The authors contacted the journal with the following corrections to the published article: 1. Table 1. PT-INR at 6th hospital day. 2.46 is incorrect; Correct: 2.47. 2. Table 2. Line 5, at Purpose of use of CMZ. NA is incorrect; Correct: Infection secondary to Pneumothorax. 3. Table 2. Line 11, at PT-INR, 2.46 is incorrect; Correct: 2.47. 4. References No. 22 and No. 23 are reversed. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. The original article has been updated. Reference: Yuichiro Haba, Hikaru Akizuki, Naoyuki Hashiguchi, Toshio Naito. Hypoprothrombinemia During Cefmetazole Treatment: A Case Report. Am J Case Rep. 2022; 23: e936712. DOI: 10.12659/AJCR.936712.