A doctor was accidentally exposed to HIV by a needle stick injury while sampling HIV positive patient. A drug prescribed to him would be -
Needlestick injury is the most common cause of HIV infection among health care workers.
The guidelines for post-exposure prophylaxis of HIV are 

A) For routine exposures

a combination of two nucleoside reverse transcriptase inhibitors for 4 weeks.

B) For high risk or complicated exposures

a combination of two nucleoside reverse transcriptase inhibitors plus a protease inhibitor for 4 weeks.
Inspite of the guidelines regimen B is given for all types of exposure



Thus the treatment is obvious in this doctor.

Also Remember
Examples of
Nucleoside reverse transcriptase inhibitors

Zidovudine
Lamivudine
Stavudine
Didanosine
Zalcitabine
A bacavir

Protease inhibitors

Saquinavir
Indinavir
Ritonavir
NelfinavirAmprenavir
Zidovudine + Lamivudine + Indinavir for 4 weeks
Zidovudine + Lamivudine + Navirapine for 4 weeks
Zidovudine + Stavudine for 4 weeks
Zidovudine + Lamivudine for 4 weeks