Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Ribavirin may decrease the transformation of stavudine and zidovudine to their active forms.
What might happen:
The levels of the active forms of stavudine and zidovudine in your blood may decrease and it may not be as effective.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your medicine may need to be changed.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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