From Wikipedia, the free encyclopedia
Major side effects of bicalutamide [1] [2] [3] [4] [5] [6] [7]
Frequency Class of effect Effect
Very common (≥10%) Reproductive system and breast disorders   Breast tenderness [a]
  Gynecomastia [a]
Common (1–10%) General and psychiatric disorders   Asthenia
  Decreased libido
  Erectile dysfunction
  Hot flashes
Skin and subcutaneous
tissue disorders
  Decreased body hair
Hepato-biliary disorders   Elevated liver enzymes [b]
Uncommon (0.1–1%) Immune system disorders and hypersensitivity reactions   Angioedema
  Hives
Rare (<0.1%) or unknown Respiratory disorders   Lung disease [c]
Skin and subcutaneous tissue disorders   Sensitivity to light
Hepato-biliary disorders   Liver toxicity [c]
  1. ^ a b May occur as often as 90% of those taking bicalutamide, but is mild-to-moderate in 90% of occurrences. Incidence greatly decreased in combination with castration.
  2. ^ Usually transient, rarely severe. Resolves or improves with continued therapy or on discontinuation.
  3. ^ a b Reported in single cases, but not observed in any large, randomized trial. With regular liver monitoring and discontinuation as needed.