throat with fever

Overview

A sore throat with fever is when your throat feels painful, scratchy, or raw, and your body temperature rises above normal. It is often a sign that your body is fighting an infection in the throat or nearby areas, such as the tonsils or voice box.

A sore throat is one of the most common reasons people visit a doctor or stay home from work or school. It becomes even more common in the colder months.

Anyone can get a sore throat with fever, but it is most common in children and teenagers. Adults can also get it, especially if they are around children or in crowded places like offices or public transport.

Symptoms

Common symptoms

• Pain or scratchiness in the throat that gets worse when swallowing
• Fever – a temperature above 100.4°F (38°C)
• Red, swollen throat or tonsils
• Swollen glands in the neck
• Headache or body aches
• Feeling tired or generally unwell

Symptoms in children

• The same symptoms as adults, but children may also refuse to eat or drink
• Drooling more than usual (in very young children)
• A runny nose or cough (more common with viral infections)
• Irritability or crying more than usual

Symptoms in older adults

• A sore throat may be less painful but can still cause trouble swallowing
• Fever may be lower than in younger adults
• Confusion or unusual sleepiness can sometimes occur with infections
• Dehydration can happen quickly, so it is important to keep drinking fluids

Causes

Main causes

• Viral infections: the most common cause, including colds, flu, and COVID-19
• Bacterial infections: such as group A streptococcus (strep throat), which can cause a more severe sore throat
• Other irritants: like dry air, smoke, or allergies, which can make your throat sore and sometimes trigger a mild fever

Risk factors

• Being in close contact with someone who has a sore throat or cold
• Age: children and teenagers are more likely to get strep throat
• Season: more common in winter and early spring
• Smoking or being around second-hand smoke
• A weakened immune system due to illness or certain medications

When to see a doctor

See a doctor urgently if:

• Trouble breathing or swallowing
• A throat that looks very red or has white patches
• A fever above 103°F (39.4°C) or any fever in a baby under 3 months
• Symptoms that last more than a week or get worse
• You have a weakened immune system or other chronic conditions

Book a routine appointment if:

• A sore throat that lasts more than 2 days with fever
• You need a diagnosis to decide about treatment
• Your child has a sore throat and you are worried
• You have repeated sore throats that affect your daily life

Diagnosis

A doctor will ask about your symptoms and look at your throat, ears, and nose. They may also feel your neck for swollen glands and listen to your chest.

Tests that may be done

• A simple swab of the back of the throat (throat swab) to check for bacteria like strep
• A blood test or rapid test if the doctor suspects a specific infection like flu or infectious mononucleosis

What to expect at your appointment

The examination is quick and usually painless. A throat swab tickles for a few seconds. The doctor will explain the results and give you advice on what to do next. You may need to wait a day or two for swab results.

Treatment

Treatment depends on the cause. Viral sore throats get better on their own; bacterial sore throats may need antibiotics. The main goal is to ease pain and fever and keep you comfortable.

Self-care at home

• Drink plenty of fluids like water, warm tea, or broth – not too hot
• Rest your voice and your body
• Gargle with warm salt water (if you are able; not for young children)
• Use throat lozenges or hard sweets to soothe your throat (adults and older children)
• Keep the air moist with a humidifier or a bowl of water in the room

Medical treatments

For bacterial infections like strep throat, a doctor may prescribe antibiotics. You must take the full course as directed. For pain and fever, simple pain relievers available from pharmacies can help. Always ask your pharmacist or doctor which product is suitable for you or your child, and follow the label instructions.

When is surgery considered?

Surgery is rarely needed for a sore throat with fever. In very rare cases, recurrent tonsillitis may lead a doctor to suggest removing the tonsils (tonsillectomy), but this is only after other treatments have been tried and you have had many episodes.

Living with this condition

While you are sick, take things slowly. Stay home from work, school, or public activities until you feel better and the fever has gone. This helps you recover and stops spreading the infection to others.

Lifestyle tips

• Stay hydrated – drink small amounts often
• Eat soft, cool foods like yoghurt, jelly, or ice cream if swallowing hurts
• Avoid smoking and smoky environments
• Get plenty of rest and sleep

Diet and exercise

You may not feel like eating much, but it is important to drink fluids. Eat soft, soothing foods if you can. Avoid spicy, acidic, or very hot foods that may irritate your throat. Once your fever goes down, you can gradually return to your normal activity and exercise, but do not push yourself.

Mental health and emotional wellbeing

Being ill can make you feel low or frustrated, especially if you have to miss out on activities. That is normal. Focus on simple comforts – watching a favourite show, listening to music, or having warm drinks – and remind yourself that most sore throats with fever pass in a few days.

Prevention

You can reduce the risk of getting a sore throat with fever by washing your hands regularly, avoiding close contact with unwell people, and not sharing food, drink, or utensils. Keeping your immune system strong with good sleep and a balanced diet also helps.

Vaccines

Vaccines can protect against some infections that cause sore throat and fever, such as the flu and COVID-19. Ask about the vaccines recommended in your area.

Screening programmes

There is no routine screening for sore throats, but if you have frequent sore throats, your doctor may check for underlying conditions like allergies or reflux.

Complications

If left untreated

• A bacterial sore throat (like strep) can sometimes spread to other parts of the body, such as the sinuses, ears, or skin
• Rarely, untreated strep throat can lead to rheumatic fever, which can affect the heart
• A peritonsillar abscess (a collection of pus near the tonsils) can cause severe pain and trouble opening the mouth – this is a medical emergency

Long-term outlook

For most people, a sore throat with fever is a short-lived illness that improves within a week. With rest, fluids, and the right treatment, you can expect a full recovery. Serious complications are rare, especially if you see a doctor when needed.

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