Ciprofloxacin, an antibiotic, can decrease the body's ability to eliminate caffeine. Avoidance of caffeine beverages and herbs containing caffeine such as Guarana and Cola Nut is advisable. Anti depressive and anti anxiety medications should be taken with close doctor supervision if taken concurrently with St. Johns wort. Supplementation is indicated and important.
Fiber interferes with absorption of numerous medications.
Advise taking fiber at least 2 hours away from drugs. All mint should be avoided if you often need stomach acid blockers. Mints relax the esophageal muscle and can worsen symptoms. Acid blockers lessen the body's ability to absorb Iron, B12, Calcium. Supplementation is advisable if using these medications .