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One of the commonest causes of illness, a sore throat often clears up on its own, but knowing what's causing it is important to treat it properly. Viral, bacterial, or caused by allergic elements - these kinds of sore throats have different characteristics that need different responses.
Sore throats have several origins, including infection and environmental factors. Some common causes include:
Viral infections: Viruses cause 90% of sore throat cases. Sore throats may result due to flu or common cold as well as those from chickenpox and measles that can all cause irritation.
Bacterial Infections: Streptococcus bacteria, the most common cause of strep throat, is the most common bacterial source. Strep throat is contagious and can lead to complications if untreated.
Allergies: Pollen, pet dander, and mold can trigger throat irritation, often accompanied by postnasal drip, sneezing, and watery eyes.
Environmental Factors: Dry air, pollution, and smoke can dry out or irritate the throat, creating a scratchy sensation.
Other Causes: GERD, vocal strain, even tumors may be responsible for chronic sore throats.
Determining your cause of sore throat requires analysis of symptoms that accompany it, how long the sore throat lasts, and how bad the sore throat is.
The viruses that cause a sore throat are usually similar to a cold in their symptoms and tend to be milder than bacterial infections.
- Red, swollen throat without white patches
- Persistent cough
- Runny nose and nasal congestion
- Fever, usually mild
Duration: Viral infections last for 7–10 days without antibiotics.
Treatment: Home remedies, such as warm fluids, saltwater gargling, and over-the-counter pain relievers can help alleviate it.
Also Read: Flu Season Grips 40 States In US, CDC Reports Alarming Numbers
Bacterial sore throats, mainly strep throat, are more severe and require prompt medical attention to prevent complications.
- Red and swollen tonsils with white patches or streaks of pus
- High fever
- Absence of a cough
- Nausea, vomiting, or stomach pain (especially in children)
- Small red spots on the roof of the mouth
Diagnosis: Rapid strep tests or throat cultures confirm the presence of bacteria.
Treatment: Antibiotics are necessary to eliminate the infection. Without treatment, complications like rheumatic fever or abscesses can develop.
Throat irritation is caused by postnasal drip. Allergies create a buildup and drip of mucus down the back of the throat.
- Irritation of the throat and ears
- Runny eyes, sneezing, and nasal congestion
- These symptoms are usually relieved by antihistamines or removal from the source of the allergen
Duration: Allergic sore throats are sustained for as long as the allergens are exposed.
A sore throat should be taken to a doctor if:
- The condition lasts more than a week.
- There is shortness of breath or swallowing becomes painful.
- Swelling is too pronounced or the pain in the throat is extreme.
- High fever, rash, or joint pain occur along with the sore throat.
- A child shows signs of dehydration or refuses fluids due to throat pain.
Early diagnosis can prevent complications and speed recovery.
Viral infections and allergies often respond well to non-invasive treatments:
Let your body rest sufficiently. Humidifying dry air will help keep the throat moist, especially when winter is on its way.
Bacterial infections require antibiotics such as penicillin or amoxicillin. Finish the treatment completely to avoid reoccurrence or resistance.
Prevention is better than cure, and simple lifestyle changes can reduce your risk:
Understanding the cause of your sore throat—whether viral, bacterial, or allergic—is key to effective treatment and recovery. While many sore throats resolve on their own, seeking timely medical advice for persistent or severe symptoms can prevent complications. Prioritize self-care, and don’t hesitate to consult a doctor when needed. Remember, your throat’s health is a vital part of your overall well-being.
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Oral Rehydration Solution (ORS) is one of the simplest yet most effective life-saving solutions that every household should keep readily available, doctors said on World ORS Day.
Observed every year on July 29, World ORS Day raises awareness about the importance of ORS—a scientifically formulated mix of glucose and electrolytes, including sodium and potassium—that helps prevent and treat dehydration caused by diarrhea, vomiting, fever, heat, and excessive sweating.
First introduced in 1969, ORS has transformed the treatment of dehydration worldwide. Since 2003, the World Health Organization (WHO) and UNICEF have recommended a low-osmolarity ORS formula, which improves fluid absorption and reduces the need for intravenous fluids. Today, ORS remains the gold standard for preventing and treating dehydration, particularly in children and people living in resource-limited settings.
