 Drowsiness, dizziness, dry mouth, nasal congestion, headache, fatigue, weight gain, hypotension, postural hypotension, depression, problems with ejaculation, diarrhoea, nausea, increased need to pass urine, and palpitations.Tryptamine and serotonin are naturally occurring indole ethylamino compounds with pronounced pharmacological activities.They have served as the inspiration for synthesis of numerous analogues.