What Causes Headache And Cough After Taking Ramipril For High BP?

ive been recently diagnosed with high blood pressure. n was prescribes ramipril 2.5mg to be taken 2 tablets every morning. i took 3 times now . ive been having headaches n coughing at nite cant get much sleep.ive made another appt to tell my doctor. whats happening. but is this normal i feel awful with headaches