Drug General Information (ID: DDIGRN4TOF)
  Drug Name Triamterene Drug Info Carbamazepine Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Diuretics Anticonvulsants/Antimanic Agents
  Structure

 Mechanism of Triamterene-Carbamazepine Interaction (Severity Level: Moderate)
     Increased risk of hyponatremia Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Triamterene Carbamazepine
      Mechanism Hyponatremia Hyponatremia
      Key Mechanism Factor 1
Factor Name Hyponatremia
Factor Description Hyponatremia is a condition in which the amount of sodium in the blood is lower than normal. Symptoms of hyponatremia may include: nausea and vomiting, fatigue, headache or confusion, muscle cramps, weakness, irritability and restlessness.
      Mechanism Description
  • Increased risk of hyponatremia by the combination of Triamterene and Carbamazepine 

Recommended Action
      Management Clinical monitoring of patient mental status and periodic measurement of serum sodium concentrations is recommended. Patients should be advised to notify their caregiver if they experience possible symptoms of hyponatremia such as nausea, vomiting, lethargy, weakness, muscle cramps, twitching, confusion, or seizures.

References
1 Yassa R, Nastase C, Camille Y, Henderson M, Belzile L, Beland F "Carbamazepine, diuretics, and hyponatremia: a possible interaction." J Clin Psychiatry 48 (1987): 281-3. [PMID: 3597330]
2 Product Information. Carbatrol (carbamazepine). Athena Neurosciences Inc, South San Francisco, CA.