Malaria: Symptoms, Complaints, Signs

The following symptoms and complaints may indicate malaria:

First uncharacteristic symptoms

  • Fatigue
  • General feeling of illness
  • Irregular remitting fever
  • Pain in the limbs
  • Headache

Occurrence of exanthema (rash) only in very rare cases.

In malaria tropica, the following symptoms may also occur:

  • Irregular febrile temperatures: re- or intermittent course; a continuous fever (febris continua) is also possible.
  • Diarrhea (diarrhea) (sometimes).
  • Hepatomegaly (enlargement of the liver).
  • Splenomegaly (spleen enlargement)
  • Thrombocytopenia – decrease in the number of platelets in the blood.
  • Dyspnea (shortness of breath)
  • Hypotension – lowered blood pressure
  • Icterus (jaundice)
  • Oliguria – decreased urine volume of 100-500 ml/d.
  • Tachycardia – heartbeat too fast: > 100 beats per minute.
  • Thrombocytopenia – number of platelets (thrombocytes) in the blood less than 150,000/μl (150 x 109/l).

Complicated courses possible (severe organ damage and even organ failure); seizures or other neurological manifestations of malaria rarely occur.

In malaria tertiana, the following symptoms occur after approximately one week:

  • Every 48 hours (every 3rd day) occurring high fever up to 41 ° C with chills; after a few hours, the fever drops abruptly with profuse sweating
  • Rather benign and mildly proceeding form; complicated courses possible

In malaria quartana, the following symptoms occur after about a week:

  • Every 72 hours (every 4th day) there is a high fever up to 41 ° C with chills; after a few hours, the fever drops abruptly with profuse sweating
  • Rather benign and mild form; “malarianephrosis” possible.

In P. knowlesi malaria, the following symptoms occur after approximately one week:

  • Fever every day
  • Complicated courses possible