text: <unk>  is a nucleoside reverse transcriptase inhibitor that is FDA approved for the treatment of HIV-1 infection in combination with other antiretroviral agents. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include headache, diarrhea, nausea, fatigue, dizziness, depression, insomnia, abnormal dreams, rash, abdominal pain, asthenia, increased cough, rhinitis and skin hyperpigmentation (pediatric patients).
option_0: Emtricitabine
option_1: Letermovir
option_2: Adefovir
option_3: Fomivirsen
option_4: Saquinavir
option_5: Entecavir
option_6: Temoporfin
option_7: Daclatasvir