Gossypol - Hyzaar (Hydrochlorothiazide, Losartan Potassium) Interaction

Interaction Details

Hydrochlorothiazide, Losartan Potassium is classified as belonging to the following category: Diuretic Drugs

Theoretically, gossypol might increase the risk of hypokalemia when taken with potassium-depleting diuretic drugs.
Clinical research shows that gossypol has potassium-depleting effects and can cause hypokalemia. Initiation of potassium supplementation or an increase in potassium supplement dose may be necessary for some patients.

Interaction Rating

Likelihood of Occurrence

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists

References

• Woolley, R. J. Contraception--a look forward, Part II: Mifepristone and gossypol. J.Am.Board Fam.Pract. 1991;4(2):103-113.
• Bushunow, P., Reidenberg, M. M., Wasenko, J., Winfield, J., Lorenzo, B., Lemke, S., Himpler, B., Corona, R., and Coyle, T. Gossypol treatment of recurrent adult malignant gliomas. J.Neurooncol. 1999;43(1):79-86.
• Reidenberg, M. M. Environmental inhibition of 11beta-hydroxysteroid dehydrogenase. Toxicology 4-3-2000;144(1-3):107-111.
• Song, D., Lorenzo, B., and Reidenberg, M. M. Inhibition of 11 beta-hydroxysteroid dehydrogenase by gossypol and bioflavonoids. J.Lab Clin.Med. 1992;120(5):792-797.
• Fu, Y. F., Zhang, S. L., Lu, Z. M., and Wang, W. Effects of gossypol on the activity of kidney (Na+ + K+)-ATPase and the functions of erythrocyte membrane. Contraception 1988;37(2):179-184.
• Fu, Y. F., Zhang, S. L., Lu, Z. M., and Wang, W. Effects of gossypol on the activity of rabbit kidney Na,K-ATPase and the functions of human erythrocyte membrane. Prog.Clin.Biol.Res. 1988;268B:385-392.
• Kjaergaard, N. [Male contraception]. Ugeskr.Laeger 9-8-1986;148(37):2335-2338.
• Bi, X. F., Ye, Y. X., Yang, H. F., and Zhang, Z. R. [Preliminary study on gossypol in causing hypokalemia (author's transl)]. Zhongguo Yi.Xue.Ke.Xue.Yuan Xue.Bao. 1981;3(3):175-178.
• Aitken, R. J., Liu, J., Best, F. S., and Richardson, D. W. An analysis of the direct effects of gossypol on human spermatozoa. Int.J.Androl 1983;6(2):157-167.
• Waites, G. M. Male fertility regulation: the challenges for the year 2000. Br.Med Bull. 1993;49(1):210-221.
• Reidenberg, M. M., Gu, Z. P., Lorenzo, B., Coutinho, E., Athayde, C., Frick, J., Alvarez, F., Brache, V., and Emuveyan, E. E. Differences in serum potassium concentrations in normal men in different geographic locations. Clin.Chem. 1993;39(1):72-75.

Gossypol - More Interactions

Gossypol interacts with 104 drugs

Interaction Rating Key

These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.