All of the following pharmaceutical agents cause gynaecomastia, EXCEPT:

Pyrazinamide will cause gynaecomastia. List of drugs which cause gynaecomastia are: Hormones Androgens and anabolic steroids Chorionic gonadotropin Estrogens and estrogen agonists Growth hormone Environmental estrogens Antiandrogens or inhibitors of androgen synthesis Cyproterone Flutamide Bicalutamide Antibiotics Isoniazid Ketoconazole Metronidazole Anti-ulcer medications Cimetidine Omeprazole Ranitidine Cancer chemotherapeutic agents (especially alkylating agents) Cardiovascular drugs Amiodarone Captopril Enalapril Nifedipine Spironolactone Verapamil Psychoactive agents Diazepam Haloperidol Phenothiazines Tricyclic antidepressants Drugs of abuse Alcohol Amphetamines Heroin Marijuana Other Highly active antiretroviral therapy (HAA) Phenytoin Penicillamine Ref: Braunstein G.D. (2011). Chapter 12. Testes. In D.G. Gardner, D. Shoback (Eds), Greenspan's Basic & Clinical Endocrinology, 9e.