Amoxicillin : Indication, Dosage, Side-effect


In this blog, I give you information about amoxicillin antibiotic. Amoxicillin is used to treat many bacterial infections.

Antibiotic means medicine which inhibit growth or destroy bacteria. There are many antibiotics available today in market. It is differenciate under groups. Penicillin group contains antibiotics like amoxicillin, ampicillin, cloxacillin, piperacillin, etc.

amoxicillin antibiotic
amoxicillin structure

amoxycillin antibitic

Amoxicillin comes under penicillin group of antibiotics. This contain is widely used to treat many bacterial infections. In pediatric patient amoxicillin is commonly used.

Amoxicillin was discovered in 1958 and come into commercial use since 1972. As per World Health Organization, it is saffest, effective and most essential antibiotic. In 2017, it was the 18th most commonly prescribed medication in the USA, with more than 27 million prescriptions.
Here, we learn


We learn here, disease conditions from head to toe so in that order we can remember easily.

  1. Brain
    listerial meningitis
  2. Mouth 
    any bacterial infection
  3. Ear
    otitis media
  4. Respiratory system
  5. Heart
  6. Abdomen
    peptic ulcer, billiary tract infection, spleen disorder, intestinal infection like typhoid
  7. Others
    Gonorrhoea, urinary tract infection (UTI)
    Bone & joint & skin infections

Amoxicillin works in two ways. First it kills bacteria directly & second it inhibit bacterial wall synthesis. This way it kills bacteria & save us from bacterial infections. Amoxicillin kills so many bacteria. Here I am giving few names of bacteria, as mention below.

  • H. Streptococci
  • S.pneumonia
  • B.anthracis
  • Clostridium
  • Salmonella
  • Pseudomonas
  • Klebsiella

Go To List 


When you choose the medicine for particular disease, next challenge is to give in proper dosage.

Dosage is : approx 30 to 40mg/ KG/ day in three divided doses.

For eg.

10 KG child  – 125mg three time in a day

20 KG child – 200mg three time

40kg or more – 500 mg twice or three time in a day

This way dosage is calculate. If weight is more than 40KG, dosage is given same as above mention.

Onset of effectwithin 30 minutes. Go To List


Each & every molecule which have effect, it has also side-effect.We can not deny adverse effect or side-effect.But it is not happen to everybody, it only occurs to someone who have sensitivity to particular molecule.

It is patient’s responsibility that they should bring sensitivity report with them if any, while consulting doctor.

If adverse effect occur, that may like as below.

  1. Diarrhoea
  2. Nausea, vomiting
  3. Allergic – swollen mouth, itching, rashes

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It is available in market with many brands.

  • Mox made by Sun pharma
  • Bluemox made by bluecross
  • Hipen made by zydus cadila
  • Augmentin made by GSK
  • Sensiclav made by macleods

It available in many strenth as below

  • 100mg drops
  • 125 mg tablet
  • 200 mg liquid
  • 250 mg tablet, capsule
  • 500 mg tablet, capsule

Go To List

Hope you like the article. Kindly message or mail me, for any kind of health related query. To watch video of above content, click below link.