Arginine may cause low blood pressure. Caution is advised in patients taking herbs or supplements that lower blood pressure.
Arginine may increase the risk of bleeding when taken with drugs that increase the risk of bleeding. Some examples include aspirin, anticoagulants (blood thinners) such as warfarin (Coumadin®) or heparin, antiplatelet drugs such as clopidogrel (Plavix®), and nonsteroidal anti-inflammatory drugs such as ibuprofen (Motrin®, Advil®) or naproxen (Naprosyn®, Aleve®).
Arginine may change blood sugar levels. Caution is advised when using medications that may affect blood sugar levels. Patients taking insulin or drugs for diabetes by mouth should be monitored closely by a qualified healthcare professional, including a pharmacist. Medication adjustments may be necessary.
Arginine may also interact with ACE (angiotensin-converting enzyme) inhibitors, agents that increase potassium levels (including angiotensin II receptor antagonists and heparin), agents used to treat blood disorders, aminophylline, antacids, antibiotics, anticancer agents, anti-inflammatories, antimalarials, antiobesity agents, antiseizure agents, aspirin, cardiac glycosides, cholesterol- and lipid-lowering drugs, contraceptives, cyclophosphamide, cyclosporine, diuretics, estrogens, glucagon, growth hormones, H2 blockers, immunosuppressants, iron salts, isoproterenol, nicotine, nitrates, nitroderivatives, phenylephrine, phosphodiesterase inhibitors, potassium salts, propofol, proton pump inhibitors, sertraline, or spironolactone.
You should read product labels, and discuss all therapies with a qualified healthcare provider. Natural Standard information does not constitute medical advice, diagnosis, or treatment.
More Answers from Natural Standard, The Authority on Integrative Medicine