Details of Drug-Drug Interaction
| Drug General Information (ID: DDI0KCUQ45) | |||||||||
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| Drug Name | Eprosartan | Drug Info | Guanfacine | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Antihypertensive Agents | Antiadrenergic Agents | |||||||
| Structure | |||||||||
| Mechanism of Eprosartan-Guanfacine Interaction (Severity Level: Moderate) | |||||||||
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| Additive hypotensive effects Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Eprosartan | Guanfacine | |||||||
| Mechanism |
Antihypertensive agent Angiotensin II receptor Antagonist |
Antihypertensive agent Alpha-2 adrenergic receptor Agonist |
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| Key Mechanism Factor 1 | |||||||||
| Factor Name | Angiotensin II receptor | Structure Sequence | |||||||
| Protein Family | G-protein coupled receptor 1 family | ||||||||
| Protein Function |
Receptor for angiotensin II. Mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system.; (Microbial infection) During SARS coronavirus-2/SARS-CoV-2 infection, it is able to recognize and internalize the complex formed by secreted ACE2 and SARS-CoV-2 spike protein through DNM2/dynamin 2-dependent endocytosis.
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| Key Mechanism Factor 2 | |||||||||
| Factor Name | Adrenergic receptor alpha-2 | Structure Sequence | |||||||
| Protein Family | G-protein coupled receptor 1 family | ||||||||
| Protein Function |
Alpha-2 adrenergic receptors mediate the catecholamine-induced inhibition of adenylate cyclase through the action of G proteins. The rank order of potency for agonists of this receptor is oxymetazoline > clonidine > epinephrine > norepinephrine > phenylephrine > dopamine > p-synephrine > p-tyramine > serotonin = p-octopamine. For antagonists, the rank order is yohimbine > phentolamine = mianserine > chlorpromazine = spiperone = prazosin > propanolol > alprenolol = pindolol.
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| Mechanism Description |
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| Recommended Action | |||||||||
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| Management | Caution is advised during coadministration of these agents. Dosage adjustments may be required and hemodynamic responses should be monitored during concomitant therapy. Patients should be advised to avoid rising abruptly from a sitting or recumbent position and to notify their doctor if they experience dizziness, lightheadedness, syncope, orthostasis, or tachycardia. Patients should also avoid driving or operating hazardous machinery until they know how the medications affect them. | ||||||||