No, tears alone do not cause a true fever, though crying can leave you flushed, sweaty, and warmer than usual for a short stretch.
Crying can make your body feel like it is running hot. Your face gets red. Your chest tightens. Your breathing turns choppy. Your skin may feel damp. That mix can fool you into thinking a fever is starting, even when your core temperature is still in the normal range.
In most cases, crying by itself does not give you a real fever. A true fever is a measured rise in body temperature, not just a hot face or a wave of heat. The difference matters. A short burst of warmth after tears often fades once your breathing settles, your muscles relax, and your body cools off again.
Why Crying Can Feel So Much Like A Fever
Crying is not a quiet event for the body. It can raise your heart rate, change your breathing pattern, tense your neck and chest muscles, and leave you sweaty. Your face may flush because blood flow shifts toward the skin. That can create a “feverish” feeling even when a thermometer says otherwise.
Tears also show up when you are drained, upset, sick, in pain, or exhausted. That overlap is why the feeling gets confusing. The crying itself may not be the cause of the heat. It may just happen at the same time as whatever is making you feel unwell.
What Usually Creates The Hot Feeling
- Fast breathing during sobbing
- Flushed skin on the cheeks and forehead
- Muscle tension in the face, scalp, neck, and chest
- Sweating after a long crying spell
- Dry mouth from mouth breathing
- Exhaustion after strong tears
Those shifts can feel dramatic. Still, feeling hot is not the same as having a fever. A true fever is usually tied to illness, most often an infection. MedlinePlus notes that fever is commonly a sign the body is fighting illness or infection.
Crying And A Fever: What Counts As A Real Rise
The cleanest way to sort this out is simple: use a thermometer after you have had a few minutes to calm down. In adults, a temperature above normal is not always a fever. Body temperature shifts through the day and from person to person. Still, a reading over 100.4°F (38°C) is widely treated as a fever.
That number matters more than your skin feeling warm. Your cheeks can be burning while your core temperature stays normal. The opposite can happen too. Some people with a real fever do not feel that hot at first, especially early in an illness.
When Crying Can Nudge Temperature A Bit
Strong emotion, physical effort, heavy clothing, a warm room, and dehydration can all push body temperature up a little. That rise is usually mild and short. It is not the same pattern as a sustained fever from illness. If you check too soon after sobbing, your reading may be a little higher than your resting baseline, then drift down once you settle.
That is why timing helps. Sit down. Sip water. Breathe slowly for ten to fifteen minutes. Then check your temperature. A calmer reading tells you more than one taken at the peak of a crying spell.
| What You Notice | What It Often Means | What To Do Next |
|---|---|---|
| Hot cheeks | Skin flushing after crying | Wait a few minutes before checking temperature |
| Sweaty forehead | Body cooling itself after strain | Rest in a cooler room |
| Shaky breathing | After-effect of sobbing | Slow your breathing, then recheck how you feel |
| Mild warmth on a thermometer | Short-lived rise from activity or emotion | Repeat the reading after 10 to 15 minutes |
| 100.4°F / 38°C or higher | True fever range | Look for illness signs and keep monitoring |
| Headache after crying | Tension, dehydration, fatigue | Drink water and rest |
| Warmth plus cough or sore throat | Illness may be present | Track symptoms and temperature |
| Warm child who feels sleepy and ill | Needs a real temperature check | Use a thermometer, not your hand alone |
When The Heat After Crying Means More Than Tears
Crying can sit on top of something else that is already going on. You might cry because you feel awful, have body aches, have a pounding headache, or are worn out from an illness. In that case, crying is part of the scene, not the cause of the fever.
This is where the rest of the symptoms matter. If the heat comes with chills, cough, congestion, vomiting, diarrhea, sore throat, or body pain, the fever is more likely tied to sickness than tears.
