 [ Symptoms ] can you get the chickenpox yet not be uncomfortable  my 12 year old son was vaccinated for chickenpox when young in the last 24 hours he has all the tell tale signs of chickenpox   a few bumps that spread all over his body light fever but he does not itch at all does this happen we do not know whether to let him ride it out or check to see if it is something else thanks [ Disease ] blood pressure is a measure of how hard your blood pushes against the walls of your arteries if the force is too hard you have high blood pressure also called hypertension  when high blood pressure starts after 20 weeks of pregnancy it may be a sign of a very serious problem called preeclampsia blood pressure is shown as two numbers the top number  systolic  is the pressure when the heart pumps blood the bottom number  diastolic  is the pressure when the heart relaxes and fills with blood blood pressure is high if the top number is more than 140 millimeters of mercury mm hg or if the bottom number is more than 90 mm hg for example blood pressure of 15085 say 150 over 85 or 14095 is high or both numbers can be high such as 15095 a woman may have high blood pressure before she gets pregnant or her blood pressure may start to go up during pregnancy if you have high blood pressure during pregnancy you need to have checkups more often than women who do not have this problem there is no way to know if you will get preeclampsia this is one of the reasons that you are watched closely during your pregnancy high blood pressure and preeclampsia are related but they have some differences webmd medical reference from healthwise this information is not intended to replace the advice of a doctor healthwise disclaims any liability for the decisions you make based on this information © 1995 2011 healthwise incorporated healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated