Terguride

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Terguride is a medication that acts as a dopamine receptor agonist and serotonin receptor antagonist. It is primarily used in the treatment of hyperprolactinemia, a condition characterized by elevated levels of prolactin in the blood. Terguride has also been investigated for its potential use in treating Parkinson's disease and pulmonary arterial hypertension.

Pharmacology

Terguride functions by binding to dopamine receptors and serotonin receptors, modulating their activity. As a dopamine receptor agonist, it stimulates dopamine receptors, which can help reduce the levels of prolactin in the blood. Its action as a serotonin receptor antagonist contributes to its effects on the cardiovascular system and central nervous system.

Medical Uses

Hyperprolactinemia

Terguride is effective in treating hyperprolactinemia, a condition that can cause symptoms such as galactorrhea, amenorrhea, and infertility. By acting as a dopamine receptor agonist, it helps to lower prolactin levels, alleviating these symptoms.

Parkinson's Disease

Terguride has been studied for its potential benefits in Parkinson's disease, a neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra. Its ability to stimulate dopamine receptors may help improve motor symptoms in patients with this condition.

Pulmonary Arterial Hypertension

Research has also explored the use of terguride in treating pulmonary arterial hypertension, a condition marked by high blood pressure in the arteries of the lungs. Its serotonin receptor antagonist properties may help reduce vascular resistance and improve blood flow.

Side Effects

Common side effects of terguride include nausea, vomiting, headache, and dizziness. More serious side effects can include hypotension, cardiac arrhythmias, and valvular heart disease. Patients should be monitored for these adverse effects during treatment.

Mechanism of Action

Terguride's dual action as a dopamine receptor agonist and serotonin receptor antagonist allows it to modulate neurotransmitter activity in the brain and peripheral tissues. This dual mechanism is beneficial in conditions where both dopamine and serotonin pathways are implicated.

See Also

• Dopamine receptor
• Serotonin receptor
• Hyperprolactinemia
• Parkinson's disease
• Pulmonary arterial hypertension

External Links

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