Dr. Ranjana Bhatt, Associate Director - Internal Medicine, Paras Health, Panchkula, told HealthandMe that ORS is not a medicine that cures the underlying illness but is designed to prevent and correct dehydration.
Dehydration occurs when the body loses more water and electrolytes than it takes in, most commonly due to diarrhea or vomiting. It can develop rapidly, especially in young children, older adults, and people with chronic illnesses.
ORS works through a well-established biological process in the small intestine. It contains the right balance of glucose and sodium, which are absorbed together through special proteins called sodium-glucose cotransporters (SGLTs). As sodium enters the bloodstream, water follows, allowing the body to rehydrate efficiently.
This mechanism makes ORS more effective than plain water—and often more effective than many commercial sports drinks—for replacing lost fluids and electrolytes quickly and safely.
"Recognizing the early signs of dehydration, such as excessive thirst, dry mouth, dizziness, reduced urination, and unusual fatigue, and starting ORS promptly can prevent serious complications. On ORS Day, we encourage every family to make ORS a household essential and use it appropriately while seeking timely medical care whenever symptoms are severe or persistent," Dr. Bhatt said.
Dr. Amit Prakash Singh, Consultant - Internal Medicine, CK Birla Hospital, Delhi, told HealthandMe that ORS is one of the simplest, most affordable, and most effective ways to prevent dehydration.
"ORS is accessible for almost everyone, and the product is recommended by the World Health Organization to start treating dehydration caused by diarrhea at home. Having ORS packets at home enables treating dehydration without going to the doctor first and potentially avoiding hospitalization," he said.
Besides diarrhea, ORS can help replace fluids and electrolytes lost due to:
"ORS is not just for diarrhea. Whenever there is a lot of fluid loss or electrolyte loss, ORS can be used. ORS can be consumed for vomiting due to gastroenteritis, food poisoning, or viral infection (provided the person can sip small amounts repeatedly)," Dr. Singh said.
Doctors caution that ORS only replaces lost fluids and electrolytes—it does not treat the underlying disease.
It may help prevent dehydration after fever, vomiting, or excessive sweating, but it is not a treatment for abdominal pain, acidity, indigestion, constipation, gastritis, or irritable bowel syndrome (IBS). Persistent or severe symptoms should always be evaluated by a healthcare professional, Dr Singh said.
When buying ORS, check the following:
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Liver disease is unusual among serious conditions in that it can progress significantly without producing symptoms that would prompt most people to seek medical attention. Hepatitis, which is inflammation of the liver, is the most common starting point for that progression.
It may be caused by viral infections including Hepatitis B and Hepatitis C, excessive alcohol consumption, fatty liver disease, certain medications, or autoimmune conditions. In many cases, the person carrying it feels entirely well while damage accumulates over months and years.
The liver does regenerate, but that capacity has limits. When inflammation persists, healthy liver cells are progressively replaced by scar tissue, a process called fibrosis.
Continued scarring eventually produces cirrhosis, where the liver loses its structural integrity and its ability to perform the functions the body depends on it for, such as processing toxins, producing proteins involved in blood clotting, regulating metabolism, and supporting digestion. At this stage, the damage is largely irreversible.
The timeline from hepatitis to cirrhosis typically spans years or even decades, which is precisely what makes delayed diagnosis so consequential. Each year of untreated inflammation is a year of accumulated scarring.
By the time cirrhosis produces obvious symptoms such as jaundice, abdominal swelling from fluid accumulation, internal bleeding from enlarged veins in the oesophagus, cognitive changes from toxin build-up, kidney involvement, the disease has already reached an advanced stage. Cirrhosis also carries a significantly elevated risk of liver cancer.
The clinical picture is meaningfully better when liver disease is identified early. Effective antiviral medications can control chronic Hepatitis B and cure most cases of Hepatitis C, substantially reducing the risk of progression.
