Why is my face Red and Warm but no Fever? Top 6 reasons.

Last updated on November 8th, 2023 at 03:01 pm

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You might be confused and wondering why is my face red and warm but no fever having. Yes, it is bit confusing phenomenon. It is puzzling and sometimes can be of concern.

Many of you might having another puzzling question like this. Common questions people may do have regarding this are,

Why does my face feel hot but no fever when sick?

Why is my face red and warm but I don’t have a fever?

Why does my face only, feel hot?

Why does my forehead feel hot but I don’t have fever?

Answers to all these questions are almost same.

If you are finding answer and possible reasons for this, we are going to discuss it here on this article.

Actually, this all phenomena are generally referred as internal fever. Internal fever is generally used term when you feel feverish without rise in body temperature.

Without wasting much time let’s explore the causes of this internal fever.

Before directly go for those reasons, there are some vitals you need to know about.

So, lets discuss them briefly.

Role of blood vessels in redness and warmness of face

1. Dilation

The phenomenon of redness and warmness is closely related to blood vessels. Due to certain conditions blood vessels get dilated which is called vasodilation. This vasodilation allows to flow more blood in blood vessels. This extra blood flow and vasodilation causes redness and warmness of face and no fever.

2. Flushing

Flushing of blood vessels is sudden pouring of blood flow into blood vessels. Certain conditions like anger, excitement, eating spicy food and shock can lead to flushing of blood vessels. This will eventually warm your face and will cause redness over face.

Top reasons why your face is red and warm without fever

1. Common causes

red faces due to human emotions

There are many causes that are common. This condition leads to redness and warmth of face without fever. There could be some emotional triggers like anger, embarrassment and excitement that can make your face red and warm. Other common possible reasons could be skin conditions as allergy to specific substance.

Skin ailment called rosacea, can turn your face into red and warm without fever when over exposure to sun occurs.

Spicy foods, hot beverages and sudden temperature change and tight clothing can trigger your face to redness and warmth.

2. Medications

Some medicine that you are using may be sensitive for your skin. It might be causing some irritation or allergic reaction in you. As a result of this allergic reaction your face may get swollen, red and warm. It is better to stop using those medicines further.

3. Topical and Cosmetic products

Some topical or cosmetic products you are currently using also may cause skin irritation and reaction. Being skin a very sensitive organ it is very susceptible to harmful reactions upon using external products. Let’s see which potential product could cause a red and warm face.

1. Irritating ingredients

Some skin products like moisturizers, fragrances and certain sun protective lotion may contain harsh ingredients that may cause skin irritation.

2. Exfoliants or peels

Exfoliants such as peels and scrubs are being used for cosmetic purposes. Hey really provide skin rejuvenation. But using them too frequently or in high concentration can damage your skin and may cause some allergic reaction over face later.

3. Acne reducing products

Some acne reducing products are very much potential for causing skin related issues. The ingredients like benzoyl peroxide and salicylic acid are effective for acne but still cause dryness and redness over face. You should use them cautiously and under medical guidance only.

4. Retinoids

Retinoids are used in some skin products to treat acne and slowing aging process. This ingredient also can cause skin irritation specially those who are using it for first time. To reduce the aftereffects, try to make use of it in gradual manner. Start applying it on face in lower concentration.

5. Environment sensitive products

Some skin products contain the ingredients that are sensitive to environment specially for sun exposure. The exposure of this ingredients to pollution specially triggers the allergic response.

6. Preexisting skin conditions

red ness and warmness due to various skin infections

The Indvidual have skin conditions as acne, dermatitis, rosacea, eczema is more sensitive to any skin products. So, if you are having this skin conditions try to consult a dermatologist before using these products.

Keeping all points above in consideration it becomes essential to skin friendly products and products containing the gentle formulations and ingredients.

4. Alcohol and Caffeine

alcohol and caffeine

Alcohol and caffeine have the effects on blood vessels and blood circulation. as we have discussed that vasodilation leads to redness and warmness of face. Let’s understand how alcohol and caffeine contributes to face redness and warmth.

A. Alcohol

1. Vasodilation

Alcohol is a vasodilator. When you consume alcohol blood vessels dilates which increases the blood flow in that vessel. When there is increased blood flow in vessels the surface of that skin becomes red and warm.

2. Diuresis

Alcohol is also diuretic drug. Diuretic drugs promote more filtration of water results in increased urine formation. This causes dehydration. Dehydration effects on blood volume and circulation which may cause redness and warmness over face.

3. Histamine

In some of individual alcohol induced histamine release could take place. This histamine leads to allergic reactions which results face red and warm.

B. Caffeine

1. Stress

Caffeine can stimulate the release of cortisol and adrenaline hormones. Which are known to be stress hormone. This hormone can increase mental stress causing redness over face and tensed face.

2. Dehydration

Like alcohol caffeine also acts as diuretic and causes dehydration which may lead to swelling and redness to face.

5. Temperature

Skin is also sensitive to the temperature. Temperature variations and plus certain environmental factors have direct impact on skin redness and warmness. Let’s see how this happens.

1. Hot temperature

During the hot conditions body tries to cool the body and reduce the temperature by triggering natural body response. As a part of this natural body response the blood vessels dilates which allow the more blood to flow. This increased blood flow increases the surface area of the skin.

Due to increased surface area of skin the heat loss in body takes place. This loss of heat is possible by radiation and conduction of heat.

In this natural response to cool down body temperature, blood vessels dilate which may makes the face red and warm.

2. Cold temperature

This cold temperature makes the blood vessels constrict. Body naturally tries to conserve the heat in body by constricting blood vessels which makes skin pale and cold.

But when as soon as change the environment and step in hot conditions again blood vessels dilate, and skin becomes warm and red.

6. Lifestyle

Certain lifestyle factors can also have an effect on causing your face red and warm. You must be conscious about your daily routine habits which can trigger some bodily reactions causing your face red and warm. There are certain factors you need to keep in mind regarding this.

1. Stress and Anxiety

These stronger emotions of your mind trigger some reactions in your body which secrete the cortisol and adrenaline hormones. These hormones dilate the blood vessels and makes your face red and warm.

2. Physical exertion

Some physical activities like intense body workouts and strength exercises increases your body temperature which leads to vasodilation resulting in causing your face red and warm.

3. Spicy foods

Eating spicy foods can also cause this problem. Certain foods like chili have substance named capsaicin, secretes a special kind of neuropeptide. This neuropeptide dilates the blood vessels furthering affecting your skin.

4. Smoking

Smoking or secondhand smoking constrict your blood vessels which affects your body temperature. This sudden change of body temperature can make look your skin pale or red.

5. Hot beverages

Hot drinks like coffee, tea can cause flushing and redness of face due temperature.

Also read- How to stop headache after crying?


What are the symptoms of internal fever?

The symptom of internal fever includes chills, sweat, muscle ache, headache. There could be other symptoms also. Internal fever is like feeling having fever, but you do not have it.

Can you have an infection without fever?

Yes, definitely. You can have infection without fever.

Can I take paracetamol for internal fever?

Yes. You can take Paracetamol for an internal fever. It is effective medicine for fever irrespective of causes.

What is internal fever called?

Actually ‘Internal fever’ is not professional medical term. It’s been using as layman term when you have all symptoms of being feverish without body temperature.

How long does internal fever last?

The duration for how long does internal fever last is varied and depends on the severity of symptoms and many other factors. But usually, it does subside withing 3 to 6 days when proper treatment and management is done.

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