Medicines are one of the most important things for healing and being well. There are many medicines on the market to cure different diseases. Similarly, when we are facing tooth infection doctors recommend cephalexin for tooth infection. Toothache is highly common and anyone can face it easily. The problems like cavities and gum infections are spreading due to our food choices. So, this medicine is a great prescription around the world. 

It was the most commonly prescribed by the doctor for infection in the USA. In CANADA it was ranked 5th most usable antibiotic in 2013. Its trade names are Keflex and ceporex. Before using cephalexin we should have knowledge of why we are using cephalexin for toothache or gum infection. 

There are some side effects of this medicine as well. Just like penicillin which can come with skin rashes, infection, and even pain. This medicine is available in tablets, liquids, and capsules. You can check out the dosage information before you take it to ensure you are safe. A lot of people take medicine in pain without a prescription. It is also highly important that you take it at the same time as prescribed. 

If you have missed a medicine, do not take 2 at a time. It can cause reactions that are not good for your health. If you feel any pain or irritation after that, go to a doctor immediately. 

Cephalexin For Tooth Infection

Cephalexin For Tooth Infection

Infection is a common illness experienced by humans and tooth infection is one of them. Common in people with poor oral hygiene, tooth infections are disturbing rather than life-threatening. Cephalexin is an antibiotic commonly used to treat infections including tooth infections. It is like a cousin of penicillin and like penicillin, it kills the bacteria causing tooth infections and tooth abscesses.

cephalexin 500mg used for abscess tooth 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 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 during pregnancy and breastfeeding.

Cephalexin is a commonly prescribed medicine for tooth infections and abscesses, chest infections, urinary tract infections, and skin infections.

Although it’s a commonly prescribed medicine and easily available in medical stores, it should not be taken without a doctor’s advice as it may cause more damage than good if wrongly used.

How To Take Cephalexin?

cephalexin 500mg used for abscess tooth 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 You Avoid When You Are Taking Cephalexin?

Acid foods like carbonated drinks, chocolates, and too much spicy junk food 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 for cephalexin prescribed 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 500 mg 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

Cephalexin For Tooth Infection Dosage

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


  For high infection, it may be treated.

  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 consultation 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. Tell your doctor whether you are pregnant or breastfeeding.

Benefits of Cephalexin For Oral Hygiene:

Benefits of Cephalexin For Oral Hygiene:

A lot of us are suffering from bacterial infection and it is totally common. There are a lot of things that you can do like going to the dentist and taking medications. But, you must try or even your doctor might suggest Cephalexin as it is an antibiotic medicine that will help with the pain. It ensures that bacteria do not form on your teeth. It will help to show symptoms before you can even take care of it. 

It belongs to the class of first-class antibiotics which includes amoxicillin and penicillin. But, some people have severe allergies so make sure that you check before use. Dentists prescribe this medicine to patients after a root canal or severe pain in the gums. 


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 face these problems after using Cephalexin.

Is Cephalexin Stronger Than Amoxicillin?

A lot of people ask this question and whether they can take them as a replacement. If the other medicine gets short or something. Firstly, both are highly effective when it comes to germs that cover your organs or in this case your teeth. So, under the doctor’s prescription, you can use them easily.

What Side Effects Can Cephalexin Cause?

Side effects of cephalexin range from mild effects like nausea, vomiting, abdominal pain, skin rashes, and joint pains to serious side effects like allergic reactions, anemia, jaundice, large intestine infections, and kidney damage. Severe side effects are however rather uncommon.

Can I take Cephalexin If I Have an Allergy To Penicillin?

If you had an allergic reaction to penicillin, then you should not use cephalexin and other cephalosporins either. Use other antibiotics like erythromycin and clindamycin.

Can I Take Cephalexin During Pregnancy?

Cephalexin is the category B of US FDA pregnancy medicines. It is safe to use in pregnancy but you should consult with an OBGYN and physicians before use.

Amoxicillin or Cephalexin, Which Is Better?

No doubt both are strong antibiotics. But which antibiotic is better depends on the type of bacteria causing the infection. Amoxicillin works better on some bacteria while cephalexin 500mg used for abscess tooth works better on others. In case of tooth infections, amoxicillin is preferred over cephalexin.