Antibiotic medicine

Index

1. Definition
2. Introduction
3. Classification
4. Types
5. Use

Definition of antibiotic

• Antibiotic word derived from to Greek word.
• Anti = Against 
• Bios = Life

"It means antibiotic are those drug which work against bacterial life."

• Antibiotic are chemical substance or compound which is produced by various species of bacteria.
• This antibiotic kill or inactive the growth of different bacteria.

Classification of antibiotic

1. Bases on Chemical structure
2. Bases on Spectrum of activity
3. Bases  on Mechanism of action
4. Bases on Mode of action 
5. Bases on Sources

Based on the Chemical structure

• Based on chemical structure antibiotic are two type.

1. Beta - Lactam  Antibiotic
2. Non Lactam Antibiotic

Beta - Lactam Antibiotic

• In this type of antibiotic present beta Lactam ring.

Example :-

• Penicillin
• Ampicillin
• Cephalosporin

Beta - Lactam Antibiotic uses

• Meningitis
• Pneumonia
• Gonorrhea
• Syphilis

Non Lactam Antibiotic

• In this type of antibiotic beta - Lactam ring is not present.

Example :-

• Streptomycin
• Neomycin
• Gentamycin
• Amikacin
• Doxycycline
• Rifampicin
• Erythromycin

Non Lactam Antibiotic uses

• Pyogenic Infection
• Liver disease
• Lung Infection
• Tuberculosis Infection
• Skin Infection
• Abdominal Infection

Based on the Source 

• On the bases of Source Antibiotic are two  type.

1. Natural Antibiotic
2. Semisynthetic Antibiotic 

Natural Antibiotic

• These type of antibiotic are obtained from natural sources.

Example :-

• Penicillin = Penicillium Notatum
• Erythromycin = Streptomyces Erythreus

Semisynthetic Antibiotic

• This type of antibiotic are prepare by adding commercially chemical compound in natural compound.

Example :-

• Ampicillin 
• Amoxicillin

Based on Spectrum of activity 

• Spectrum of activity means how much capacity antibiotic has to kill or suppress growth of bacteria.
• According to spectrum activity antibiotic are two types.

1. Narrow spectrum antibiotic
2. Broad spectrum antibiotic

Narrow Spectrum Antibiotic

• This antibiotic is a specific antibiotic it means it is only work against specific bacteria.

Example:-

1. Streptomycin
2. Erythromycin

Broad Spectrum Antibiotic

• These antibiotic work large number of pathogen it is also effect virus.

Example:-

• Tetracycline

Based on Mode of action

• According to mode of action antibiotic are different types.

1. Bactericidal  Antibiotic
2. Bacteriostatic Antibiotic
3. Antifungal Antibiotic
4. Antivirus Antibiotic

Bactericidal Antibiotics

• This type of antibiotic use for killing of bacteria.

Example:-

• Cephalosporin
• penicillin
• Cotrimoxazole

Bacteriostatic Antibiotic

• This type of antibiotic is stop the growth of bacteria as well as sports.

Example:-

• Tetracycline
• Erythromycin
• Lincomycin

Antifungal Antibiotic

• This type of antibiotic is kill or stop the growth of fungi ( the plural of fungus ).

Example:-

• Griseofulvin
• Amphotericin

Ketoconazole
Antivirus Antibiotic

This type of antibiotic used to treat viral infections.

Example:-

• Zidovudine

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