Which of the following drugs is recommended for the treatment of severe, multidrug-resistant falciparum malaria(792- 93- KDT 6th) (Lippincott’s pharmacology 3rd)
**Question:** Which of the following drugs is recommended for the treatment of severe, multidrug-resistant falciparum malaria (792-93-KDT 6th) (Lippincott's pharmacology 3rd)?
A. Artemisinin
B. Chloroquine
C. Quinine
D. Mefloquine
**Core Concept:** Severe malaria caused by Plasmodium falciparum is a life-threatening illness that requires prompt and effective treatment. Multidrug-resistant malaria refers to the parasite's resistance to multiple antimalarial drugs.
**Why the Correct Answer is Right:** Artemisinin (A) is a key drug in the combined treatment regimen recommended for severe malaria. Artemisinin derivatives, such as dihydroartemisinin and artemether, work synergistically with other drugs (e.g., lumefantrine, amodiaquine, or mefloquine) to rapidly eliminate parasites from the bloodstream. This combination therapy is more effective than monotherapy and has a lower risk of resistance development.
**Why Each Wrong Option is Incorrect:**
B. Chloroquine (B) is no longer a recommended first-line treatment for severe malaria due to widespread resistance.
C. Quinine (C) is a first-line treatment for uncomplicated P. falciparum malaria but is no longer the first-choice option for severe cases. Quinine has a higher risk of side effects and is less effective compared to artemisinin derivatives.
D. Mefloquine (D) is a second-line treatment option for severe falciparum malaria due to its limited efficacy and potential neuropsychiatric side effects.
**Core Concept:** Treating severe malaria requires a combination of drugs with rapid parasite clearance and minimal risk of resistance development. Artemisinin derivatives, in combination with other drugs, are the first choice for treating severe malaria.
**Clinical Pearl:** In severe malaria cases, it is crucial to use a combination of drugs that are effective against the prevalent P. falciparum strains and exhibit minimal resistance development. Artemisinin derivatives, combined with other drugs like dihydroartemisinin, artemether, or mefloquine, are the first-line treatment options for severe malaria due to their rapid parasite clearance and lower risk of resistance development.
**Why Each Wrong Option is Incorrect:** Chloroquine, quinine, and mefloquine are no longer the first-line treatment options due to resistance and side effects. Quinine is less effective than artemisinin derivatives, and mefloquine has limited efficacy and potential neuropsychiatric side effects. Chloroquine resistance is widespread in P. falciparum strains, making it an unsuitable treatment choice.
**Correct Answer:** Artemisinin derivatives, combined with other drugs like dihydroartemisinin, artemether, or mefloquine, are the first-line treatment options for severe malaria due to their rapid