Scrub Typhus

A bacterial infection spread by mite bites, causing fever, headache and often a dark scab-like spot (eschar).

InfectionLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Fever, headache, body aches, rash and a painless black scab at the bite site; can affect lungs, brain and kidneys.

Common Treatments

Antibiotics such as doxycycline or azithromycin, started early.

Risk Factors

Work or play in fields, bushes and forests, especially in the rainy season.

OverviewSymptomsCausesTreatmentFAQ

Overview

Scrub typhus is caused by Orientia tsutsugamushi and is a common cause of fever in India during and after the monsoon.

It responds quickly to the right antibiotics but can be serious if missed.

Symptoms

Fever

With chills.

Headache

Often severe.

Eschar

A black scab, often in skin folds.

Severe illness

Breathlessness or confusion need urgent care.

Causes & Risk Factors

Biological Causes

Infection from bites of infected larval mites (chiggers).

Key Risk Factors

  • Outdoor exposure Farming and forest areas.
  • Season Monsoon and post-monsoon.
  • Rural areas Higher risk.

Management & Treatment

01. Antibiotics

Doxycycline or azithromycin.

02. Hospital care

For complications.

03. Prevention

Cover skin and use repellent outdoors.

Frequently Asked Questions

How is it diagnosed?
Blood tests and looking for an eschar.
Is it contagious?
No.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.