What is a Sore Throat?
A sore throat refers to pain, irritation, dryness or discomfort in the throat. It is a symptom rather than a single disease and can develop for many different reasons. Most viral sore throats improve naturally as the underlying infection resolves.
Pharyngitis is a common cause of a sore throat. Pharyngitis is the inflammation of the pharynx, which is the area at the back of the throat. However, throat discomfort can also arise from inflammation of the tonsils or larynx, postnasal drip, acid reflux, dryness and other conditions.
Viral respiratory infections are the most common infectious cause of a sore throat. Although bacterial infections are less common, streptococcal pharyngitis is particularly important, as confirmed cases may require antibiotic treatment.
What are the Types of Sore Throat?
A sore throat can be categorised according to its duration and underlying cause rather than as one fixed set of disease types. The various types of sore throat are:
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Acute Sore Throat An acute sore throat develops suddenly and usually lasts several days. Viral respiratory infections cause most cases, although bacterial pharyngitis can also cause acute throat pain. The accompanying symptoms and examination findings may help determine whether testing is required.
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Persistent or Recurrent Sore Throat
A persistent sore throat lasts longer than expected or continues for several weeks. Recurrent sore throat improves and then returns repeatedly. Possible causes include:
- Repeated respiratory infections
- Allergies and postnasal drip
- Acid reflux
- Mouth breathing
- Smoking
- Air pollution
- Voice strain
- Recurrent tonsillitis
Persistent symptoms require assessment when the cause is unclear.
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Infectious Sore Throat Viruses cause most infectious sore throats. Common respiratory viruses can produce throat irritation together with coughing, nasal congestion, sneezing or hoarseness. Bacterial infections can also cause pharyngitis. Streptococcal infection is an important bacterial cause of sore throat, particularly among school-aged children.
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Non-Infectious Sore Throat Not every sore throat results from an infection. Dry air, allergies, postnasal drip, smoke, pollution, chemical irritants, prolonged voice use and acid reflux can all irritate throat tissues. Treating the underlying trigger is usually more useful than antibiotics in these situations.
How Common is Sore Throat in India?
Sore throat is common in India, but there is no reliable nationwide prevalence estimate covering all causes and age groups. As per a systematic review, group A streptococcal infection was present in approximately 13% of symptomatic pharyngitis cases among children aged 5 to 15 years of age. However, results varied considerably between studies.
What are the Symptoms of Sore Throat?
The symptoms accompanying a sore throat vary depending on its cause. A mild viral illness may produce throat irritation with nasal symptoms, while bacterial infection or another serious condition may cause more prominent fever, swelling or swallowing difficulty.
The early warning signs and severe symptoms of a sore throat are given in the table below:
| Early Warning Signs | Severe Symptoms |
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White patches or tonsillar swelling may occur with some infections. However, their presence alone cannot confirm whether an infection is bacterial.
Diseases Similar to Sore Throat
A sore throat is a symptom rather than a single disease. Several conditions involving nearby structures can therefore produce similar discomfort.
A comparative overview of sore throat, tonsillitis and laryngitis has been provided in the table below to highlight their distinct features:
Sore Throat Vs. Tonsillitis Vs. Laryngitis
| Feature | Sore Throat / Pharyngitis | Tonsillitis | Laryngitis |
| How It Happens | The pharynx becomes irritated or inflamed from infection or other causes | The tonsils become inflamed, usually from viral or bacterial infection | The voice box becomes inflamed or irritated |
| Location | Mainly the back of the throat | Tonsils on either side of the throat | Larynx or voice box |
| Associated Symptoms | Throat pain, swallowing discomfort, fever or respiratory symptoms | Enlarged red tonsils, swallowing pain, fever and sometimes exudate | Hoarseness, weak voice, throat irritation and dry cough |
| Severity | Usually mild but depends on the cause | Ranges from mild to severe infection | Usually self-limiting but may persist with continued irritation |
| Can It Be Reversed? | Usually improves when the underlying cause resolves or is treated | Usually resolves with appropriate care; recurrent cases may need further assessment | Usually improves with voice rest and treatment of the cause |
What Causes Sore Throat?
Many different conditions can cause throat pain or irritation. Different causes of a sore throat are given below:
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Viral Infections
Viruses cause most acute sore throats. They may also produce:
- Runny nose
- Nasal congestion
- Cough
- Sneezing
- Hoarseness
- Fever
- Body aches
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Bacterial Infections Several bacteria can cause a throat infection. An important cause is group A Streptococcus, which produces streptococcal pharyngitis or strep throat. Bacterial infection cannot always be identified from symptoms alone. Testing may therefore be needed when streptococcal infection is suspected.
