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What is Cephalexin?

Cephalexin is a capsule that is an antibiotic prescribed by a medical expert for treating infections caused by bacteria. It is generally available as a brand-name drug Keflex. This medicine is likewise available as a generic remedy. However, the brand version is must costlier than the generic drug. Generic medicines are not manageable in all strengths like their brand version.

Uses of Cephalexin

Cephalexin is used in treating infections caused by bacteria. One of the infections caused by bacteria in the body is

  • Skin infection
  • Urinary tract infections (UTI)
  • Respiratory tract infections
  • Middle ear infection

Cephalexin is generally prescribed by doctors for inferring the formation of bacteria on the cell walls. These capsules help in rupturing the wall and killing the bacteria. This capsule is only used for ministering infections caused by bacteria. You should not engulf this capsule for treating infections caused by viruses such as the common cold or cough.

How does Cephalexin work?

Cephalexin comes under the class of medicines called cephalosporins antibiotics. This is a drug used for treating similar types of conditions. This antibiotic works by diffusing the formation of bacteria in cell walls. This breaks down the bacteria and kills them. This drug usually starts responding in your body within one hour of dosage. However, it may take more than 24 hours to act on an infected section.

Side effects

All antibiotics have some minor side effects. Cephalexin has also some minor side effects which include

  • Diarrhea
  • Indigestion
  • Stomach pain
  • Inflammation in stomach

These are some minor or common side effects of antibiotics, which may go away within some days.

The major side effects caused by Cephalexin 500mg are very low but if this symptom arises call your doctor and take a medical emergency as soon as possible.

  • Swelling of face
  • Swelling of tongue
  • Lips or throat inflammation
  • Trouble in breathing
  • Hives

Both major and minor side effects depend on the health condition of each individual. Side effects on the body vary differently in different people.

However, It is advised for a person to take a viable discussion with their health expert and share their medical history before taking this antibiotic.


Cephalexin is available in different forms and strengths. It is available in 250mg, 500mg, and 750mg respectively. Both are available in the form of an oral capsule.

Dosages are generally prescribed to a patient depending on the infection and age.

Cephalexin is an oral antibiotic capsule that is a short-term therapy for bacterial infection. It comes with many side effects If you do not take it under prescription. If you quickly break taking Cephalexin, then your infection may not get better or it will be worst. Always have your medications on time otherwise, they will stop working completely.

Sometimes you may miss taking your dose. Have your capsule as soon as you remember until your next schedule is a few hours before. To contest missed doses certainly do not take two dosages at a time. This could cause serious side effects like diarrhea, blood in your urine, vomiting, and stomachache.

Is Cephalexin a good antibiotic?

Cephalexin is good medicine, which belongs to a group of antibiotics called cephalosporins. It is used in treating bacterial infections such as chest infections, pneumonia, and UTIs (urinary tract infections). This medication is only available to a patient if properly prescribed by a registered doctor. This remedy is available in capsules and tablets. Cephalexin is also present in a liquid form for children or people who have trouble swallowing tablets or capsules. As it is an antibiotic medicine, it works quickly on the body. However, it is important to take this medication until prescribed by the doctor even if you feel better.

Precautions for Cephalexin

If some serious allergic reactions may occur under this medication, then consult with your health physician and discontinue taking the medication.

Never take this medicine without proper consultation with your doctor.

Before having, these medications have your medical tests done.

Say to your specialist about your medical history before having Cephalexin medicine.

The medical test may show you some reasons that may affect the medicine.

Never take medicine before conferring with your health professional. This discussion includes both non-prescribed and prescribed medicines.

If you are under medication or any other medicines like herbal or vitamin supplements talk to your doctor before having them.

People who are suffering from kidney dysfunction or have a history of kidney disease should not have this medication. As you have a kidney problem, you cannot clear out this drug from your body, which will increase the level of the drug in the body. The increase in Cephalexin may cause severe side effects to your body.

Mothers who are breastfeeding their children should not take this medication. The drug in the capsule may pass into the breast milk, which causes side effects for a child. Consult with your gynecologist if you feed your child. He or she will advise you to stop breastfeeding or stop having this medication.

The kidneys of older adults may not work accurately. Therefore, having this medication will increase the side effects, as these drugs will remain in the body for a longer time.

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