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. James

    I was given PEP with an imprint N33 what kind of PEP is that

  2. Josh Peasegood

    Hi Ntenzo, please read the answer to the main question in this stem. It explains what M171 is.

  3. Ntenzo

    M171 what kind of arv is this.m confused it’s like m druged

  4. Josh Peasegood

    Hi Sbo, what ARVs have been changed?

  5. Sbo

    Do they always change this ARVs

  6. Simon Collins

    Dear Ovu, if these are your meds, please ask your doctor or pharmacist.

    If they belong to somebody else, then this is, and I mean this politely, really none of your business.

    You could perhaps ask the person who they belong too, if you are close enough to them and they trust you.

    But medicine is personal and private. Even if you are a partner, parent or child, you should respoect everyone’s right to provacy about health care. If this person wanted you to know, they would tell you.

  7. Ovu

    What are the pills marked with H D17?

  8. Simon Collins

    Hi Ed, there are no drug interactions between HIV meds and alcohol.

  9. Ed

    Can you drink alcohol while taking M171 pills

  10. Josh Peasegood

    Hi Ismail, Atroiza will work as PEP though it is not often recommended. Atroiza contains efavirnez which can often cause side effects. Most often these being mood disturbances – avoiding high fat meals when taking Atroiza and taking it in the evening can help avoid these. More commonly, TLD is given as PEP. If you are able to switch, it will not impact on the effectiveness on your course of PEP.

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