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Effects typically begin within five minutes. [4] Doses are then increased to effect. [4] Common side effects include worsening kidney function, an irregular heartbeat, chest pain, vomiting, headache, or anxiety. [4] If it enters into the soft tissue around the vein local tissue death may occur. [4]
Ecopipam (development codes SCH-39166, EBS-101, and PSYRX-101) is a dopamine antagonist which is under development for the treatment of Lesch–Nyhan syndrome, Tourette syndrome, speech disorders, and restless legs syndrome. [2] It is taken by mouth. [3] Ecopipam acts as a selective dopamine D 1 and D 5 receptor antagonist. [2]
Other serious side effects are hallucinations, peripheral edema, gastrointestinal ulcers, pulmonary fibrosis and psychosis. [1] [16] Dopamine agonists have been linked to cardiac problems, with side effects such as hypotension, myocardial infarction, congestive heart failure, cardiac fibrosis, pericardial effusion and tachycardia. [1]
Very common (greater than 10%) adverse effects include fast heart beats and nausea. [2] Common (between 1% and 10%) adverse effects include tremor, headache, transient low blood pressure, vomiting, increased sweating, sepsis, sinus and nodal slow heart beat, cardiac arrest, myocardial infarction, cardiac enzyme changes, non-specific ECG changes, high blood pressure, hemorrhage, respiratory ...
Known to have effects on serotonin and dopamine receptors. [18] Dry mouth [13] Nausea [19] Respiratory depression in patients under the age of two and those with severely compromised pulmonary function [20] Blurred vision, xerostomia, dry nasal passages, dilated pupils, constipation, and urinary retention. (due to its anticholinergic effects) [13]
Its antipsychotic effects are predominantly a function of D 2 antagonism. Its antidepressant effects at lower doses are not well understood; however, it may be mediated by functional selectivity and/or preferentially binding to D 2 autoreceptors at low doses, resulting in increased postsynaptic activation via higher dopamine levels.
However, it does act as a high affinity antagonist of the histamine H 1 receptor [24] and is a low to moderate affinity antagonist of the dopamine D 2, serotonin 5-HT 2, and α 1-adrenergic receptors. [3] [23] H 1 receptor antagonism accounts for its antihistamine effects and associated sedative side effects.
Common side effects include sleepiness, vomiting, and dizziness. [4] Serious side effects may include pathological gambling, low blood pressure with standing and hallucinations. [3] [4] Use in pregnancy and breastfeeding is of unclear safety. [5] It is a dopamine agonist and works by triggering dopamine D 2 receptors. [4]