal infections. In severe infections, a total daily dose of 50 to 100 mg/kg in equally divided doses may be provided.
  • The recommended daily dose for the treatment of otitis media is 75 to 100 mg/kg divided into equal doses.

Dosage Forms and Strengths

250mg Capsules:

It comes in dark green opaque/white size “2” firm gelatin capsules with off-white granular powder inside. The dark green opaque cap says “A 42” and “250 mg” in black ink on the white body.

500mg Capsules:

In black ink, “A 43” is written on the dark green opaque cap and “500 mg” on the light green opaque body of dark green opaque hard gelatin capsules.


Cephalexin 500mg capsules are not for individuals who have a history of hypersensitivity to Cephalexin or other antibacterial medications in the cephalosporin class.

Drug Interactions

  • Metformin Administration of Cephalexin in conjunction with metformin leads in elevated plasma metformin concentrations and impaired renal metformin clearance.
  • Careful patient monitoring and metformin dose adjustment is advisable for in patients using Cephalexin and metformin at the same time.


Probenecid inhibits the renal excretion of Cephalexin 500mg. It is not to take probenecid with Cephalexin at the same time.

Interaction with Diagnostic or Laboratory Testing

When testing for the presence of glucose in the urine with Benedict’s solution or Fehling’s solution, a false-positive result may occur.

Cephalexin: Working Mechanism

Response and efficiency. Peak cephalexin concentrations are attained one hour after dose; however, it may take up to 48 hours for infection-related symptoms to subside.

What occurs when cephalexin is taken?

Warning about antibiotic-associated diarrhea: Almost all antibiotics, including cephalexin, can produce a response that results in diarrhea. This reaction might cause serious inflammation of your colon in addition to diarrhea. This reaction might be lethal in severe circumstances (cause death).

What people should not take cephalexin?

If you are allergic to cephalexin or any other cephalosporin antibiotic, you should not use it (cefdinir, cefadroxil, cefoxitin, cefprozil, ceftriaxone, cefuroxime, Omnicef, and others). Inform your doctor if you have ever had: a drug allergy (particularly to penicillin); or liver or kidney illness.

When is it not a good idea to take cephalexin?

Cephalexin is not recommended for persons who are allergic to it or any other medicine in the cephalosporin class. Discuss any prescription allergies with your healthcare professional before to taking cephalexin. 

Is cephalexin safe for people with heart disease?

Cephalexin is also sometimes used to avoid heart valve infection in certain penicillin allergic patients who have a heart disease. and are having a dental or upper respiratory tract (nose, mouth, throat, voice box) operation.

How long do antibiotics take to work for bacterial infections?

“In patients with bacterial infections, antibiotics often show relief within one to three days,” explains Kaveh. This is because the body’s immune response causes some of the symptoms of many illnesses. 

Is cephalexin more potent than amoxicillin?

Is cephalexin or amoxicillin more effective? Both antibiotics are efficient against the organisms they are designed to treat when properly dosed. 

Cephalexin’s wide range of organisms makes it useful in situations where amoxicillin doesn’t work, like mastitis and infections of the bones and joints.

What foods should you avoid when taking cephalexin?

Citrus juice, fizzy beverages, chocolate, antacids, and tomato-based items also like ketchup can all interfere with medication absorption. Avoid Dairy.

Conclusion:  Is cephalexin safe to take for Covid 19?

Cephalexin Inclusion in COVID-19 Treatment Combinations May Prevent Lung Involvement in Mild Infections: A Case Report with Pharmacological Genomics Perspective

Whereas, for Covid 19 Azithromycin (Zithromax) is a macrolide antibiotic that was being studied in clinical trials as a potential treatment for COVID-19 patients at the start of the pandemic. 

It was frequently tested in combination with hydroxychloroquine. The National Institutes of Health does not suggest hydroxychloroquine for the treatment of COVID-19 (NIH).

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