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Allergies and Postnasal Drip Allergies can increase mucus production within the nose. Mucus draining down the back of the throat can repeatedly irritate the throat and cause discomfort.
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Dry Air and Mouth Breathing Dry indoor air can make the throat feel rough or scratchy. People with a blocked nose may breathe through their mouth, particularly while sleeping. This can dry and irritate the throat tissues.
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Smoke and Environmental Irritants Cigarette smoke, air pollution, dust and chemical fumes can irritate the throat. Persistent exposure may lead to repeated throat discomfort even without infection.
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Voice Strain Prolonged speaking, shouting or singing can strain tissues involved in producing sound. The resulting irritation may produce throat discomfort and hoarseness.
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Acid Reflux
Stomach contents can sometimes travel upwards into the esophagus and throat. Repeated reflux may cause:
- Burning throat discomfort
- Hoarseness
- Throat clearing
- Cough
- A sensation of something being stuck in the throat
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Less Common Causes Persistent throat pain can occasionally result from an abscess, significant swelling or another structural problem. Rarely, persistent unexplained throat pain may be associated with tumours involving the throat or nearby tissues. These possibilities are uncommon but become more important when symptoms persist or unusual warning signs develop.
What are the Risk Factors for Sore Throat?
Anyone can develop a sore throat, but some factors increase the likelihood. The risk factors of a sore throat are listed below:
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Close Contact With Others: Respiratory infections spread more easily in schools, offices, public transport and crowded settings.
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Young Age: Children and teenagers experience respiratory infections frequently and have a higher likelihood of streptococcal pharyngitis.
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Smoking: Tobacco smoke directly irritates the throat.
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Secondhand Smoke: Regular exposure to smoke can also cause irritation.
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Air Pollution: Dust, smoke and other pollutants can aggravate throat tissues.
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Allergies: Nasal inflammation and postnasal drip can repeatedly irritate the throat.
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Frequent Nasal Congestion: Mouth breathing can dry the throat.
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Acid Reflux: Repeated reflux can produce chronic throat irritation.
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Voice Overuse: Frequent shouting, singing or prolonged speaking can strain the throat.
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Reduced Immunity: Certain illnesses and immune-suppressing treatments can increase susceptibility to infection.
Risk factors differ according to the underlying cause of the sore throat.
What are the Complications of Sore Throat?
Most sore throats resolve without complications. A sore throat itself does not usually cause serious problems. Complications occur because of the underlying condition, particularly certain bacterial infections or deep infections around the throat.
Some complications associated with a sore throat are given below:
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Peritonsillar Abscess
A pocket of pus can occasionally develop beside an infected tonsil. Symptoms may include:
- Severe one-sided throat pain
- Fever
- Difficulty opening the mouth
- Difficulty swallowing
- Drooling
- Muffled voice
Prompt medical treatment is required in case of these symptoms.
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Deep Neck Infection Rarely, infection can spread into deeper tissues of the neck. A deep infection can cause significant swelling and may interfere with swallowing or breathing. In this case, a hospital treatment may be required.
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Airway Obstruction
Severe swelling around the throat can rarely narrow the airway. Warning signs include:
- Difficulty breathing
- Noisy breathing
- Drooling
- Inability to swallow
- Rapidly increasing swelling
Airway obstruction is a medical emergency.
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Acute Rheumatic Fever Untreated streptococcal pharyngitis can occasionally lead to acute rheumatic fever. This immune-related complication can affect the joints, heart, nervous system and other tissues. Appropriate treatment of confirmed streptococcal throat infection reduces this risk.
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Post-Streptococcal Kidney Inflammation Kidney inflammation can rarely occur after certain streptococcal infections. It develops because of an immune response rather than a bacteria directly infecting the kidneys.
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Dehydration Severe swallowing pain may cause a person to drink less than usual. Children and older adults may be especially vulnerable to dehydration.
When Should I See a Healthcare Provider?
Most mild sore throats improve without medical treatment. Medical assessment is advisable when symptoms persist, become severe or are accompanied by unusual features.
It is recommended to seek medical advice for:
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A sore throat lasting longer than about one week
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Repeated sore throats
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High or persistent fever
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A significant rash
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Enlarged or painful neck lymph nodes
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Severe tonsillar swelling
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Persistent hoarseness
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Blood in saliva or phlegm
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Unexplained weight loss
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A neck lump
Urgent medical attention is necessary if you experience:
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Difficulty breathing
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Severe difficulty swallowing
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Inability to swallow saliva
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Drooling
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Noisy breathing
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Severe dehydration
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Rapidly increasing throat or neck swelling
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A markedly muffled voice
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Severe one-sided throat pain with difficulty opening the mouth
Children with severe symptoms or difficulty drinking should be assessed promptly.
