Anti-biotic resistance

Antibiotic resistance refers to the capacity of bacteria to survive or grow despite exposure to concentrations of antibiotics that would normally inhibit or kill them

What is anti-biotic?

Antibiotics are substances produced by microorganisms or their derivatives that, in low concentrations, inhibit the growth of or destroy other microorganisms

Classification of antibiotics

Uses of antibiotics

  • Treatment of bacterial infections
  • Prophylaxis in surgery
  • Management of life-threatening infections

Mechanism of action:

ANTIBIOTICS
↓
Act on Bacterial Cell
↓

  1. Inhibit Cell Wall Synthesis
  2. Inhibit Protein Synthesis
  3. Inhibit Nucleic Acid Synthesis
  4. Inhibit Metabolic Pathway
  5. Damage Cell Membrane
    ↓
    Bacterial death / Growth inhibition

So what happens when antibiotics resistance occurs

ANTIBIOTIC RESISTANCE
↓
Bacterial Adaptation
↓

  1. Enzymatic Inactivation of Drug
  2. Alteration of Target Site
  3. Reduced Drug Entry
  4. Efflux Pump Activation
  5. Bypass of Metabolic Pathway
    ↓
    Antibiotic becomes ineffective

Causes of antibiotics resistance

  • Overuse of antibiotics
  • Incomplete treatment course
  • Wrong dose / wrong drug
  • Self-medication
  • Use in viral infections

Prevention of anti biotic resistance

**

  • Use antibiotics only on prescription
  • Complete full course
  • Correct dose & duration
  • Avoid self-medication
  • Maintain hygiene & infection control

Antibiotic resistance is a serious health issue caused by improper use of antibiotics. Responsible use and awareness are essential to prevent it.
What is your opinion on antibiotic resistance?

MBH/PS

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