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Asked : 16 Jun 2024 Health

By : Amit Kumar

Whats is drug resistance?

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Answered : 16 Jun 2024

By : Amit Kumar

Drug resistance is a phenomenon in which microorganisms, such as bacteria, fungi, viruses, and parasites, develop the ability to resist the effects of previously effective drugs in treating infections. This means that the microorganisms continue to multiply and cause infections even when exposed to drugs designed to kill or stop their growth.
Drug resistance can arise through several mechanisms, including genetic mutations, the acquisition of resistance genes from other microorganisms, or the ability to pump drugs out of their cells before they can exert their effect. In addition, overuse or misuse of antibiotics and other antimicrobial drugs is a major contributor to the development of drug resistance. As a result, drug-resistant infections are becoming more common and are a severe public health concern worldwide.
Several types of drug resistance can develop in microorganisms, including:

  1. Antibiotic resistance: This is the most well-known type of drug resistance and occurs when bacteria become resistant to the effects of antibiotics, drugs used to treat bacterial infections.
  2. Antiviral resistance: This occurs when viruses become resistant to antiviral drugs, which are used to treat viral infections such as HIV, hepatitis, and influenza.
  3. Antifungal resistance: This occurs when fungi become resistant to antifungal drugs, which are used to treat fungal infections such as thrush, ringworm, and aspergillosis.
  4. Antiparasitic resistance occurs when parasites become resistant to drugs used to treat parasitic infections such as malaria, leishmaniasis, and trypanosomiasis.
  5. Multidrug resistance occurs when microorganisms become resistant to more than one drug, making it difficult to treat infections with standard therapies. Multidrug-resistant infections are a particular concern in healthcare settings and can be challenging to manage.
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