Ask a doctor before use if you have heart disease diabetes thyroid disease high blood pressure difficulty in urination due to enlargement of the prostate gland When using this product do not exceed recommended dosage. Stop use and ask a doctor if nervousness, dizziness, or sleeplessness occur symptoms do not improve within 7 days or occur with fever. Do not use if you are now taking a prescription monoamine oxidase inhibítor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. If pregnant or breast-feeding, ask a health professional before use.