How effective is efavirenz?
The half-life of this drug is 52 to 76 hours if taken as a single-dose. This declares its effectivity in that this drug need be taken only once a day. Efavirenz is most commonly used in combination with other antiviral drugs. Clinical studies have shown that when efavirenz is taken once daily in conjunction with zidovudine plus lamivudine or nelfinavir, the T-cell count increased and the HIV RNA plasma level decreased to manageable levels. The induced reduction in viral load can be maintained for 72 weeks, as seen in one clinical trial. There have been reports of clinically significant drug interactions between efavirenz and indinavir and saquinanivr. This drug is able to cross the blood-brain barrier and thus displays the ability to enter the central nervous system. This allows its utilization in preventing mental problems such as dementia. How is efavirenz taken and how much is taken? Efavirenz is administered orally as a capsule. The dosage for a normal adult is 600 mg once a day at
