Drug Choice for Cryptococcal Meningitis
Cryptococcal meningitis is a serious fungal infection affecting the central nervous system. Treatment requires effective antifungal agents.
Identifying the Primary Antifungal Agent
The selection of medication for cryptococcal meningitis depends on factors like severity and patient status. However, a specific antifungal is considered the gold standard, especially for initial, aggressive treatment.
- Amphotericin B is widely recognized as the primary, most effective drug for inducing initial remission in cryptococcal meningitis, particularly when combined with flucytosine. It is often administered intravenously.
- Fluconazole (Option 1) is typically used as a consolidation or maintenance therapy after initial treatment with Amphotericin B or for milder cases, but it's not the initial drug of choice for severe induction therapy.
- Ketoconazole (Option 2) is less effective against Cryptococcus compared to other azoles and is generally not recommended for cryptococcal meningitis.
- Pentamidine (Option 4) is used for other parasitic infections (like *Pneumocystis jirovecii*) and is not a primary treatment for cryptococcal meningitis.
Conclusion on Treatment
Based on established clinical guidelines for managing cryptococcal meningitis, Amphotericin B forms the cornerstone of initial therapy due to its potent antifungal activity against Cryptococcus neoformans and Cryptococcus gattii.
Important Questions from Fungal Infections
- Which of the following opportunistic systemic mycoses is characterized by rapid development of severe tissue necrosis and emerged as specific complication associated with COVID-19 infection in India?
- Which of the following fungal infections is caused by dermal inoculation of the fungal agent, usually from a thorn?
Consider the following statements with regard to coccidioidomycosis:
1. It is a primary systemic mycosis caused by dimorphic fungi Cocci- dioides immitis and Coccidioides posadasii.
2. Primary pulmonary coccidioido- mycosis presents with cough, fever, chest pain and arthritis.
3. Progressive pulmonary coccidioido- mycosis presents with constitu- tional symptoms like fever, weight loss, anorexia and features of lobar pneumonia.
4. Coccidioides meningitis is a mild disease, not warranting any treatment.
Which of the statements given above are correct?
- A patient receiving chemotherapy develops neutropenia. He presents with fever, cough, expectoration, chest pain and hemoptysis. His CT scan of chest reveals nodular infiltrates with halo sign and crescent sign. The most useful drug for treating him is
- Consider the following statements with regard to Amphotericin B :
1. It is a narrow spectrum antifungal agent.
2. It can cause nephrotoxicity.
3. It lacks an oral preparation.
4. Its lipid formulations are less toxic.
Select the correct answer using the code given below:
