Interactions With Medications

• Some herbal medicines can interact negatively with a medication you are already taking, making them inactive or too active. Check with your doctor before combining herbal medicines with medications.
  
  

Overdose

• Some herbals can have the potential of overdose and should be taken only in small, regulated amounts.
  
  

Organ Problems

• Sometimes when herbal medicines are taken over a long period of time, they can cause problems with the functioning of certain organs, especially the kidneys and the liver, where substances are filtered in your body.
  
  

Mental Confusion

• Taking certain herbal medicines can cause problems with cognitive functioning and may cause mental confusion.
  
  

Heart Problems

• Some herbal medications can cause heart problems, such as an increase in heart rate or blood pressure. If you already have a heart condition, this could be dangerous.