How is Sore Throat Diagnosed?
Diagnosis of a sore throat begins by identifying the likely cause. Many uncomplicated viral sore throats can be diagnosed from the history and physical examination without laboratory testing.
The following tests and assessments may be used by doctors to diagnose a sore throat:
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Medical History
The healthcare professional may ask:
- When the symptoms began
- Whether swallowing is painful
- Whether a fever is present
- Whether coughing or nasal symptoms are present
- Whether there has been contact with someone who was ill
- Whether symptoms keep returning
- Whether allergies or acid reflux are present
- Whether the person smokes
- Whether unusual breathing or swallowing symptoms have developed
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Physical Examination The mouth and throat are examined for redness, swelling and tonsillar changes. The neck may be checked for enlarged or tender lymph nodes. The nose, ears and breathing may also be assessed depending on the symptoms.
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Rapid Strep Test When streptococcal pharyngitis is suspected, a throat swab may be tested rapidly for bacterial antigens. A positive result can support the diagnosis of streptococcal pharyngitis.
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Throat Culture A throat swab can also be sent to a laboratory for culture. Culture can detect group A streptococcal bacteria and is particularly useful when confirmation is needed.
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Other Tests Additional tests are not required for most sore throats. However, selected patients may need testing for viral infections, infectious mononucleosis or other causes depending on their symptoms and medical history.
How is Sore Throat Treated and Managed?
Treatment of a sore throat depends on the cause rather than the throat pain alone. Common treatment and management approaches for a sore throat are given below:
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Viral Sore Throat
Most viral infections improve naturally. Management focuses on:
- Adequate fluids
- Rest
- Warm drinks
- Salt-water gargles when suitable
- Pain and fever relief
- Avoiding smoke and other irritants
Antibiotics do not treat viral infections.
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Bacterial Sore Throat Confirmed streptococcal pharyngitis is treated with an appropriate antibiotic. Treatment helps reduce transmission and lowers the risk of certain complications. The antibiotic and treatment duration depend on the medicine selected and the patient's individual circumstances.
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Allergy-Related Sore Throat Treatment focuses on controlling the underlying allergy and reducing postnasal drip. Avoiding known triggers can also help.
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Reflux-Related Sore Throat
Treatment focuses on controlling reflux. Helpful measures can include:
- Avoiding large meals close to bedtime
- Reducing foods that trigger symptoms
- Maintaining a healthy body weight where appropriate
- Raising the head during sleep in selected cases
- Using acid-reducing treatment when medically appropriate
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Severe or Complicated Sore Throat An abscess, airway swelling or another serious underlying condition may require urgent hospital-based treatment. Procedures are occasionally needed to drain an abscess or treat another structural problem.
Common Medicines Used to Treat Sore Throat
Medicines for a sore throat should be selected according to the underlying cause. Common medicines that may be used to treat a sore throat are given below:
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Paracetamol: Can reduce throat pain and fever when taken appropriately.
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Ibuprofen: May be used to reduce pain, fever and inflammation when medically suitable. It may not be appropriate for people with certain stomach, kidney, cardiovascular or bleeding problems.
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Throat Lozenges and Topical Treatments: May be prescribed to provide temporary relief by soothing or numbing irritated throat tissues. Age restrictions and product instructions should be followed carefully.
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Antibiotics: These may be used when an appropriate bacterial infection is diagnosed. For streptococcal pharyngitis, narrow-spectrum antibiotics such as penicillin-based treatment are commonly preferred when suitable. Broad-spectrum antibiotics should not be used routinely for an uncomplicated sore throat.
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Allergy Medicines: Antihistamine treatment may help when allergies and postnasal drip are contributing to throat irritation.
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Acid-Reducing Medicines: Antacids or acid-suppressing medicines may be considered when reflux is causing persistent throat symptoms. Long-term reflux treatment should be based on proper assessment rather than repeated self-medication.
Note: Antibiotics should never be taken simply because throat pain is present. Always take medications under the supervision of a qualified healthcare practitioner.
Living With Sore Throat: Daily Challenges and Caregiving
Most sore throats are temporary, but pain can still affect eating, drinking, sleeping and speaking. Some of the challenges and care points for patients with a sore throat are:
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Challenges
- Painful Swallowing: Eating and drinking may become uncomfortable.
- Sleep Disturbance: Coughing, dryness or pain can interrupt sleep.
- Speaking Difficulties: Throat pain or hoarseness can affect work and communication.
- Reduced Energy: Viral infections may cause fatigue and body weakness.
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Patient Well-Being
- Maintain Hydration: Regular fluid intake can prevent dehydration and soothe throat dryness.
- Choose Comfortable Foods: Soft foods and warm or cool fluids may be easier to swallow.
