Zidovudine - Nursing Science

What is Zidovudine?

Zidovudine, also known as AZT, is an antiretroviral medication used to prevent and treat HIV/AIDS. It is often included in combination therapy, working to reduce the viral load in the blood, thus improving the immune function and delaying the progression of the disease.

How does Zidovudine work?

Zidovudine is a type of nucleoside reverse transcriptase inhibitor (NRTI). It inhibits the activity of reverse transcriptase, an enzyme HIV needs to replicate within human cells. By blocking this enzyme, zidovudine reduces the amount of HIV in the body.

Administration and Dosage

Zidovudine is available in various forms, including tablets, capsules, and syrups. The dosage and frequency depend on several factors, such as the patient's age, weight, and the presence of other medical conditions. Typically, it is taken every 4 hours around the clock, but specific regimens may vary as prescribed by a healthcare provider.

Side Effects and Adverse Reactions

Common side effects of zidovudine include headaches, nausea, and fatigue. More severe reactions can include lactic acidosis, severe liver problems, and a decrease in certain blood cells, such as anemia and neutropenia. Patients should be monitored regularly for these adverse effects.

Nursing Considerations

Patient Education: Educate patients on the importance of adherence to their medication regimen to prevent resistance and ensure effectiveness.
Monitoring: Regularly monitor blood counts and liver function tests to detect any potential side effects early.
Drug Interactions: Be aware of potential drug interactions with other medications the patient may be taking, including other antiretrovirals and over-the-counter drugs.
Side Effect Management: Provide supportive care for managing side effects, such as antiemetics for nausea and pain relief for headaches.

Pregnancy and Zidovudine

Zidovudine is often prescribed to HIV-positive pregnant women to reduce the risk of mother-to-child transmission of HIV. It can be administered during pregnancy and labor, as well as to the newborn for a short period after birth. However, the benefits and risks should be carefully weighed by the healthcare provider.

Patient Compliance

Ensuring patient compliance with zidovudine therapy is crucial. Factors that can influence compliance include the complexity of the drug regimen, side effects, and the patient's understanding of the treatment. Nurses play a vital role in educating and supporting patients to improve adherence and overall outcomes.

Conclusion

Zidovudine is a cornerstone drug in the management of HIV/AIDS. Nurses must be knowledgeable about its mechanism, administration, potential side effects, and the importance of patient compliance. Through vigilant monitoring and patient education, nursing professionals can significantly contribute to the effective management of HIV/AIDS and improve patient quality of life.

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