Q and A

Question

What are the pills marked with M171 and D100?

Answer

If your doctor prescribed HIV medication that looks like the pill in the picture and has M171 embossed, this is likely to be Tribuss.

tribuss

Picture: Tribuss, manufactured by Aspen.

The picture is not very clear, but M171 is one one side and D100 is on the other.

This is based on the information at this website.

http://www.events.za.bz/news-archive.aspx?ID=697

Tribuss is a generic version of Atripla and it is manufactured by Aspen. It is widely used in South Africa.

Just like Atripla, Tribuss contains three active HIV drugs – efavirenz, tenofovir-DF and emtricitabine.

Sometimes Tribuss is mainly used as an HIV treatment by people who are HIV positive. However, this is an older treatment that is steadily being switched to newer drugs in many countries.

Some countries use Tribuss as a way to prevent HIV after recent risk for people who are HIV negative. This way of using HIV meds is called PEP. Tribuss is not recommended as PEP in most countries though because of the risk of side effects that are higher in people who are HIV negative.

This answer was updated in December 2019 from an orginal question posted in September 2016.

213 comments

  1. Ruty

    Will prep treatment really help if I’ve been sleeping with a person that has been taking blue pills written M117 for 3 years and all along I’ve been being tested and my results are always negative.

  2. Lisa Thorley

    Hi Alex,

    It sounds like you’re taking the same meds, (please see the post), if this is the case, then yes you can take them.

  3. Alex

    Hi

    I started treatment in november last year i was given the pill with the number d100 to use for 7 days on my seventh day they called me and gave me the pill m171 so on that day i started using tge m171 since they are the same colour now ive run out of arv and im left with d100 that i didn’t use then and my date is tomorrow so i wanna ask can i take the d100 for today or should i go to the clinic for more even though my date is tomorrow

  4. Lisa Thorley

    Hi Sizakele,

    What’s the name of the ARVs that you usually take? What’s the white one called?

  5. Sizakele

    Hlw am taking ARVs but this month I got the white one am not sure if it’s ARVs or they gave me wrong pills

  6. Roy Trevelion

    Hi Siyabulela,

    It could be another drug, for another condition. Especially if the pills don’t look the same size and colour as the pills above. What did the doctor say?

  7. Siyabulela

    Does M171 pills for HIV if is not having D100?

  8. Roy Trevelion

    Hi Nkele,

    If your sister is on ARVs that’s great because this treatment can benefit her health. But it is her decision, of course, whether she wants to talk about it.

  9. nkele

    I think my sister she’s on ARV’s bt she dnt want to tel anyone what can I do?

  10. Roy Trevelion

    Hi Nkele,

    Thanks for this. Yes, we have to keep taking our meds everyday about the same time. But lots of research is looking at long acting meds. So in future it might be a bit easier.

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