U84: Resistance to other antimicrobial drugs
U84.0: Resistance to antiparasitic drug(s)
Resistance to antiparasitic drugs is a medical condition where parasites in the body, such as worms, protozoans, or ectoparasites, are no longer affected by the drugs commonly used to eliminate them. This resistance can develop when parasites change in a way that reduces the drug's effectiveness. The change often results from genetic mutation, causing the parasites to multiply even in the presence of the drug. Symptoms of the underlying parasitic infection may persist or worsen, including digestive problems, skin rashes, fatigue, and other general health complaints. Because the drugs are not working as intended, the overall duration of the infection might be longer, and the disease can progress, potentially causing more severe or complex issues. Modified treatment strategies are usually required when antiparasitic drug resistance is identified.
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