Australian Spotted Fever is also known as Queensland Tick Typhus (QTT), Australian Tick Typhus, Rickettsial Spotted Fever and Spotted Fever. It is caused by infection with the bacterium Rickettsia australis.
| Signs/Symptoms | Frequency |
|---|---|
| fever | usual |
| headache | usual |
| muscle aches | usual |
eschar![]() |
65% of cases |
| lymph node swelling | usual |
| stiff neck | possible |
| nausea | possible |
| vomiting | possible |
| mental confusion | possible |
spotted rash![]() |
possible |
| joint pain | possible |
| conjunctivitis | possible |
| sore throat | possible |
| dry cough | possible |
| abdominal pain | possible |
| neurological signs | possible |
Many other diseases include some of these signs and symptoms. However, the more of these present, particularly if there has been known tick bite in the preceding 2 weeks, the more that blood testing for Australian Spotted Fever is warranted.
| Signs/Symptoms | Frequency |
|---|---|
| fever | usual |
| headache | usual |
| muscle aches | usual |
'bullseye' rash (erythema migrans)![]() |
20% of cases |
| fatigue | usual |
| sore throat | usual |
| joint pain & swelling | possible |
| meningitis | possible |
| facial paralysis | possible |
| heart palpitations | possible |
| breathlessness | possible |
|
lymphadenopathy,
conjunctivitis,
secondary annular skin lesions, meningitis, peripheral neuritis |
possible |
If a rash appears after 48 hours of tickbite or within several weeks, you may ask your doctor to send a skin biopsy for Lyme culture to PaLMS at Royal North Shore Hospital - before giving antibiotics. For specific instructions about skin biopsy collection and transportation to PaLMS call: 9926 8480.
If your doctor tests you for Spotted Fever, please remember to return for a second test 10 days later. It is important have the second test to prove the diagnosis.
See also Other rickettsial infections in Australia