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Investigate the Treatment of Infectious Diseases

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Presentation on theme: "Investigate the Treatment of Infectious Diseases"— Presentation transcript:

1 Investigate the Treatment of Infectious Diseases
Drugs used in treatment of infectious diseases BT06.03

2 Drugs used for treatment of bacterial diseases
Drugs used for treatment of bacterial diseases can be grouped into categories based on their modes of action Examples: Penicillins/Cephalosporins interfere with certain layers of the cell wall Chloramphenicol Tetracyclines, Erythromycins-may be toxic when used in high doses or prolonged periods of time Rifampin-used for treatment of TB

3 Drugs that Inhibit Viral Infections
Drugs that effectively inhibit viral infections are highly toxic to host cells because viruses use the host’s metabolic enzymes in reproduction Examples: Antiviral drugs target virus-specific enzymes ACYCLOVIR-used in treatment of genital herpes AMANTIDINE (Tamiflu)-used to prevent or moderate influenza AZT-inhibit replication of HIV genome

4 Development of Drugs Development of drugs used to treat fungal, protozoan & helminthic disease are also highly toxic to mammals Examples: Azole derivatives inhibit sterol synthesis Amphotericin B-disrupts cell membrane

5 Antimicrobial Resistance
Antimicrobial resistance presents ongoing problems in the fight against infectious disease Penicillin resistance noted as early as 1943 Mycobacterium tuberculosis-some strains resistant to all drugs Resistance to antibiotics-result of changes in genetic information [MUTATIONS]

6 Using the rain forest to fight viruses??


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