Tick Alert Group Support Incorporated


When to seek medical attention

You should seek medical attention if...

Signs and Symptoms of Tick-borne Infectious Diseases (Australia)

Australian Spotted Fever

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
Eschar or 'Black Spot' tickbite lesion associated with Rickettsia australis infection
65% of cases
lymph node swelling usual
stiff neck possible
nausea possible
vomiting  possible
mental confusion possible
spotted rash
Vesicular rash of Australian Spotted Fever; Bernie Hudson, 2002
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.

Lyme-like Disease

Signs/Symptoms Frequency
fever usual
headache  usual
muscle aches usual
'bullseye' rash (erythema migrans)
Erythema Migrans (EM) 'Target' or 'Bullseye' rash (Bernie Hudson)
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
carditis, atrioventricular nodal block, brief attacks of remitting and relapsing asymmetric oligo-articular arthritis in large joints, chronic arthritis, acrodermatitis, behavioural changes, chronic fatigue, severe headaches, memory problems, cardiopathy, encephalopathy, axonal polyneuropathy, leuko-encephalopathy, depression, mood/personality changes, psychosis, dementia, memory impairment, inability to concentrate, sleep disturbance, fatigue, abnormalities of sensation, photophobia (may cause faintness, nausea, and/or panic, resulting in misdiagnosis as a panic attack), phonophobia (can cause falling or vomiting), loss of libido, difficulties speaking or writing, getting lost in familiar places

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.

Were you tested for Spotted Fever?

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