Alphagan P Disease Interactions
There are 3 disease interactions with Alphagan P (brimonidine ophthalmic).
Ophthalmic alpha-2 adrenergics (applies to Alphagan P) cardiovascular
Moderate Potential Hazard, Low plausibility. Applicable conditions: Cardiovascular Disease, Cerebrovascular Insufficiency, Hypotension
Topically applied alpha-2 adrenergic receptor agonists are systemically absorbed, with the potential for producing rare but clinically significant systemic effects. In the central nervous system, alpha adrenergic stimulation causes an inhibition of sympathetic vasomotor centers, resulting in decreased peripheral resistance and bradycardia. While the commercially available agents in the U.S. (apraclonidine and brimonidine) are hydrophilic and do not readily distribute across the ocular-blood barrier into the CNS, prolonged use may increase the risk of systemic effects. There have been occasional reports of bradycardia, chest heaviness or burning, palpitation, reduced blood pressure, and orthostatic hypotension when apraclonidine 1% was administered once or twice a day for 4 weeks to individuals not undergoing laser surgery. Therapy with ophthalmic alpha-2 adrenergic agents should be administered cautiously in patients with severe, uncontrolled cardiovascular disease, including hypertension, coronary or cerebrovascular insufficiency, recent myocardial infarction, chronic renal failure, Raynaud's disease, thromboangiitis obliterans, and a predisposition for orthostatic hypotension.
Ophthalmic alpha-2 adrenergics (applies to Alphagan P) depression
Moderate Potential Hazard, Low plausibility.
Topically applied alpha-2 adrenergic receptor agonists are systemically absorbed, with the potential for producing rare but clinically significant systemic effects. Depression has infrequently been associated with the ocular use of these drugs due to their inhibiting effect on the sympathetic nervous system. Depressed patients should be monitored for exacerbation of their condition during therapy with ophthalmic alpha-2 adrenergic agents.
Ophthalmic alpha-2 adrenergics (applies to Alphagan P) renal/liver
Moderate Potential Hazard, Moderate plausibility. Applicable conditions: Renal Dysfunction, Liver Disease
Topically applied alpha-2 adrenergic receptor agonists are systemically absorbed, with the potential for producing rare but clinically significant systemic effects. There are limited data concerning the pharmacokinetic disposition or the clinical use of these drugs in patients with renal and/or liver disease. Therapy with ophthalmic alpha-2 adrenergic agents should be administered cautiously in patients with significantly impaired renal or hepatic function.
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Alphagan P drug interactions
There are 367 drug interactions with Alphagan P (brimonidine ophthalmic).
Alphagan P alcohol/food interactions
There is 1 alcohol/food interaction with Alphagan P (brimonidine ophthalmic).
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Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.