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Fever Treatment Online

Mobi Doctor offers online fever assessment and treatment across Europe. A licensed doctor works out what is driving your fever by video, usually the same day, decides whether it can safely be managed at home, and treats the cause when medicine is the right answer. No referral, no long wait, and never a prescription without a consultation.

  • Licensed EU doctors by video, 7am–11pm daily
  • Prescriptions sent to a pharmacy near you
  • Full refund if we can’t help you online

No clinic visit needed — you speak to the doctor online. If you need in-person care, the doctor will tell you.

A prescription is never issued without a consultation.

Prescriptions sent straight to a pharmacy near you

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Medically reviewed by Dr. Chrysoula Liakou, MD, PhD · Internal Medicine
Medically reviewed

Dr. Chrysoula I. Liakou MD, PhD Google Scholar LinkedIn

Internal Medicine Specialist
Cancer Immunology Researcher
Key facts
  • Treated online: Yes, usually. Video assessment, with a prescription when appropriate.
  • Most fevers come from infections the body clears on its own, but a temperature of 38°C or higher in a baby under 3 months always needs urgent in-person assessment.
  • Paracetamol and ibuprofen ease the discomfort of a fever but do not treat the infection or shorten the illness.
  • Most fevers with an obvious cold or flu settle within three to five days; longer or returning fevers need assessment.
  • A fever is generally a body temperature of 38°C (100.4°F) or above.
Check before you book

Some fevers need in-person care now, not a video call. A baby under 3 months with a temperature of 38°C or higher, a rash that does not fade when pressed with a glass, a stiff neck with dislike of bright light, a fever with severe breathlessness, or someone who is very drowsy, confused or hard to wake all need urgent assessment. If a rash does not fade under a glass, or you cannot rouse the person, call 112.

Can an online doctor help with a fever?

Yes
Fever: usually treated online.

Often, yes. A fever is a sign, not a diagnosis, so a video consultation focuses on finding and treating the cause: a licensed doctor takes a full history, checks for warning signs, and prescribes when a treatable infection is found. A baby under 3 months with any fever, or anyone with signs of serious illness, needs in-person care instead, and what is available varies by country.

Fever is one of the body's normal responses to infection, which is why the number on the thermometer matters far less than how the person looks and behaves. A video consultation is well suited to that judgement: the doctor can see how unwell you are, hear how your breathing sounds, and work through the questions that separate a self-limiting virus from something that needs tests or a prescription.

Listen: Fever Treatment Online

The audio version of this topic from the Mobi Doctor podcast. Open the episode.

How an online consultation helps with a fever

Cause over number:

the doctor looks for the source of the fever (throat, chest, urine, ear, sinuses, skin) rather than fixating on the exact temperature, because the focus of the infection is what decides the treatment.

A clear red-flag check:

you are screened for the specific warning signs that make a fever dangerous, from a non-blanching rash to breathlessness or confusion, so you know exactly what would mean escalating to in-person care.

Prescriptions after a proper consultation:

if the assessment points to a bacterial infection such as a urine infection or tonsillitis, treatment can be prescribed and sent to a pharmacy near you in most EU countries. Most fevers are viral and need no antibiotic at all.

Honest advice on lowering a fever:

the doctor explains what paracetamol and ibuprofen actually do (ease discomfort, not cure the infection) and gives a written safety net for what should improve, and by when.

What counts as a fever?

A fever is usually defined as a body temperature of 38°C (100.4°F) or above.[1] Normal body temperature sits around 36.5°C to 37.2°C and varies through the day, with the reading also depending on where and how you measure it. Because of that, a single figure means little on its own. What the doctor weighs is the whole picture: how high, how long, how you feel, and what other symptoms sit alongside it.

Temperature can be measured under the arm, in the ear or on the forehead, and each method reads slightly differently. In small children, an electronic thermometer under the arm is a reliable everyday choice.[4] Whatever the method, treat the number as one clue among several rather than the verdict, because a person can be seriously unwell with only a modest fever, and quite well with a high one.

What causes a fever?

The great majority of fevers are caused by common infections the immune system clears without specific treatment: colds, influenza, sore throats, chest and urine infections, and childhood viral illnesses. The raised temperature is the immune system working, not the enemy itself. Less commonly, a fever comes from a bacterial infection that does need antibiotics, from inflammatory conditions, from certain medicines, or after travel to regions where illnesses such as malaria circulate, which is why the doctor always asks where you have recently been.[5]

A fever that follows an obvious cold and settles within a few days rarely needs investigation. A fever that arrives with no clear source, keeps climbing, returns after you had improved, or drags on beyond about five days deserves a proper look, because those patterns are more likely to have a cause that treatment can change. Prolonged tiredness with fever and very swollen glands in a teenager or young adult can point to glandular fever, which is assessed differently.

