14 Symptoms of Tonsillitis

2. Sore Throat

A sore throat is often the first noticeable sign of tonsillitis. You may feel pain or irritation that becomes worse when swallowing, talking, or yawning. During this time, the back of the throat often appears red and swollen.

The discomfort can vary from mild scratchiness to more intense pain that makes eating or drinking uncomfortable. A dry or burning sensation may develop, along with a hoarse or strained voice. The tonsils, located on both sides of the throat, may appear enlarged and inflamed, and in some cases, white or yellow patches may be visible on their surface.

As the body responds to throat irritation, swollen or tender lymph nodes in the neck can also develop. Sore throat linked to tonsillitis often appears alongside other symptoms such as fever, headache, or fatigue. When the underlying cause is bacterial, the pain may feel stronger and last longer compared with viral infections.

3. Enlarged Lymph Nodes

Enlarged lymph nodes in the neck are a common sign associated with tonsillitis. These small glands play a role in the body’s immune response and may swell as they react to irritation or infection affecting the throat and tonsils.

You may notice swelling along the sides of your neck or beneath your jaw. These areas can feel tender, slightly firm, or uncomfortable when you touch them. In many cases, both sides of your neck are affected, though the swelling may be more noticeable on one side if one tonsil is more inflamed.

Enlarged lymph nodes often occur alongside other symptoms such as a sore throat, fever, or fatigue. You might also feel a sense of fullness or pressure in your neck rather than sharp pain. As throat irritation improves, the lymph nodes usually return to their normal size.

4. Stomachaches

When you have tonsillitis, you may also notice stomach pain alongside throat discomfort. This pain can feel like mild cramping, pressure, or a general ache in the lower abdomen. While stomachaches are more common in children, they can affect people of any age. Stomach discomfort often occurs as part of the body’s response to infection. Immune activity can cause lymph nodes in the abdomen to swell, which may lead to aching or tenderness.

Nausea and a reduced appetite are also common, and painful swallowing can make eating or drinking less appealing. When meals or fluids are skipped, stomach discomfort may become more noticeable. Some people may feel sick to their stomach or experience vomiting, particularly when tonsillitis is linked to bacterial causes such as strep throat.

5. Bad Breath

Bad breath, also known as halitosis, is a common symptom of tonsillitis. When the tonsils become swollen or irritated, bacteria can collect in small pockets on their surface. These bacteria break down trapped food particles and dead cells, releasing unpleasant odors.

You may notice that brushing your teeth or using mouthwash only provides temporary relief. This happens because the source of the odor often sits deeper in the throat rather than on the teeth or tongue. Mucus buildup and infection can further worsen breath odor, especially when symptoms like sore throat or fever are present.

Simple measures can help reduce the smell while your throat heals. Drinking enough water helps keep the mouth moist, and gentle saltwater gargles may help clear bacteria and mucus from the throat. In most cases, breath odor improves as the infection resolves.

6. Scratchy Voice

A scratchy or hoarse voice can develop when the tonsils and surrounding throat tissues become swollen or irritated. This inflammation can affect how the vocal cords move, causing your voice to sound rough, weak, or strained. You may also notice that speaking feels more effortful or that your voice fades more quickly than usual.

This change often appears alongside a sore throat, since irritation in the throat can dry out sensitive tissues. A scratchy sensation may prompt frequent throat clearing, which can further irritate the area and worsen hoarseness. Prolonged talking or whispering may also place added strain on the voice while the throat is healing.

Staying well hydrated helps keep the throat moist and may ease discomfort. Warm liquids such as tea or broth can feel soothing, and using a humidifier may help reduce dryness in the air. Avoiding cigarette smoke and very dry environments can also limit irritation.

7. Headache

You may develop a headache when your tonsils are swollen or infected. As your body responds to infection, inflammatory substances can create tension and pressure in the head and neck, leading to a dull, aching, or throbbing sensation. This type of headache often appears alongside other symptoms such as sore throat, fever, or fatigue. Increased body temperature and mild dehydration may intensify the discomfort.

Some people notice pressure around the temples or behind the eyes, and the pain can feel more noticeable when swallowing or lying down. Resting in a quiet, dim space can reduce sensory strain, while drinking enough fluids helps replace losses from fever and supports overall recovery. Over-the-counter pain relievers may provide temporary relief for headache or fever.

