What are the possible side effects of triamterene (Dyrenium)?

Call 911 immediately if you show any signs of allergic side effects of triamterene (Dyrenium), including a swelling of the face, lips, tongue and throat that can hinder breathing.

Contact your doctor if you experience serious side effects, such as numbness, a tingly feeling, muscle pain, muscle weakness, drowsiness, restlessness, light-headedness, little or no urination, shallow breathing, tremors, confusion, nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice, and a slow, fast or uneven heartbeat.

Contact you doctor if you have less serious side effects, including mild nausea, vomiting, diarrhea, dizziness, headache, dry mouth or skin rash.

Based on information from, a free medication monitoring service, 22% of patients experience side effects while taking Triamterene (Dyrenium). Some of the side effects reported by iGuard members inlcude: Urinary Frequency. Please follow up with your doctor or other healthcare provider if you are experiencing any symptoms that worsen or do not go away.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.