What should you know about treatment of complicated malaria?

Malaria becomes complicated when the infection causes serious problems such as reduced alertness, breathing difficulty, repeated vomiting, severe weakness, low blood sugar, kidney stress, or other organ dysfunction. A positive or suspected malaria infection should be assessed promptly, especially after travel to a malaria area. Fever, chills, and muscle aches can occur with malaria, but symptom patterns alone cannot confirm the diagnosis. A clinician may use a blood test and repeated checks to identify the parasite and watch how the illness is affecting the body. Read more about [Malaria](/conditions/malaria/), [Fever](/symptoms/fever/), and [Chills](/symptoms/chills/).

In hospital, clinicians choose an injectable antimalarial according to the suspected parasite, illness severity, previous medicines, travel history, and local protocols. Treatment is adjusted when test results become available, then changed to an oral course when the person can swallow safely and the clinician considers the infection controlled. The team may check alertness, breathing, blood glucose, blood counts, kidney function, fluid balance, and temperature. Support can include fluids, treatment for low blood sugar, seizure care, oxygen, or management of kidney and breathing problems. Do not delay assessment while trying home remedies or leftover antimalarial tablets.

Seek emergency help immediately for suspected malaria with confusion, fainting, a seizure, trouble breathing, inability to drink, persistent vomiting, severe weakness, unusual bleeding, or very little urine. A person who becomes drowsy or difficult to wake needs urgent transfer even if fever has fallen. Bring travel dates, countries visited, recent medicines, and any malaria test results. Muscle aches can accompany malaria, but the urgency is determined by danger signs and the person's overall condition, not by the presence of one symptom.

Ask which malaria test confirmed or supports the diagnosis, which parasite is suspected, how severe the infection appears, and which warning signs the family should watch. Ask when oral medicine can replace injectable treatment, how doses will be checked, whether kidney or glucose monitoring is needed, and when follow-up testing is planned. If you travel often, ask about [Malaria Prophylaxis](/treatments/occupational-and-travel-medicine/malaria-prophylaxis/) and a [Travel Health Consultation](/treatments/occupational-and-travel-medicine/travel-health-consultation/).