Is there a cure for constant ringing in ears?

The whooshing sound in one ear is known as pulsatile tinnitus. Some people describe it as a thumbing in the ear. Usually pulsatile tinnitus is not a cause for concern, especially if it lasts just a short time. However, you should contact your doctor. High blood pressure, ear problems, severe anemia and an overactive thyroid gland can cause pulsatile tinnitus. On rare occasions, pulsatile tinnitus can be a symptom of an abnormality of the carotid artery or other blood vessel close to the affected ear.