Causes of dizziness and weakness may includein itself more than 80 diseases. After all among all other symptoms, these signs are most common. If such a phenomenon worries the patient very often and quite intensively, then it is necessary to urgently consult a neurologist who is obliged to conduct a medical examination.

Weakness, dizziness, drowsiness: causes of unpleasant abnormalities

causes of dizziness and weakness

As mentioned above, these phenomena are characteristicfor many diseases. Today we will consider the most probable and common ones. To clarify the diagnosis it is recommended to consult specialists.


Quite often, the causes of dizziness and weaknesslie in the banal iron deficiency in the human body. In this case, not only the above symptoms can be observed, but also external signs such as blanching of the skin, nail bundle and deformation of the nail plates. Also, with anemia in humans, a low level of hemoglobin in the blood is detected.

Disturbance of blood circulation in the brain

If the causes of dizziness and weakness are hiddenfor the violation of blood circulation in the brain, the patient can observe in himself and such signs as tinnitus, reduced concentration of attention and the appearance of black dots in front of the eyes.

Hypertensive attacks
weakness dizziness drowsiness causes

Symptoms of this problem are quite similarprevious disease. However, in addition to noise in the ears and other named signs, such a pathology includes such things as vomiting, dizziness, weakness. The reasons for this lie in a sharp increase in blood pressure and violations in the work of some internal organs.


Such an ailment is most oftenthe fairer sex. Poor state of health in the form of dizziness and weakness can occur against a background of severe stress, emotional instability and psychological stress. Such girls and women have a predisposition to the development of hypertension in a more mature age.

Tumors of the brain

These symptoms are often observed in oncology. Symptoms of the tumor, in addition to weakness and dizziness, can act and such manifestations as:

  • severe headaches;
  • hearing loss (usually one ear);
  • nausea;
  • noise in ears;
  • strabismus;
  • paralysis of facial muscles.


vomiting dizziness weakness of cause

Quite often during a migraine attackthere is a violation of blood circulation in the brain, which controls the work of the vestibular apparatus. It is for this reason that this disease is characterized by severe dizziness, after which there may be pain in the nape of the neck, as well as imbalance, vomiting, intolerance to noise and light.

Among other things, there are also the following reasons for dizziness and weakness:

  • psychogenic factor;
  • Meniere's disease;
  • inflammation of the nerves of the vestibular apparatus or vestibular neuritis;
  • vertebrobasilar insufficiency;
  • trauma to cervical vertebrae;
  • head trauma;
  • pregnancy.
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