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Antimicrobial Drugs 
 
Page 2


Antimicrobial Drugs 
 
Antimicrobial Drugs 
• Chemicals used to treat microbial 
infections 
• Before antimicrobials, large number of 
people died from common illnesses 
• Now many illnesses easily treated with 
antimicrobials 
• However, many antimicrobial drugs are 
becoming less useful 
 
Page 3


Antimicrobial Drugs 
 
Antimicrobial Drugs 
• Chemicals used to treat microbial 
infections 
• Before antimicrobials, large number of 
people died from common illnesses 
• Now many illnesses easily treated with 
antimicrobials 
• However, many antimicrobial drugs are 
becoming less useful 
 
Antimicrobial Drugs 
• Chemotherapeutic agent= 
• Antimicrobial drug= 
 
• Different types of antimicrobial drugs: 
– Antibacterial drugs 
– Antifungal drugs 
– Antiprotozoan drugs 
– Antihelminthic drugs 
 
Page 4


Antimicrobial Drugs 
 
Antimicrobial Drugs 
• Chemicals used to treat microbial 
infections 
• Before antimicrobials, large number of 
people died from common illnesses 
• Now many illnesses easily treated with 
antimicrobials 
• However, many antimicrobial drugs are 
becoming less useful 
 
Antimicrobial Drugs 
• Chemotherapeutic agent= 
• Antimicrobial drug= 
 
• Different types of antimicrobial drugs: 
– Antibacterial drugs 
– Antifungal drugs 
– Antiprotozoan drugs 
– Antihelminthic drugs 
 
Page 5


Antimicrobial Drugs 
 
Antimicrobial Drugs 
• Chemicals used to treat microbial 
infections 
• Before antimicrobials, large number of 
people died from common illnesses 
• Now many illnesses easily treated with 
antimicrobials 
• However, many antimicrobial drugs are 
becoming less useful 
 
Antimicrobial Drugs 
• Chemotherapeutic agent= 
• Antimicrobial drug= 
 
• Different types of antimicrobial drugs: 
– Antibacterial drugs 
– Antifungal drugs 
– Antiprotozoan drugs 
– Antihelminthic drugs 
 
Features of Antimicrobial Drugs 
• Most modern antibiotics come from 
species of microorganisms that live in the 
soil 
• To commercially produce antibiotic: 
1. Select strain and grow in broth 
2. When maximum antibiotic concentration 
reached, extract from medium 
3. Purify 
4. Chemical alter to make it more stable 
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FAQs on Antimicrobial Drugs Antimicrobial Drugs Antimicrobial Drugs

1. What are antimicrobial drugs?
Ans. Antimicrobial drugs are medications used to treat infections caused by microorganisms such as bacteria, viruses, fungi, and parasites. They work by either killing the microorganisms or inhibiting their growth.
2. How do antimicrobial drugs differ from antibiotics?
Ans. Antibiotics are a specific type of antimicrobial drug that specifically target bacteria. On the other hand, antimicrobial drugs refer to a broader category that includes drugs effective against various microorganisms like viruses, fungi, and parasites, in addition to bacteria.
3. What are the different types of antimicrobial drugs available?
Ans. There are several types of antimicrobial drugs available, including antibiotics, antivirals, antifungals, and antiparasitics. Each type is designed to target and treat specific types of infections caused by different microorganisms.
4. Are antimicrobial drugs effective against all types of infections?
Ans. No, antimicrobial drugs are not universally effective against all types of infections. Their effectiveness depends on the specific microorganism causing the infection. For example, antibiotics are only effective against bacterial infections, while antivirals are used to treat viral infections.
5. Can antimicrobial drugs be used as a preventive measure?
Ans. Yes, in certain cases, antimicrobial drugs can be used as a preventive measure. For example, individuals at high risk of contracting certain infections, such as people with compromised immune systems or healthcare workers exposed to certain pathogens, may be prescribed prophylactic antimicrobial drugs to prevent infection. However, this is usually done under specific circumstances and medical supervision.
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