Fever in adults: when it needs assessment

Most adult fevers accompany an infection you can already name, such as a heavy cold or the flu, and they settle with rest, fluids and time. Book a consultation if your fever lasts more than three to five days, keeps returning, climbs despite paracetamol or ibuprofen, or comes with symptoms that point to a treatable focus: burning or frequent urination, a productive cough with breathlessness, severe one-sided throat pain, or a spreading area of hot red skin. These are the fevers where finding the source changes what happens next.

Certain adults are assessed sooner and more carefully: people who are pregnant, over 65, or living with diabetes, a weakened immune system, or heart, lung, kidney or liver disease. A fever with severe breathlessness, chest pain, confusion, a fast heartbeat, cold or mottled skin, or very little urine can be a sign of sepsis, the body's overwhelming response to infection, and is a medical emergency at any age.[2] Sepsis is treatable, and treated fastest when it is recognised early, so those signs mean urgent in-person care rather than a video call.

Fever in children

Fever is one of the most common reasons children see a doctor, and most childhood fevers are due to viral infections that pass in a few days. The reassuring signs are a child who, once the temperature eases, will smile or play, take fluids, and settle. The concerning signs are about how the child looks and behaves, not the height of the fever, and some scenarios are emergencies regardless of the number.

Under 3 months: always urgent

A temperature of 38°C or above in a baby under 3 months old is treated as a medical emergency and needs same-day, in-person assessment, because serious infection is harder to spot and moves faster in very young babies.[1] This is not a situation for online care: contact your out-of-hours service or go to an emergency department the same day. Between 3 and 6 months a fever also warrants a lower threshold for review.

The meningitis and sepsis signs every parent should know

Call 112 or go straight to emergency care if a feverish child develops a rash that does not fade when you press a clear glass firmly against it (the glass or tumbler test), an unusually stiff neck, a strong dislike of bright light, an abnormally high-pitched or continuous cry, a bulging soft spot on a baby's head, cold hands and feet with a hot body, or becomes floppy, unresponsive or very hard to wake.[3] A non-blanching rash is a late sign, so never wait for it: if a child is deteriorating, act on the overall picture. Fast or laboured breathing, blue lips, a fit (febrile convulsion) that lasts more than five minutes, or a child you simply cannot rouse are all reasons to call emergency services now.

When online advice can help with a child's fever

For a child over 3 months who is alert, drinking and settling between temperatures, a video consultation can help you find the cause, decide whether anything needs treating, and understand the specific signs that would mean seeking in-person care. The doctor can see the child on camera, assess breathing and hydration, and give you a clear, written plan. If any red flag is present, the honest answer is in-person assessment, and the doctor will say so.

How to bring a fever down, honestly

Paracetamol and ibuprofen lower a fever and ease the aches and misery that come with it, but they treat comfort, not the infection, and they do not make the illness pass any faster. In children, the guidance is to use these medicines to relieve a child who is distressed, not simply to force the number down, and they should not be given purely in the hope of preventing a febrile convulsion, which they do not reliably do.[1] Do not use paracetamol and ibuprofen at the same time as a routine; one is usually enough, and a doctor or pharmacist can advise on alternating only if the first has not helped a distressed child.

The measures that genuinely matter are simple: offer regular fluids in small amounts to prevent the person becoming dry, dress them in normal clothing rather than piling on or stripping off layers, keep the room comfortable, and let them rest. Do not sponge a child with cold water or use fans to force the temperature down, as this can be distressing and counterproductive. Watch the person, not just the thermometer, and use the warning signs above as your guide.

How doctors decide if a fever needs in-person care

Whether a fever is safe to assess online depends on the age of the person, how they look and behave, and what other symptoms are present. The table below shows how doctors sort fevers into self-care, online assessment and in-person or emergency care.

