Echinacea may seem like a harmless immune booster, but for people on immunosuppressants, it can interfere with life-saving medications. Learn why mixing them is dangerous and what to do instead.
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Ciprofloxacin can dangerously raise theophylline levels, leading to seizures, heart problems, and death. This well-documented interaction affects thousands yearly and is preventable with proper monitoring and alternative antibiotics.
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