Postmarketing musculoskeletal negative side effects have included myalgia and also trigger finger.

“Other much less frequent (2 % to 5 %) damaging reactions reported in individuals obtaining Arimidex 1 milligrams in either Trial 0004 or Trial 0005 are here.”

In bunnies, anastrozole caused pregnancy failing at doses equal to or more than 16 times the suggested human dosage on a mg/m2 basis [see Animal Toxicology and/or Pharmacology (13.