Good day. For the past couple of days, in the evenings, my head starts…

Good day. For the past couple of days, in the evenings, my head starts hurting, especially around the cheekbones and forehead. My blood pressure is high, as they told me. I can't go see a doctor right now, but pills for headaches help, but not always. Sometimes they don't work at all. Everywhere I read that high blood pressure in the last trimester isn't good and even bad. What does it threaten? Does anyone know? Share if you have any experience with this. Thank you very much.