does jasmine tea leaves react to medications?

Answer 1

According to the PDR
"Possible Drug Interactions: No interactions have been reported."
"Avoid If...
Do not use Jasmine if you are prone to allergies. It can cause contact dermatitis (skin irritation)."
Looks prety safe and smells nice.

Answer 2

If you're just drinking a couple of cups, don't worry about it. IF it does react to any medications you'd have to drink truck loads of it for it to happen. Teas are dried and their active components (found in the plant's essential oils) are, for the most part, lost.