How is Rabies Diagnosed

Doctors diagnose rabies by looking at a person’s exposure history, symptoms and lab tests. If someone has been bitten by an animal, treatment usually begins right away without waiting for lab results.

However, if there are symptoms of rabies, like fever and tingling or itching at the bite area, the doctor may conduct the following diagnostic methods:

  • Assessment of the animal bite or scratch

  • Detailed exposure history

  • Reverse transcription polymerase chain reaction (RT-PCR) to detect the rabies virus

  • Direct fluorescent antibody (DFA) testing

  • Skin biopsy from the nape of the neck

  • Saliva testing for viral RNA

  • Blood and cerebrospinal fluid (CSF) tests in selected cases

How is Rabies Treated Based on Severity

Rabies treatment based on severity is given briefly in the table below:

Severity Clinical Situation Recommended Treatment
Category I Exposure Touching or feeding animals, licks on intact skin No rabies vaccination required if reliable history confirms Category I exposure
Category II Exposure Minor scratches or abrasions without bleeding Immediate wound washing and immediate rabies vaccination
Category III Exposure Deep bites, multiple wounds, saliva exposure to broken skin or mucous membranes Immediate wound care, rabies vaccine and rabies immunoglobulin (RIG)
Clinical Rabies Neurological symptoms such as hydrophobia, aerophobia or paralysis Intensive supportive care; prognosis is extremely poor

Types of Rabies Exposure and Their Treatment

A brief overview of the types of rabies exposure and their treatment is given below:

Exposure Type Examples Treatment
Dog or Cat Bite Bite or scratch from a suspected rabid animal Wound cleansing, rabies vaccination, and RIG if indicated
Wild Animal Exposure Bites from bats, foxes, wolves, monkeys or other wild mammals Immediate post-exposure prophylaxis
Mucosal Exposure Saliva entering the eyes, mouth or broken skin Rabies vaccination with RIG for Category III exposure
Previously Vaccinated Individual Exposure after completing pre- or post-exposure vaccination Two booster vaccine doses; RIG is generally not required

Topical Treatments for Rabies

Though topical treatments do not cure rabies, they can be a first line of care before visiting the doctor. These treatments include:

  1. Immediate Wound Washing Wash the wound thoroughly with soap and running water for at least 15 minutes immediately after exposure to reduce the viral load.

  2. Antiseptic Solutions Once you have washed the area, use an antiseptic like povidone-iodine or 70% alcohol to reduce the amount of virus in the wound. Keep in mind that using only topical treatments will not prevent rabies. Getting vaccinated and, if needed, receiving rabies immunoglobulin are both necessary.

Other Treatments for Rabies

Other treatments for rabies include:

    1. Rabies Vaccination (Post-Exposure Prophylaxis) Rabies vaccination should be started as soon as possible after exposure. Modern cell culture vaccines are highly effective when administered according to the recommended schedule.

    2. Rabies Immunoglobulin (RIG) Rabies immunoglobulin (anti-rabies serum) is given to people with Category III exposures who have not been vaccinated before. It is injected around the wound to give quick protection until the vaccine helps the body build its own immunity.

Human RIG (HRIG), Equine RIG (ERIG) or rabies monoclonal antibodies (RmAbs) like Rabishield are used according to availability and national recommendations.

    1. Pre-Exposure Prophylaxis (PrEP) Getting vaccinated against rabies before any possible exposure is recommended for the following groups:
      • Veterinarians
      • Animal handlers
      • Laboratory personnel handling the rabies virus
      • Wildlife workers
      • Travellers at high risk of exposure

    2. Tetanus Prophylaxis Patients with animal bites may require tetanus vaccine or tetanus immunoglobulin, depending on their vaccination history.

    3. Antibiotic Therapy Doctors may prescribe antibiotics if the bite wound is dirty or shows signs of infection. However, antibiotics do not prevent rabies.

    4. Hospital-Based Supportive Care

      People with clinical rabies need intensive supportive care, which can include:

      • Admission to the intensive care unit (ICU)
      • Mechanical ventilation if the person has trouble breathing
      • Careful management of fluids and electrolytes
      • Controlling seizures
      • Managing pain
      • Providing nutritional support

Supportive care can help make patients more comfortable, but there is currently no proven cure for rabies once symptoms appear.

Oral Medications for Rabies

No oral antiviral medicines can prevent or cure rabies. To prevent rabies, it is important to clean wounds quickly and get vaccinated. However, doctors may prescribe oral medicines to help with pain, fever, or bacterial infections that can happen after animal bites. These can include:

  • Paracetamol: Relieves pain and fever.

  • Ibuprofen: May reduce pain and inflammation.

  • Amoxicillin-Clavulanate: Commonly prescribed for high-risk animal bite wounds.

  • Doxycycline + Metronidazole: May be used for patients allergic to penicillin when appropriate.

  • Cetirizine: May help manage mild allergic reactions following vaccination.

Note: Oral medicines cannot replace rabies vaccination or rabies immunoglobulin after a high-risk exposure.

Home Care for Managing Rabies

Proper wound care and adherence to the vaccination schedule are essential after an animal bite or scratch. Recommended home care measures to manage rabies include:

  • Wash the wound thoroughly with soap and running water for at least 15 minutes immediately after exposure.

