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I saw the episode -- it was consensual, but the woman was left with a
note saying "I have AIDS", and was seen for a suicide attempt.   The
regimen prescribed (ostensibly) for Abby was aggressive on the scale of
the new CDC recommendations.

These recommendations call for what is now standard in treating
established HIV, Highly Active Anti-Retroviral Therapy (HAART), which is
a combination of different types of anti-HIV drugs, usually three in
clinical practice [1]. The HAART idea seemed to originate when the major
new class of anti-HIV drugs, the protease inhibitors, seemed to be the
key to, in many cases, bringing the apparent viral load [2] to zero and
people apparently being symptom-free. More recent studies show it's the
combination, not specifically protease inhibitors, that hits the virus
in different ways and tends to avoid it becoming resistant for long
periods. With current therapy, AIDS is now more of a serious but
manageable chronic disease than a death sentence.

[1] Three (sometimes two, sometimes up to five) specifically against
   the HIV virus. A patient may take many other drugs if they are
   immunosuppressed, to protect against opportunistic (non-HIV)
   infections.

[2] Unfortunately, while the viral load is massively reduced in most
   patients and undetectable in some, the hope that protease
   inhibitors and/or HAART was a cure proved false. The virus still
   seems to be able to hide below the threshold of detection, but
   would return if the drugs were stopped.