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Cephalexin Antibiotic For Bacterial Infections

The Cephalexin Antibiotic- Key To Fighting Bacterial Infections

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Written By-Molly Wilson
 • Published: 21/05/2025
• Updated: 21/05/2025

Cephalexin, or its common generic ingredient, Cephalosporin, is a common antibiotic to cure different bacterial infections that may affect different parts of your body. Under the action of this pill, it helps stop the growth of the infection and kills the harmful bacteria, which makes the patient feel well again.

▪️ Common Brand Name(S): Keflet, Keflex, Keftab

▪️ Common Generic Name(S): Cephalexin, Cephalexin Hydrochloride

▪️ Drug Classes: Cephalosporin Antibiotic

▪️ Availability: Prescription Only, Generic Available

The good part about Cephalexin is that it comes in many forms. For example, you have the normal pills easily available. However, apart from this it also comes in capsule form, which can give faster action. It is possible to use this antibiotic for children as well until they are at least 6 years old or more. For them, you have the suspension form, which is a liquid and can be administered directly.

Before Using Instructions For Cephalexin

The Cephalexin antibiotic– key to fighting bacterial infections is important for anyone who has signs of a bacterial infection. Although the doctors will give you an idea about the ways to use the medicine and caution tips while taking it, there are a few before-use instructions that you need to keep in mind as well.

For example, here are a few things that you need to check out.

➯ Using The Right Dose

It is important to diagnose the type of bacterial issue you have and how severe it is. Doctors must measure just the right amount of dose so that it can give the best action without causing any form of side effects.

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In case your child needs it, the doctors will confirm the age of the child and give a suitable dose based on the weight.

➯ Use For Older People

Most often, the doctors may check your age even if you are an adult. In addition, if your age is more than 60 years the doctors may limit the strength of the pill and avoid giving a higher dose right from the beginning. The doctors will also monitor the amount of dose and may change it from time to time.

Interactions Of Cephalexin

As per studies, it has been found that Cephalexin may interact with certain items whether it is a drug or any other substance. In case an interaction occurs, it is possible to end up with mild or even worse side effects. Let us take a look at some of the substances which interacts with this antibiotic medicine.

🥂 Alcohol

Alcohol studies find it unsafe for people who are alcohol addicts. If you have years of addiction to this substance it is possible to end up with a couple of side effects like

  • Headache
  • Dizziness
  • Nausea
  • Stomach cramps
  • Vomiting
  • Diarrhea

You have to mention your alcohol intake habits to the doctors. It is only safe to use this medicine given that you stop using alcohol during the term of using this medicine.

💊 With Other Medicines

Studies have also found that Cephalexin may interact with a couple of other types of medicines. It is necessary to tell you about what other medicines you are using and the type of health disorder being cared for.

At times, the interaction may not be that severe with other drugs, but even in this case the doctors will strictly monitor the dose and tell you to use a smaller dose variant only.

On other occasions, as you are, using other medicines to cure more severe health problems it may not be safe to use even the smallest dose of this antibiotic.

Here is a list of some types of drugs and brands with which the interaction chances are high-

  • Dovetailed
  • Medicine or vaccines for cholera
  • Methotrexate
  • Probenecid
  • Warfarin, which is a type of blood thinner
  • Cholestyramine

🍔 Food Interactions

The medicine may interact with the types of food you normally take in your diet. It is better to change your diet and take only bland and easily digestible food items at the time of using this medicine. The doctors will warn you to take in rich and fatty food items with high calories, carbs, and fats in them.

Risks Of Using Cephalexin With Other Health Issues

Even the presence of other health issues may not make it safe to use Cephalexin. You must open up clearly in case you have other health problems. The doctors may check lab reports and conduct a few diagnostic tests to find out more about these present health issues.

As per research, it has been found that this medicine may not be safe to use when you have-

  1. Colitis is a form of inflammation disorder in the gut.
  2. Diarrhea
  3. Seizures, and in case you are using medicines to control it.
  4. Severe kidney infections or for people who are undergoing dialysis.
  5. For liver disorders, in this case, the doctors will limit the amount of dose to be used.

Proper Use For Cephalexin

Since you have to fully cure the bacterial infection, it is necessary to use the medicine daily. If you miss it every few days, it may take longer than usual to truly get cured of the infections.

It is also important not to increase the strength or frequency of using Cephalexin as this may cause overdose and ultimately side effects.

So, in case you are using the pills or the capsules, only take a single medicine or as the doctor’s advice you to.

In addition, in case you are using the suspension form for children or senior citizens, it is better to measure the amount of liquid using a standard teaspoon to just give the right dose.

Storage

Cephalexin is not one of those special medicines, which needs to be stored in a fridge. You can easily keep it in the normal room temperature environment but not when it is too humid.

Some Caution Tips And Words Of Advice

Do not stop taking this medicine only based on the symptoms as they may recover within a few days. However, this does not mean that you must stop taking the pills.

In case of side effects like blisters, peeling of skin, formation of lesions, hives, and rashes on skin it is better to tell the doctors as these are signs of allergic effects.

Final Thoughts

So, as you can see, Cephalexin is the key to curing different forms of bacterial infections. Get in touch with your doctors right now if you see any signs of bacterial infection.