<human>:  What are the side effects of taking the medication Metoprolol Tartrate?
<bot>: Common side effects of taking Metoprolol Tartrate include fatigue, dizziness, diarrhea, low blood pressure, headache, sleep disturbances, rash, and nausea. Less common side effects may include depression, nightmares, vision changes, slow heartbeat, chest pain, and insomnia.