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missed a dose
May 4, 2008

Dear Dr. DeJesus: Your answers are quite comforting to me. I am on Combivir and Sustiva. This is my second month on meds. Today I discovered that I missed a Combivir dose. I felt so bad. I have a headache for a week now. Please help me with my missed dose of Combivir and my headache.

Response from Dr. DeJesus

Combivir was approved to be dosed twice daily. Like with all anti-HIV medications, it needs to be taken with excellent adherence to gain the most out of this therapy. Despite this, we recognize that every so often patients will miss a dose here and there (although not recommended). If you have been taking your meds for the past 2 months, and this is the first time you miss a dose, I will congratulate you then for having such a good adherence with your treatment. In fact, the likelihood is that a single missed dose will not cause you any problems, so you should stop worrying about it, and maybe this will help your headaches too. On the other hand, AZT, one of the components in Combivir, is also well known to cause headaches, so if these headaches continue, make sure to mention it to your provider and consider a change off Combivir.

On a side note, AZT in not currently recommended as a preferred choice anymore by the HIV treatment guidelines for initiation of HIV therapy. Many patients on AZT over time can develop lipoatrophy (loss of fat). That would be another reason to switch off AZT (Combivir). Maybe you also want to discuss this with your provider as well. Good luck!

my regimen
Missed Norvir dose

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