The most commonly reported side effects are gastrointestinal nausea, mild constipation or diarrhea, especially during dose increases
Acknowledgements This research was supported by the National Key R&D Program of China (2018YFC1313304, 2018YFC1313300), National Natural Science Foundation of China (81930065, 81871951), Natural Science Foundation of Guangdong Province (2019A1515010233, 2018B030306049), Pearl River S&T Nova Program of Guangzhou (201806010002), and CAMS Innovation Fund for Medical Sciences (CIFMS) (2019-I2M-5-036)
[ea= and colleague(s)] 1 -Bremer J
Drugs Dermatol 10, 10251031
Yes, acetaminophen and ibuprofen are safe to use for GLP-1-related headaches on a short-term basis
See important safety information here