Dosage of Amoxicillin for Tooth Infections

A tooth infection is an unfortunate oral health issue, often causing symptoms such as a toothache, jaw ache, swollen gums, or pain during chewing. In such cases, health professionals may recommend antibiotics to suppress the infection effectively. One widely recommended antibiotic in the treatment of tooth infections is Amoxicillin.

Amoxicillin Dosage for Tooth Infections

The American Dental Association (ADA) advocates for the use of oral amoxicillin as a first-line treatment for tooth infections, given its wide-ranging effectiveness and minimal gastrointestinal side effects. The typical dosage, provided there is no allergy to penicillin, stands at 500mg, to be taken three times a day for a duration that lies within 3 to 7 days.

In instances where Amoxicillin does not yield the desired results, the ADA suggests the use of Oral Penicillin as a second option. The dosage is increased to 500mg to be taken four times per day for a span of 3 to 7 days.

However, it’s essential to note that while the general dosage of amoxicillin stands at 500mg every 8 hours or 1000mg every 12 hours, these prescriptions may be altered based on the severity of the infection or the patient’s age.

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Age-based Dosage

For adults, teenagers, and kids weighing more than 88 pounds, the common dosage is typically between 250-500 mg taken every eight hours or 500-875 mg every 12 hours. It is suggested that the medication should be taken at the same time each day to ensure optimal effectiveness.

Despite the adaptability of the dosage as per needs and conditions, it is paramount that the prescription of a professional healthcare provider is strictly adhered to. Compliance with the prescribed dosage aids in effectively managing the symptoms of tooth infections while preventing resistance to antibiotics.


Amoxicillin, due to its broad range of effectiveness and minimal side effects, is a frequently prescribed medication for tooth infections. However, the dosage may vary, necessitating a proper prescription from a health professional. It is crucial to stick to the prescribed dosage and timetable to ensure a successful treatment process.

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