Fatty liver disease, when caught before significant fibrosis has occurred, can often be reversed through weight management, blood sugar control, reduced alcohol intake, and consistent physical activity. These interventions are accessible, evidence-based changes that work when applied before the disease has advanced.
Screening is where early identification happens. Blood tests measuring liver enzymes and imaging studies can detect liver inflammation and early fibrosis well before symptoms appear.
For individuals with diabetes, obesity, a family history of liver disease, a history of blood transfusions, or other known risk factors, periodic liver assessment is a practical and important part of routine care rather than an optional precaution.
The pattern that gastroenterologists consistently encounter is patients presenting with advanced liver disease who had risk factors identifiable years earlier. Hepatitis B and C are both detectable through simple blood tests.
Fatty liver shows up clearly on ultrasound. The window for effective intervention exists, and it is considerably wider earlier in the disease than most people assume when they have never been tested.
This draws attention to a disease that carries a substantial global burden but remains widely undertreated because it does not announce itself. For anyone with known risk factors, or who has never had their liver function assessed, the appropriate response to that is a conversation with a physician, before symptoms, rather than after.
By Dr. Saswata Chatterjee, Senior Consultant – Gastroenterology, CMRI Hospital
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Smoking, diabetes, high blood pressure, high cholesterol, and obesity have always been recognized as major risk factors for heart disease.
New research has emerged saying these preventable conditions may do more harm than simply contribute to plaque buildup in the arteries. They may also encourage the formation of the most dangerous type of plaque, the kind that is most likely to rupture and trigger a massive heart attack.
The findings, presented at the European Society of Cardiology (ESC) Congress 2026, show that people with a greater number of modifiable cardiovascular risk factors were more likely to have widespread coronary plaque.
They may also have unstable and vulnerable plaques that can suddenly rupture, disrupting blood flow to the heart.
Researchers analyzed coronary artery imaging data to understand how both modifiable and non-modifiable cardiovascular risk factors affect the characteristics of plaque.
The study found that patients with a higher burden of modifiable risk factors had plaques distributed across all three major coronary arteries.
More importantly, these individuals were more likely to develop lipid-rich plaques with thin fibrous caps, a trait of vulnerable plaques that are more likely to rupture.
On the other hand, people whose risk profile was dominated by non-modifiable factors, such as age or genetics, tended to have more stable plaque types.
"Our findings suggest that modifiable cardiovascular risk factors are associated not only with a greater amount of coronary plaque but also with more vulnerable plaque characteristics that are linked to future heart attacks," the researchers said.
Some plaques gradually harden and remain relatively stable for years, causing slow narrowing of the arteries. Others contain large amounts of fat covered by a very thin protective layer known as a fibrous cap.
These unstable plaques can rupture unexpectedly, prompting blood clots to form and suddenly block an artery, leading to a heart attack or stroke.
According to the researchers, individuals with multiple preventable cardiovascular risk factors were significantly more likely to have these high-risk plaques.
Smoking chronically damages the inner lining of blood vessels, making it easier for cholesterol deposits to accumulate while also promoting inflammation and blood clot formation.
High blood pressure places constant stress on artery walls, accelerating plaque development and increasing the likelihood of rupture.
When several of these risk factors occur together, their harmful effects can compound, increasing both the quantity of plaque and likelihood to rupture.
Also read: Vapers & Smokers Have Equally Poor Physical Fitness & Blood Vessel Health, Study Finds
Atherosclerosis is a chronic condition in which fatty deposits made up of cholesterol, inflammatory cells, calcium, and other substances accumulate inside artery walls.
Over time, these deposits narrow the arteries and reduce blood flow to vital organs. The condition often develops silently over decades before causing symptoms.
If a plaque ruptures, a blood clot can rapidly block blood flow, resulting in a heart attack or stroke. Smoking, diabetes, high blood pressure, obesity, and elevated LDL ("bad") cholesterol are among its leading preventable causes.
The researchers said the study highlights the importance of early identification and management of modifiable cardiovascular risk factors through smoking cessation, blood pressure control, diabetes management, cholesterol-lowering treatment, regular physical activity, a healthy diet, and maintaining a healthy weight.
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