Understanding Malaria: Etiology, Symptoms, and Treatment Strategies

Visual representation of common malaria symptoms including fever stages, chills, and headache.

Physical Examination Findings

When the doctor examines the patient, some specific findings are observed:

Splenomegaly (Enlargement of the Spleen)

  • This is a classic finding of malaria.

  • The spleen becomes enlarged and can be felt in the left upper abdomen.

  • In chronic malaria, the spleen can be very large. Doctors check for this with palpation.

Hepatomegaly (Enlargement of the Liver)

  • The liver may also become enlarged, but this is less common than splenomegaly.

  • Tenderness may be present in the right upper abdomen.

Signs of Anemia

  • The patient’s skin and mucous membranes appear pale.

  • The conjunctiva (inside the eye) is pale, which indicates anemia.

  • The nails also become pale.

Jaundice

  • Some patients may develop jaundice. The eyes and skin look yellowish.

  • This occurs due to the destruction of red blood cells (RBCs).

Tachycardia

  • The heart rate increases, especially during fever.

  • The body attempts to compensate.

Dehydration

  • Due to vomitingsweating, and poor oral intake, the patient becomes dehydrated.

  • Skin turgor decreases and mucous membranes become dry.

Complications

If malaria is not treated in time, especially P. falciparum malaria, then serious complications can develop:

Cerebral Malaria (Malaria of the Brain)

This is the most serious complication. The patient becomes confused and behaves abnormally. Seizures (fits) can occur, and in severe cases, a coma may happen. This is a medical emergency and requires immediate treatment.

  • Signs include: altered consciousness, seizures, neck stiffness, abnormal posturing, and coma.

Severe Anemia

RBCs (Red Blood Cells) in the blood decrease significantly. Hemoglobin can drop below 5 g/dL.

  • The patient experiences breathlessness, extreme weakness, and palpitations.

  • blood transfusion may be necessary.

Acute Respiratory Distress

Fluid can accumulate in the lungs (pulmonary edema).

  • The patient has severe difficulty breathing.

  • Oxygen saturation decreases.

  • This is a life-threatening condition.

Renal Failure (Kidney Failure)

Kidneys can fail, and urine output may decrease or stop completely.

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