What are Antibiotics?

Antibiotics are also referred to as antibacterial.

Antibiotics are medications that either destroy or inhibit the growth of bacteria. This category of drugs include various powerful range of drugs used to treat diseases caused by bacteria.

Infections caused by viruses such as cold, flu, most coughs and sore throat cannot be treated with antibiotics.

human and animal antibiotics

Fast tract facts on antibiotics:

  • Alexander Fleming discovered antibiotics, which is first natural antibiotic.
  • Produced by fermentation process form strains of penicillium notatum.
  • Beta lactam ring present in most antibiotics.
  • Antibiotics cannot fight viral infections.
  • Fleming predicted that antibiotic resistance is also possible.
  • Side effects include diarrhea and sick feeling.

Antibiotics are most powerful medication that are used to fight against certain mild or severe bacterial infections.

Before antibiotics Bactria can multiply rapidly and produce disease symptoms, the body’s immune system counters or kills them. Our natural defense cells specially white blood cells attack harmful bacteria and even if infection occurs our immune system cope up and fight the infection. And when it’s all too much then there is need of antibiotics.


Penicillin first antibiotic, penicillin related antibiotics include ampicillin, amoxicillin and benzyl penicillin are widely used today to treat variety of infections.

Pills macro

Pills macro

How do antibiotics work?

There are different types of antibiotics but they work in two types of mechanisms:

  • A bactericidal antibiotic kills bacteria these drugs usually interfere with either the formation of bacterium’s cell wall or its cell content.
  • A bacteriostatic stops bacteria from multiplying.

Side effects:

Most common side effects include:

  • Diarrhea
  • Feeling sick
  • Fungal infections of mouth, digestive tract, and vagina
  • Kidney stones
  • Abnormal blood clotting
  • Sensitivity to sunlight
  • Blood disorders
  • Deafness
  • Inflamed bowel disease in some adults.
  • table of antibiotics

Contraindicated foods with antibiotics:

Milk and dairy products:

Consuming milk and dairy products while taking antibiotics interfere with their effects. They can even exaggerate symptoms of bacterial infections or either aggravating state of diarrhea which is side effect of antibiotics.


Alcohol is not recommended while taking antibiotics. They do not believe to interfere with antibiotics and side effects but effects of alcohol get prominent as dizziness and gastrointestinal problems.

Acidic foods:

Acidic foods include tomatoes, grapes, lemons, chocolates, grapefruits and soft drinks hinders the process of absorption of antibiotics and ultimately slow recovery.

High fiber foods:

High fiber foods include lentils, whole grains, beans, broccoli, bread are really healthy as they create the feeling of fullness in stomach and decreases appetite, but not healthy when taking antibiotics, as the hinder the absorption of antibiotics and slow their rate of action.

Iron and calcium supplements:

Iron and calcium supplements are contraindicated with antibiotics, as they interfere with the absorption of antibiotics. A gap of three hours between supplementation and antibiotics.

Fatty heavy foods:

Foods which are fatty in nature are usually heavy on stomach and are slowly absorbed and remain longer in stomach. Therefore, antibiotic absorption and rate is slowed and healing process is prolonged due to roadblock in antibiotic absorption and action.

March 10, 2018
antibiotics 2

What are Antibiotics?

What are Antibiotics? Antibiotics are also referred to as antibacterial. Antibiotics are medications that either destroy or inhibit the growth of bacteria. This category of drugs […]