In Adults
Adults often describe feeling “feverish” after crying when what they really mean is flushed, wrung out, and sweaty. That can happen after grief, panic, pain, or lack of sleep. Mayo Clinic notes that stress can affect the body in clear physical ways, which helps explain why intense crying can leave you feeling sick even without a true fever.
If your thermometer stays normal and the heat passes, crying is the likely reason for the sensation. If the reading climbs into fever range or you start to feel worse as the day goes on, that points away from tears and toward illness.
In Children
Kids get flushed fast. They cry hard, breathe fast, get sweaty, and then feel hot to the touch. That can scare any parent. The fix is not guessing by hand alone. Use a thermometer. A child’s forehead may feel burning hot after a meltdown while the measured temperature is still normal.
That said, children can also cry more when they already have a fever because they feel miserable. If a child is clingy, sleepy, not drinking well, or has other sick signs, check the temperature and watch the pattern over time rather than blaming the tears.
What To Do Right After A Crying Spell
You do not need a big routine. A few plain steps usually clear up the confusion fast.
- Sit or lie down somewhere cool and quiet.
- Loosen heavy clothes or blankets.
- Take slow breaths until the sobbing stops.
- Drink a little water.
- Wait 10 to 15 minutes.
- Check your temperature with a thermometer.
- Recheck later if you still feel hot or ill.
If the reading is normal and you start to cool off, that fits the usual post-crying pattern. If your reading is rising, or if you also have chills and body aches, tears are probably not the whole story.
| After Crying Reading | How To Read It | Next Move |
|---|---|---|
| Normal temperature | Hot feeling likely from crying itself | Rest, drink water, check again only if needed |
| Slightly above your usual level | May be a short rise from strain or a warm room | Wait and retest after more rest |
| 100.4°F / 38°C or higher | Fits fever range | Track symptoms and treat it as a fever |
| Fever plus worsening symptoms | Illness is more likely than crying | Call a doctor if symptoms are strong or do not ease |
When To Call A Doctor
A crying spell with a normal temperature usually does not need medical care on its own. The picture changes if the thermometer shows a true fever or the whole illness picture looks rough.
- Call a doctor if a fever keeps coming back or lasts more than a couple of days.
- Call sooner if there is trouble breathing, chest pain, severe weakness, confusion, or a stiff neck.
- For children, get help if they are hard to wake, not drinking, breathing poorly, or seem much sicker than a usual cold would explain.
- For babies, fever rules are stricter. A young infant with a measured fever needs prompt medical advice.
One more thing: touching a forehead is rough guesswork. It can tell you that someone feels warm. It cannot tell you whether crying caused that warmth or whether a true fever is present. A thermometer settles that fast.
Why The Reading Matters More Than The Feeling
The body can feel hot for a lot of reasons that are not fever. Crying is one of them. So are exercise, heavy bedding, a stuffy room, and dehydration. A fever is different because the body is actively resetting temperature upward, usually in response to illness.
So, can crying give you a fever? In most cases, no. Crying can make you feel hot, look red, and leave you sweaty or shaky. It can even nudge your temperature a bit for a short while. But a sustained reading in fever range points to something beyond the tears.
If you are trying to sort it out, do not guess from the feeling alone. Pause, cool down, and check your temperature after a few quiet minutes. That one small step tells you far more than your flushed cheeks ever will.
References & Sources
- MedlinePlus.“Fever.”Explains that fever is usually a sign the body is fighting illness or infection.
- MedlinePlus Medical Encyclopedia.“Body Temperature Norms.”Gives the usual body temperature range and notes that 100.4°F (38°C) and above most often counts as a fever.
- Mayo Clinic.“Stress Symptoms: Effects On Your Body And Behavior.”Shows that stress can trigger physical symptoms that help explain why intense crying can feel like illness.
Mo Maruf
I created WellFizz to bridge the gap between vague wellness advice and actionable solutions. My mission is simple: to decode the research and give you practical tools you can actually use.
Beyond the data, I am a passionate traveler. I believe that stepping away from the screen to explore new environments is essential for mental clarity and physical vitality.