  • Apply an antiseptic solution such as povidone-iodine if available.

  • Keep the wound clean and dry.

  • Complete the full course of rabies vaccination per schedule as advised.

  • Observe the biting dog or cat for 10 days, if appropriate and advised by a healthcare professional.

  • Seek immediate medical attention if the wound becomes red, swollen, painful or produces pus.

  • Avoid applying traditional remedies such as chilli, turmeric, lime, ash or herbal pastes to the wound.

How Long Does Rabies Treatment Take

Different rabies treatments and the approximate duration for them to effect are mentioned in the table below:

Treatment Approximate Duration
Immediate Wound Washing At least 15 minutes immediately after exposure
Rabies Vaccine (Post-Exposure Prophylaxis) Usually completed over 14 - 28 days, depending on the recommended schedule
Rabies Immunoglobulin or Monoclonal Antibody Single administration on Day 0
Follow-Up Wound Care Until complete wound healing

Rabies Treatment Side Effects

Rabies vaccines and immunoglobulins are generally safe. However, mild side effects may occur after treatment. Common side effects include:

  • Pain, redness or swelling at the injection site

  • Mild fever

  • Headache

  • Fatigue

  • Muscle pain

  • Nausea

  • Dizziness

  • Mild allergic reactions

  • Temporary soreness around the wound after rabies immunoglobulin administration

Severe allergic reactions are rare, but if they occur, you might require immediate medical attention.

Lifestyle Changes for Managing Rabies

After an animal bite, it is important to take steps to prevent infection and avoid getting bitten again. Here are some recommended steps you can take to manage rabies:

  • Make sure to finish the entire rabies vaccination schedule.

  • Care for your wound as instructed by your healthcare provider.

  • Stay away from stray or wild animals.

  • Make sure your pets are vaccinated against rabies.

  • Watch children closely when they are near animals they do not know.

  • If you or someone else is bitten or scratched by a high-risk animal, get medical help right away.

  • Keep the wound clean and practise good hygiene as it heals.

Triggers That Can Worsen Rabies Symptoms

The following factors can raise the risk of getting rabies or make treatment less effective:

  • Delaying medical treatment after exposure

  • Failure to complete the rabies vaccine schedule

  • Not receiving rabies immunoglobulin or monoclonal antibodies for Category III exposure

  • Inadequate wound washing

  • Deep bites on the head, neck or face

  • Multiple bite wounds

  • Exposure to confirmed rabid animals

Rabies Treatment Cost

In India, the cost of rabies treatment depends on how you were exposed, your vaccination schedule, and whether you need rabies immunoglobulin or monoclonal antibodies. Getting vaccinated after exposure usually costs between ₹2,000 and ₹5,000 at private hospitals. Government hospitals often give rabies vaccines for free or at lower prices. Rabies immunoglobulin (ERIG/HRIG) can cost about ₹6,000 to ₹9,000, depending on the type and dose. You might also incur extra costs for wound care, tetanus shots, antibiotics, or hospital stays, if required.

Does Health Insurance Cover Rabies Treatment in India

Yes. Most comprehensive health insurance plans in India cover medically necessary hospitalisation and treatment for animal bites. Coverage can include in-patient care, rabies vaccination, rabies immunoglobulin or monoclonal antibodies, and wound management, subject to policy terms & conditions and waiting periods.

However, outpatient consultations and rabies vaccines received in an outpatient setting may be covered only if the policy includes OPD benefits and vaccine cover. Moreover, waiting periods may apply for outpatient vaccine coverage.

FAQs

  • Q1. Can rabies be cured after symptoms appear?

    Ans: No. If symptoms of rabies have already started, the disease is almost always fatal. It is very important to get post-exposure treatment as soon as possible, before any symptoms appear.

  • Q2. How soon should rabies treatment begin after an animal bite?

    Ans: Rabies treatment should begin within 24 to 72 hours after exposure, preferably immediately after washing the wound. Delaying treatment increases the risk of infection.

  • Q3. Is the rabies vaccine effective?

    Ans: Yes. Modern rabies vaccines are very effective at preventing rabies if you get them promptly and follow the recommended schedule.

  • Q4. Who needs rabies immunoglobulin?

    Ans: Rabies immunoglobulin or rabies monoclonal antibodies are recommended for Category III exposures in people who have not previously been vaccinated against rabies.

  • Q5. Can I stop the rabies vaccine if the biting dog remains healthy?

    Ans: If the involved dog or cat remains healthy during the 10-day observation period, a healthcare professional will determine whether the rabies vaccination schedule can be modified. Do not stop vaccination without medical advice.

  • Q6. Which doctor should I see for an animal bite?

    Ans: You can go to a general physician, an emergency medicine doctor or an infectious disease specialist for immediate medical attention and treatment of an animal bite.

  • Q7. Can traditional remedies prevent rabies?

    Ans: No. Traditional or herbal remedies cannot prevent rabies and should never replace evidence-based medical treatment.

  • Q8. Can rabies be prevented before exposure?

    Ans: Yes. Pre-exposure vaccination (PrEP) is recommended for people at high risk of rabies, such as veterinarians, laboratory workers, wildlife handlers and others with frequent exposure to animals.
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