- Reduce Throat Irritation: Rest the voice and avoid cigarette smoke, dust and strong fumes.
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Expenses
- Consultation Costs: Persistent symptoms may require medical review.
- Diagnostic Costs: Throat tests may be needed when bacterial infection is suspected.
- Medicine Costs: Pain relief or cause-specific medicines add to treatment expenses.
- Hospitalisation: Complicated infections may lead to additional hospital or procedural costs.
What is the Prognosis for Sore Throat?
The prognosis for most sore throats is favourable. Viral sore throats generally improve within three to ten days. Symptoms caused by bacterial infection usually improve after appropriate treatment.
Persistent throat discomfort has a different outlook because recovery depends on the cause. Allergy, reflux, smoking, pollution or repeated voice strain can continue producing symptoms until the underlying trigger is addressed.
A sore throat lasting longer than expected, recurring frequently or accompanied by unusual warning signs should be medically assessed.
How Can I Prevent a Sore Throat?
Not every sore throat can be prevented because the causes vary widely. However, several measures can reduce exposure to infectious causes and limit throat irritation. These measures are given below:
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Wash hands regularly with soap and water.
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Use hand sanitiser when handwashing is unavailable.
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Avoid sharing drinking glasses, bottles and eating utensils.
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Cover coughs and sneezes appropriately.
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Avoid close contact with people who have active respiratory infections when practical.
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Avoid smoking and secondhand smoke.
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Reduce exposure to dust, strong fumes and other irritants.
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Manage allergies appropriately.
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Treat persistent acid reflux when required.
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Maintain adequate hydration.
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Avoid excessive voice strain.
People with an infectious sore throat should also follow measures that reduce the spread of respiratory secretions to others.
Sore Throat Treatment Cost in India
Most sore throats require relatively inexpensive outpatient care. Costs rise when diagnostic testing, specialist assessment or treatment for an underlying condition becomes necessary.
An overview of approximate costs of sore throat treatment in India is provided in the table below:
| Treatment Component | Approximate Cost in India |
| General or ENT consultation | ₹500 - ₹1,500 |
| Basic pain-relief medicines | ₹50 - ₹300 |
| Throat swab or culture | ₹400 - ₹1,200 |
| Other laboratory tests, when required | ₹300 - ₹1,500 |
| Tonsillectomy for selected tonsillar disease | Approximately ₹13,000 to ₹68,000 |
Note: These are indicative estimates rather than fixed charges. Actual costs may vary depending on hospital, location and treatment required. For more accurate estimates, consult a doctor or hospital representative.
Does Health Insurance Cover Sore Throat in India?
Yes. Health insurance covers sore throat treatment. An uncomplicated sore throat is usually managed as an outpatient condition. Hence, a standard health policy will pay for outpatient consultations, throat tests or medicines if it comes with an OPD cover.
In case of a severe infection or complication requiring hospital admission, mediclaim policies will pay for eligible expenses, including:
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In-patent hospitalisation expenses
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In-patient diagnostic tests
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Intravenous treatment
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Procedures for complications
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Eligible surgery
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Pre- and post-hospitalisation expenses
Coverage for tonsillectomy or other procedures depend on medical necessity and waiting periods. Sore throat resulting from a pre-existing condition can have a waiting period of up to 36 months.
How Much Health Insurance Coverage is Needed for Sore Throat Treatment?
There is no specific health insurance sum insured required for a sore throat. Most uncomplicated episodes of sore throat involve relatively small outpatient expenses, so the amount of hospital cover should be chosen according to wider healthcare needs rather than sore throat alone.
A medical coverage of approximately ₹5 to ₹10 lakh may provide basic hospitalisation protection. On the other hand, a cover of ₹15 to ₹20 lakh can provide broader financial protection against major healthcare expenses and treatment of complications.
For people mainly concerned about repeated consultations and minor tests for sore throat, OPD and diagnostic benefits may be more relevant than increasing the sum insured.
Frequently Asked Questions (FAQs)
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Q1. What is a sore throat?
Ans: A sore throat refers to pain, irritation or scratchiness in the throat. These symptoms often become more apparent while swallowing or speaking. -
Q2. What are the early symptoms of sore throat?
Ans: Early symptoms of a sore throat are usually dryness, scratchiness, throat irritation and mild pain while swallowing. -
Q3. How long does a sore throat usually last?
Ans: A viral sore throat often improves within several days and usually resolves within about three to ten days.
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References
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https://pmc.ncbi.nlm.nih.gov/articles/PMC3439613/
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https://www.cdc.gov/sore-throat/about/index.html
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https://www.starhealth.in/health-insurance/coverage-tonsillitis-health-insurance-plan/
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