Medicines are one of the most important things for healing and being well. There are many medicines on market to cure different diseases. Similarly, when we are facing tooth infection doctors recommend us cephalexin for tooth infection

It was the most commonly prescribed by the doctor for infection in the USA. . Its trade names are Keflex and ceporex. Before using cephalexin we should have knowledge that why we are using cephalexin for the tooth infection?

Cephalexin for Tooth Infection

Cephalexin is an antibiotic that is used to cure bacterial infections. Especially, when there is an infection in the skin, chest, urinary tract, throat, and dental infections. So when there is a problem of a tooth abscess and gum infections doctors recommend cephalexin. 

Cephalexin kills bacteria in the mouth that causes tooth abscesses and gum infections. It is suitable for all men, women, and children who are not allergic to antibiotics. People who are having mild or moderate allergies to penicillin can use cephalexin. It is quite safe for women to use in pregnancy and breastfeeding.

How to Take Cephalexin

Cephalexin comes in capsule, tablet, and liquid suspension and can be taken after your meal. The best result can be achieved after 14 days of regular use.

What Should Avoid When You Are Taking Cephalexin?

Acid foods like carbonated drinks, chocolates, too much spicy junk food so that may not affect your stomach at all.

How much cephalexin should I take for a tooth infection?

It depends on your age and how many infections you are facing in your teeth. Follow all directions of cephalexin prescribe by your doctor. If people feel no relief from pain even after 48 hours then the dosage can be high. It may be increased from 250mg to 500mg. Or 500mg to 100mg. Skipping dosage can also cause high infection and this infection may lead to cold and common flu also.

Cephalexin for Tooth Infection Dosage

CHILDREN  Treated with 25-100 mg per day
ADULT 250 mg every 6 hours

500mg after 8 hours

After 3 days if an infection is not cured by cephalexin concern your doctor again.

If you take a high dosage without the doctor’s permission it may cause many other problems. Like fever, skin infection, blood infection, severe stomach pain, pale color, and weakness.

Is Cephalexin Good for Tooth Infection?

Yes, cephalexin is good for tooth infections like tooth abscesses and gum infections. It quickly works against infection and gives relief from severe pain. It will kill all bacteria in the mouth as it starts working even after one hour. But, one should not take this medicine without the consult of a doctor. 

Warning for This Meditation

Before taking this medicine discuss all the allergies and other medicines you are taking at that time. Describe your problem and allergies with antibiotics properly with your doctor. So tell your doctor that whether you are pregnant or breastfeeding.


Some people may face discomfort after using Cephalexin for tooth infections like

  • Vomiting
  • Nausea
  • Headache
  • Stomach problem
  • Blood infection

Many of these side effects can be temporary and may not cause a severe problem. If you are facing these problems stop taking Cephalexin and concern your doctor again. According to research only 1% of people facing these problems after using  Cephalexin