I have been on warfarin for nine years,
and I personally have not heard of this with warfarin. There are other heart
and blood pressure-type drugs that occasionally do have this side effect, though. If it has happened to you, you might consider whether another one of your medications could possibly to be the cause. If you will do an internet search for a list of photosensitive medications, you will find a number of drugs that can cause photosensitivity as a side effect.