hi Common side effects are: dizziness, headache, drowsiness, diarrhea, low blood pressure, weakness, cough, and rashes A nonproductive and persistent cough may occur in 5%-25% of individuals. It may take up to 2 weeks or longer for coughing to subside after the ACE inhibitor is discontinued. If one ACE inhibitor causes cough, it is likely that the others will also. ACE inhibitors may cause birth defects and, therefore, should not be used during pregnancy. Individuals with stenosis (narrowing) of both arteries supplying the kidneys may experience worsening of kidney function. Other side effects of ACE inhibitors include kidney failure, allergic reactions, a decrease in white blood cells, and swelling of tissues (angioedema).