Why Do I Feel Feverish but Don’t Have a Fever?

Even when your thermometer reads normal, feeling feverish can be surprisingly common and often confusing. Many people never develop an actual fever. Instead, they experience sudden warmth, chills, body aches, or a flu-like heaviness that doesn’t match the temperature reading.

A variety of factors, like hormonal changes, increased stress or anxiety, a minor infection, deeper inflammation, dehydration, or temporary changes in your nervous system, can cause these sensations. Understanding these causes can help you understand what your body is trying to signal.

In this article, we’ll look at why you might feel feverish without actually having a fever, when it might be worth paying attention to, and a few easy ways to feel better at home.

Read More: Hay Fever vs. Common Cold: How to Tell the Difference

Common Causes of Feeling Feverish Without a Fever

Numerous physical or emotional factors may cause a person to feel feverish without actually experiencing an increase in body temperature. These are the most typical reasons:

1. Psychogenic Fever:

This stress-related illness may cause fever and elevated body temperature. Hence, chronic stress or severe experiences might cause this disease.

2. Hypoglycemia:

This condition results in dangerously low blood sugar levels and can make you feel hot. People with diabetes who take drugs like insulin and sulfonylurea are more likely to experience this. Other indicators of hypoglycemia could be

• Shaking
• Fear
• Weakness
• Clammy skin
• Sweating
• Hunger
• Feeling queasy
• Drowsiness

3. Hypothyroidism:

Insufficient production of certain thyroid hormones characterizes this disorder. In addition to chills and fever, hypothyroidism can result in:

• Exhaustion
• Dry skin
• Depression
• Constipation
• Lack of focus

4. Heavy Exercise:

Exercise can raise your body temperature and even induce a fever. In a hot gym or on warm days, vigorous activity can increase your body temperature.

When you exercise, your body tries to cool itself by sweating, which occurs when blood from your muscles flows to your skin and raises your heart rate.

In hot and muggy conditions, sweat does not evaporate from your skin. As a result, you may experience symptoms such as chills, clammy skin, nausea, and vomiting associated with heat-related illness.

5. Hangover:

Following a period of excessive drinking, you could experience a hangover, which can make you feel cold without having a fever. Additionally, you might experience symptoms like:

• Fast heartbeat
• Vertigo and dizziness
• Muscle pains and headaches
• Weakness
• Feeling queasy
• Feel like throwing up
• Thirst and sweating

6. An infection of the urinary tract (UTI) or kidney stones:

Inflammation triggered by a UTI or kidney stones can spread throughout the body, leading to chills but no fever.

7. Infections:

If you have the flu, another infection, or a skin abscess, you may feel chills even without a fever. If you have tuberculosis or sepsis, you may also experience this complication.

8. Anemia (Low Iron Levels):

Anemia restricts the transport of oxygen to the tissues. Chills may occur, together with weariness and sensitivity to cold. Often this feels like a low-grade fever.

Read More: Can Hay Fever Make You Dizzy? Surprising Symptoms of Seasonal Allergies

Less Common but Important Causes

Anxiety or Fear:

Extreme happy emotions can also give you shivers through the same network of channels.

Reactions to Medication:

“Chills can frequently be related to medication reactions, and sometimes can be a sign of some pretty serious allergies,” says Dr. Jeffrey Quinlan, M.D., chair and department executive officer of the Department of Family Medicine at the University of Iowa Carver College of Medicine. “And so if you recently started a new medication and start developing recurrent chills, that’s a reason to talk to your doctor right away,” he adds.

A higher likelihood of experiencing chills is associated with the use of diabetes medications, general anesthesia during surgical procedures, and chemotherapy.

Covid:

Before a true fever manifests, an “internal fever” may occur while the body attempts to fight off an infection. Some COVID-19 patients may likely have an “internal fever” before other symptoms appear.

You should keep an eye out for any further symptoms, particularly those that are suggestive of COVID-19, if you sense that you have an “internal fever” developing, including a dry cough, severe weariness, loss of taste and smell, or fever.

Read More: 12 Home Remedies For Hay Fever – Get Them Sneezes Out

When Feeling Feverish Is NOT Serious

While it can be unpleasant to feel feverish when you don’t have a fever, this is usually no cause for concern. You can tell whether these feelings are temporary and harmless by looking out for specific patterns and associated symptoms.

A short-lived cause, such as a temporary stress response, an abrupt change in body temperature, or slight dehydration, is often indicated when the feeling comes on and passes quickly. The feeling is typically associated with hormone or nervous system changes rather than any underlying ailment when it manifests during periods of stress, anxiety, or fatigue.

If those temporary factors like stress, anxiety, fatigue, slight dehydration, temperature changes, or hormone- or nervous-system-related sensations don’t worsen or lead to new problems such as pain, persistent chills, or breathing difficulties, it’s usually a reassuring sign.

When You Should See a Doctor (Red Flags)

Chills that go away quickly on their own, in general, shouldn’t set off any alarms. However, if they keep happening regularly, you must seek medical help if you also have:

• Chest pain or discomfort
• Extreme exhaustion and physical aches
• Hives or swelling
• Elevated heart rate
• Alteration in the frequency, color, or odor of urine

Home Remedies and Treatments

The following techniques will help you feel cooler if you have a fever but aren’t showing an excessive body temperature:

• Avoid going outside in the middle of the day when it’s the warmest.
• Make sure that the inside temperature is cool. Use fans whenever possible.
• Consume a lot of liquids.
• Wear loose-fitting, light clothing.
• Put on layers of clothing.
• Steer clear of alcohol and caffeine, as they dehydrate you and can exacerbate underlying health issues like anxiety.
• Eat fewer hot and spicy foods.

However, you will need to address the underlying cause if a medical issue is making you feel feverish. Among the examples are:

• Behavioral therapy and anti-anxiety drugs for anxiety.
• Monitoring your blood sugar levels and modifying your insulin dosage is necessary for diabetes.
• Modifying the medication you take for your thyroid.

Consult your physician if you experience any new or worsening neurological problems.

Conclusion

It’s pretty common to feel like you have a fever even when your temperature is totally normal. Usually, it is harmless and may be caused by stress, lack of water consumption, hormonal changes, or sensitivity to heat or cold. Even though these sensations can feel a bit unsettling, they’re not always something to worry about.

Many patients find that simply staying tuned in to possible triggers, including level of hydration, stress, hormonal flux, diet, or sleep, restores a healthy balance.

However, it’s advisable to seek medical help if symptoms are frequent, persistent, or accompanied by concerning signs such as unexplained weight loss, chronic exhaustion, persistent chills, or other uncommon symptoms.