Difference Between Antibiotics and Steroids (With Table)

We all must have come across these terms antibiotics and steroids in our life and I am sure that most of you have taken antibiotics in your life whenever you have suffered any kind of illness. However, one thing that you must know is that you should not take these unnecessarily or without any kind of prescription.

One should consult with a physician before taking any kind of medicine or any other medical stuff. Antibiotics and steroids are two very significant drugs for treating different kinds of treatments. Antibiotics are substances that stop the growth of bacteria. It is prescribed whenever there is a cause of infection.

Steroids, on the other hand, are used for treating allergic conditions and also for curing inflammatory. Steroids can perform things that an antibiotic cannot perform and antibiotics can perform some things that steroids cannot perform.

Antibiotics vs Steroids

The difference between antibiotics and steroids is that antibiotics are anti-bacterial to kill or stop the growth of bacteria or infections whereas steroids, on the other hand, are inflammatory and anti-allergic. There are certain differences between antibiotics and steroids as they have different properties, structures, and also have a different physical approach to the human body.

Comparison Table Between Antibiotics and Steroids

Parameters of ComparisonAntibioticsSteroids
DrugsBoth antibiotic and steroids are drugs and is used for treatment purposes.Steroids are also drugs used for treatment and illness.
Used forAntibiotics are used for treating infections.Steroids are used for anti-inflammation and for allergies.
Side effectsAntibiotics kill the good bacteria that can lead to affecting the immune system.Steroids can have some side effects too like indigestion or difficulty in sleeping.
MisuseMisusing can have intense affects.Steroids can also have intense side effects when misused.

What is Antibiotics?

Antibiotics are nothing but are a certain type of drug used for medicinal or for treatment purposes. Whenever a person is suffering from an infection due to bacteria then most physicians recommend or prescribe antibiotics to them.

Well, this is because antibiotics stop or prevent the growth of bacteria in a certain part of the body. This is why antibiotics are used widely for treating infections. Antibiotics and steroids are completely different from each other because they have different properties and unnecessary consumption will do no good to your body.

Some examples of antibiotics are penicillin, cephalosporin, quinolone, and sulphonamide. Antibiotics are only capable of healing bacterial illnesses and a not non-bacterial illnesses like a common cold. Other than that antibiotics are prescribed frequently by most doctors but if misused then it might affect your immune system.

Now, antibiotics have some effects too when it enters your body because antibiotic not only kills the bad bacteria but along with it some good bacteria are also killed. These good bacteria are responsible for producing certain types of vitamins inside our body.

Other than that the good bacteria also help fight tumours, lower the level of high cholesterols, and also these bacteria are responsible for improving our digestion. Well, if the good bacteria are killed then side effects occur in the neurological, immunological, and endocrinology problems.

Antibiotics should be consumed when it is necessary the most and not frequently without any reason. Therefore, next time be careful and take care of your health.

What is Steroids?

Steroids, on the other hand, are also a type of drug used for treating certain types of illness. They are prescribed to those patients to treat inflammatory and some kinds of allergic conditions. Steroids and antibiotics are not the same at all because there is a huge difference in their effects when they are inside our body.

There are some functions that only steroids can do and some certain functions of antibiotics are only present in antibiotics. Now, steroids can be of many types like sex steroids, corticosteroids, and anabolic steroids.

Since there are different kinds of steroids so they are used for different kinds of uses too. The sex steroid will improve or correct the hormonal imbalances in our body and they must be consumed when it is prescribed by a physician otherwise not necessary. The anabolic steroid is a type of steroid that is prescribed for boosting strength for bone and muscle.

Many gym going people consume anabolic steroid for this purpose only to increase the muscle and bone synthesis and also for boosting strength. However, most steroids fall under the corticosteroids steroid as it is responsible for regulating or controlling metabolism, the functioning of the immune system, the volume of blood, and other such things.

Main Differences Between Antibiotics and Steroids

  1. Both antibiotics and steroids are drugs and are used for medical or treating purposes.
  2. Antibiotics kill or stop the growth of bacteria causing infections in our body.
  3. Antibiotics kill even the good bacteria that can be harmful to our body because it affects the immune system of our body.
  4. Steroids are of three types but most steroids fall under corticosteroids.
  5. Both antibiotics and steroids when misused can have side effects on our bodies.


In the end, it is your health that matters the most because if you keep yourself healthy by making sure that you consume healthy food and exercising daily then there would be no problem inside your body. If you keep yourself healthy then there will be no need for taking any kind of medicine but whenever there is a problem then you must make sure that you visit a doctor or a physician.


  1. https://pubmed.ncbi.nlm.nih.gov/1886418/
  2. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2273.1991.tb01963.x
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