Most people with hypertension do not show any symptoms and are often detected on a routine medical examination.

The common symptoms are :

  • Nervous symptoms (usually the first to appear) which include :
    • Irritability
    • Nervousness
    • Inability to concentrate mind
    • Throbbing headache
    • Loss of sleep
    • Giddiness
  • Bleeding from nose, gums.  
  • In very severe cases there may be involvement of vital organs :
    • Heart symptoms : breathlessness on slight exertion, anginal pain (pain in chest), swelling in ankles. In more severe cases there is breathlessness even at rest, dropsy (swelling throughout the body).
    • Eye symptoms : rapid failure of vision or sudden blindness due to hemorrhage in the eyes may be the first symptom to attract the attention to blood pressure.
    • Kidney symptoms : Puffiness under the eyes is noticed in the morning. Scanty, high colored urine with presence of albumin (protein) in urine. In severe cases renal failure may occur.
    • Brain symptoms : Vomiting, convulsions. Hemorrhage in brain (apoplexy) resulting in paralysis, coma or death.