8. Difficulty Swallowing

Difficulty swallowing often occurs when the tonsils become swollen and irritated. This swelling can narrow the throat space, making it harder for food and liquids to pass through. You may feel as though something is stuck in your throat or notice that swallowing takes more effort than usual. In milder cases, discomfort may appear only while eating or drinking.

With more severe inflammation, even swallowing saliva can feel painful. Children may avoid food or fluids because of the soreness, which increases the risk of dehydration if intake drops too low. Visible changes in the throat may also be present. The tissues can appear red or inflamed, and white patches or streaks may form on the tonsils.

These changes typically improve as the underlying infection resolves. Choosing soft foods such as soup, yogurt, or smoothies can make swallowing easier. Resting the voice and avoiding forceful swallowing can also help reduce strain as the throat heals.

9. Fever

Fever is a common sign that your body is responding to tonsillitis. Your temperature may rise suddenly and can range from mild to above 38°C (100.4°F) as part of the immune system’s natural reaction to infection.

You may feel warm, sweaty, chilled, or unusually tired during this time. Children with fever may seem more irritable, sleepy, or less interested in eating. General weakness and reduced appetite are also common while the temperature remains elevated. Fever often eases as the throat infection improves.

Viral causes tend to produce lower-grade fevers, while bacterial infections such as strep throat are more likely to cause higher temperatures. Rest, staying well hydrated, and using over-the-counter fever-reducing medicines can help manage discomfort.

10. Chills

Chills can occur with tonsillitis, especially when fever is present. They happen as your body responds to infection and works to regulate its internal temperature. You may feel cold, shaky, or begin shivering even when the surrounding environment feels warm.

These sensations often follow the rise and fall of a fever. As body temperature increases, shivering may occur, while sweating can follow as the fever eases. This pattern can leave you feeling tired or uncomfortable. Chills often appear alongside other symptoms such as sore throat, muscle aches, or fatigue, reflecting active immune system involvement. Rest and adequate fluid intake can help support your body during this response.

11. Stiff Neck

A stiff or sore neck can sometimes develop with tonsillitis as nearby throat inflammation places strain on surrounding muscles. This tension may cause discomfort when turning or tilting your head. Swollen lymph nodes along the sides of the neck or under the jaw can add to this stiffness. These enlarged glands may feel tender and limit comfortable movement.

Neck discomfort can also increase when you hold your head in certain positions to avoid throat pain while swallowing. Over time, this posture can lead to muscle tightness around the neck, jaw, or near the ears. If neck stiffness becomes severe, restricts movement, or appears alongside worsening symptoms, seeking medical attention is important.

12. Drooling in Infants

Drooling is common in babies, especially during the first year of life, as mouth muscles and swallowing reflexes are still developing. Saliva production is often higher during this stage and may increase further when teething begins. In most cases, drooling gradually decreases by about 15 to 18 months of age.

When drooling continues beyond early childhood or increases during illness, it may reflect temporary difficulty swallowing rather than normal development. Throat discomfort can make swallowing uncomfortable, allowing saliva to collect in the mouth. When the tonsils are swollen, infants may drool more because swallowing requires extra effort.

13. Refusal to Eat in Young Children

Young children with tonsillitis may refuse food or drinks because swollen and painful tonsils make swallowing uncomfortable. Even soft foods or liquids can cause discomfort, leading a child to turn away from meals, eat less than usual, or become upset when trying to swallow.

This reduced appetite is often linked to throat pain, fever, or fatigue, which can make children feel too unwell to eat. Some may also hesitate to swallow or spit out food, increasing the risk of reduced fluid intake over time. If your child avoids food and fluids for more than a day, appears very weak, or shows signs of dehydration such as dry lips or minimal urination, it is important to take notice.

14. Risk Factors

Certain factors can increase your likelihood of developing tonsillitis. Close contact with people who have colds, sore throats, or other contagious illnesses raises the chance of exposure, especially in settings such as schools, child care centers, or crowded public spaces where germs spread more easily.

Age also plays a role. Children and teenagers tend to be at higher risk due to frequent close contact with others and developing immune defenses. Adults can also be affected, particularly if they are often exposed to infections at work or while caring for children.

Environmental and daily habits can also contribute. Exposure to smoke, polluted air, or very dry indoor conditions may irritate the throat, while sharing utensils, cups, or toothbrushes with someone who is ill can further raise the risk.