Drug General Information (ID: DDIZT9F8CG)
  Drug Name Mecamylamine Drug Info Licorice Drug Info
  Drug Type Small molecule Natural product
  Therapeutic Class Antihypertensive Agents Herbal Products
  Structure

 Mechanism of Mecamylamine-Licorice Interaction (Severity Level: Moderate)
     Antagonize the effect of antihypertensive agents Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Mecamylamine Licorice
      Mechanism Hypotensive effects
Neuronal acetylcholine receptor  Antagonist
Hypertensive effects
Mineralocorticoid and renin-suppressing effects 
      Key Mechanism Factor 1
Factor Name Neuronal acetylcholine receptor Structure Sequence
Protein Family Ligand-gated ion channel (TC 1.A.9) family
Protein Function
After binding acetylcholine, the AChR responds by an extensive change in conformation that affects all subunits and leads to opening of an ion-conducting channel across the plasma membrane.
    Click to Show/Hide
      Mechanism Description
  • Antagonize the effect of Mecamylamine when combined with Licorice 

Recommended Action
      Management Patients receiving antihypertensive therapy should avoid or limit the consumption of licorice-containing products. Even relatively moderate doses of licorice may be problematic in susceptible patients when ingested regularly for prolonged periods.

References
1 Stewart PM, Wallace AM, Valentino R, Burt D, Shackleton CH, Edwards CR "Mineralocorticoid activity of liquorice: 11-beta-hydroxysteroid dehydrogenase deficiency comes of age." Lancet 2 (1987): 821-4. [PMID: 2889032]
2 Cumming AM "Metabolic effects of licorice." Br Med J 1 (1977): 906
3 Epstein MT, Espiner EA, Donald RA, Hughes H "Effect of eating liquorice on the renin-angiotensin aldosterone axis in normal subjects." Br Med J 1 (1977): 488-90