Why most bacterial antibiotics are not effective against viruses?

Answer 1

because drugs that are used to kill bacterium destroy the cell membrane of the bacteria.

Viruses do not have a cell wall. Viruses enter you cells and anti biotics (which kill bacteria) have to destroy your cells to destroy the virus

Answer 2

Antibiotics are used to treat bacterial infections. They work by attacking a different part of the bacteria to help the immune system get rid of the infection. The parts of bacteria are different from viruses, so the drugs wouldn't work on a virus. Likewise, drugs that work on certain viral or bacterial parts wouldn't work on bacteria or viruses that don't have that specific component.

Answer 3

Bacteria are living prokaryotic cells. Their membrane is made of murein. Mold has external digestion. Our stomachs contain HCl, but mold has an alkaline substance. Digestion is exterior for mold. First, it melts food and after that it is absorbed. Antibiotics were discovered while bacteria were being studied. Some microscope slides with bacteria got rotten. Scientists noticed that bacteria kept disappearing. The alkaline digestion substance has the quality of melting murein. This digestion substances we call ANTIBIOTICS. Check this word out. anti=against, bios=life.

They kill the living things inside us.

A virus is not a living thing. It is DNA or RNA muffled in a protein coat(no membrane, plasma, metabolism, breathing, producing energy, reproduction). Since they are not able to generate new viruses, when they infect a cell they convince it to multiply it. Its acid and its proteic coat. The cell uses its own protein and systems to create virus copies. At a certain point, cells die and release more viruses. An antibiotic cannot kill viruses because they are not alive and have no murein membrane.

Some viruses, while being copied by the host cell, they are copied with a mistake, thanks to some genes they have. That's why it's possible to have the flu more times than just one time. The only way you get rid of viruses is your own antibodies and natural immunity provided by blood and ganglions.

Some times, viruses can get inside the nucelus of the cell they infect. Each virus can only infect ONE type of cell and only one. They are not rejected by their nucleus because they are recognised as bits of chromosomes. That's why they can only infect their kind of cell.

Hope I helped!

Sources: 16 and smart xD

Answer 4

Because the virus does not have a metabolisms of its own and it has very few biochemical pathways