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Here is a quick mnemonic ” SPOTTED FEVER “ to remember about the Rickettsial Spotted Fever Rash

Rickettsial spotted fever is a group of infectious diseases caused by various species of bacteria belonging to the genus Rickettsia. These bacteria are typically transmitted to humans through the bite of infected ticks, fleas, or lice. One of the most well-known rickettsial diseases is Rocky Mountain spotted fever (RMSF).

Rickettsial infections often cause a characteristic rash, which can be helpful in diagnosing the disease. The rash typically develops within a few days after infection and usually starts as small, flat, pink spots on the wrists, ankles, and forearms. It then spreads to other parts of the body, including the palms, soles, and trunk.

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NEET PG, FMGE, NExT & NCLEX exams

Rickettsial Spotted Fever Rash: How To Remember Easily ?

  • S – “Siberian tick typhus, also known as Rickettsia sibirica, causes maculopapular eruption on proximal extremities.”
  • P – “Petechial rash is a rare manifestation of spotted fever, but it may occur in some cases.”
  • O – “Others, such as Rickettsia conorii and Rickettsia australis, can also cause similar symptoms.”
  • T – “Tick-borne diseases like North Queensland tick typhus, caused by Rickettsia australis, can lead to headache and myalgias.
  • T – “Trunk and face are common sites for the spread of the maculopapular eruption in spotted fever cases.”
  • E – “Eschar formation is a characteristic feature observed at the site of tick bite in spotted fever patients.”
  • D – “Different regions have different prevalent species, like Rickettsia conorii in the Mediterranean region, India, and Africa.”
  • F – “Face involvement is seen in the spreading of the eruption in spotted fever cases.”
  • E – “Exposure to ticks is a risk factor for contracting tick-borne diseases like African tick-bite fever caused by Rickettsia africae.
  • V – “Vesicular rash may rarely occur in some cases of spotted fever, alongside the maculopapular eruption.”
  • E – “Extreme myalgias can be experienced by patients with spotted fever.”
  • R – “Regional adenopathy, or swollen lymph nodes, is a common finding in tick-borne diseases like spotted fever.”


Video On Rickettsial Spotted Fever  To Further Add To Your Knowledge

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department