B51

B51 is a code in the International Classification of Diseases (ICD), specifically in the ICD-10 version. It is used to classify and code diseases and health conditions for statistical purposes, clinical use, and health management. The B51 code is specifically used for Malaria due to Plasmodium vivax.

Overview

Malaria is a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female Anopheles mosquitoes. It is preventable and curable. Plasmodium vivax is one of the species of the Plasmodium parasite that can cause malaria in humans. It is less severe than Plasmodium falciparum, but it has a wider distribution and can create dormant liver stages that can reactivate and cause relapses.

Symptoms

The symptoms of malaria caused by Plasmodium vivax can range from mild to severe, and they usually appear 10-15 days after the infective mosquito bite. The initial symptoms – fever, headache, and chills – may be mild and difficult to recognize as malaria. If not treated within 24 hours, P. vivax malaria can progress to severe illness, often leading to death.

Treatment

Treatment aims to eliminate the Plasmodium parasite from the patient's bloodstream. For P. vivax malaria, treatment options include chloroquine, primaquine, and other antimalarial drugs. However, P. vivax malaria is challenging to control and eliminate because of the potential for relapse.

Prevention

Prevention methods include vector control strategies such as insecticide-treated mosquito nets and indoor residual spraying. Antimalarial drugs can also be used to prevent malaria in certain high-risk populations.

See also

• ICD-10 Chapter I: Certain infectious and parasitic diseases
• Malaria vaccine
• Malaria prophylaxis

B51 Resources
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