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How a fever is triaged, the likely first step, and when in-person care is needed, aligned with cited guidance
Fever presentationLikely first stepSuitable for online care?When referral or in-person care is needed
Adult, fever under 3 days with an obvious cold or flu, otherwise wellSelf-care, fluids and a written safety netUsually yesIf it lasts beyond 3–5 days, keeps returning, or warning signs appear
Fever with a treatable focus (urine, throat, chest, skin)Assess the source and prescribe if a bacterial infection is foundOften yesSevere or spreading infection, or a poor response to treatment
Child over 3 months, alert, drinking, settling between temperaturesFind the cause, advise on comfort and a clear safety netOften, for assessment and adviceAny red flag, dehydration, or a fever lasting 5 days or more[1]
Baby under 3 months with any fever of 38°C or aboveSame-day in-person assessmentNoAlways: urgent in-person review[1]
Non-blanching rash, stiff neck, breathing difficulty, drowsy or confused, or sepsis signsEmergency careNoCall 112 immediately[3]

Availability of individual medicines and who may prescribe them vary by country; your doctor confirms what applies where you are.

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What the doctor checks in an online fever consultation

The assessment is a structured search for the cause, not a reading of the thermometer. In a fever consultation the doctor will typically check:

  • How high, how long, and the pattern: when it started, whether it is climbing, easing or returning, and how it responds to paracetamol or ibuprofen.
  • Where the infection might be: throat, ears, chest, sinuses, urine, tummy or skin, guided by your other symptoms.
  • How unwell the person looks: alertness, breathing rate and effort on camera, skin colour, and whether a child is interacting normally between temperatures.
  • Hydration: how much someone is drinking and passing urine, since dehydration changes the plan and the urgency.
  • Red flags, deliberately: rash, neck stiffness, light sensitivity, severe headache, drowsiness, confusion or breathlessness are asked about directly.
  • Recent travel and vaccinations: travel to areas with malaria or other imported infections shifts the assessment considerably.
  • Risk factors: pregnancy, age, a weakened immune system, and long-term conditions that lower the threshold for in-person care.

When we treat a fever online, and when we refer you

We treat online: adults and children over 3 months whose fever comes with a treatable or self-limiting cause and no warning signs; fevers with a clear focus such as a urine, throat, chest or skin infection that can be assessed and, where bacterial, prescribed for; and post-viral fevers that need reassurance, a safety net and a review point rather than a prescription.

We refer or redirect you: a fever of 38°C or higher in a baby under 3 months; a fever with a non-blanching rash, stiff neck, breathing difficulty, drowsiness or confusion; suspected sepsis at any age;[2] a fever after travel to a malaria region; and a fever with no clear source that persists or is climbing and needs blood tests or examination. In those cases the consultation gets you to the right care quickly rather than a prescription. Fever is one of many cold and flu symptoms our doctors assess online, and it often travels with a sore throat or tonsillitis that points to the cause.

When a fever needs in-person or emergency care

Seek same-day in-person care for a fever of 38°C or higher in a baby under 3 months, a fever that persists beyond about five days, or a fever in someone who is pregnant, elderly or has a weakened immune system and is getting worse. Call 112 immediately for a rash that does not fade under a glass, a stiff neck with dislike of light, severe breathlessness, a seizure lasting more than five minutes, or anyone who is floppy, unresponsive or cannot be woken. These can be signs of meningitis or sepsis, which are treatable but need emergency care fast.

How Mobi Doctor works

  1. Book a time that suits you: open daily 7am–11pm, often the same day, with the exact price, €47, shown before you pay.
  2. Speak to a licensed doctor about fever: a private video consultation, from anywhere in Europe.
  3. Leave with your plan the same day: everything agreed on the call, and if treatment is right for you, the prescription follows straight away, sent to a pharmacy near you in most EU countries. If we can’t help you online, you get a full refund.

Frequently asked questions about fever

Can an online doctor prescribe treatment for a fever in Europe?

Yes, when the assessment finds a treatable cause. A fever itself is a symptom, so the doctor looks for the source, and where a bacterial infection such as a urine infection or tonsillitis is found, treatment can be prescribed and sent to a pharmacy near you in most EU countries. Prescribing rules vary by country.

How quickly can I see a doctor about a fever?

Appointments are available daily from 7am to 11pm, often the same day. A video consultation costs €47. The exact price is shown before payment, and there is no subscription.

What temperature counts as a fever?

A fever is generally a body temperature of 38°C (100.4°F) or above. Normal temperature is around 36.5°C to 37.2°C and shifts through the day. The exact figure matters less than how the person looks and behaves and what other symptoms are present, which is what the doctor assesses.

When is a fever in a child an emergency?

A temperature of 38°C or higher in a baby under 3 months is urgent. At any age, call 112 for a rash that does not fade under a glass, a stiff neck, dislike of bright light, severe breathlessness, a fit lasting over five minutes, or a child who is floppy, unresponsive or cannot be woken. These can signal meningitis or sepsis.

Should I bring a fever down with paracetamol or ibuprofen?

Paracetamol and ibuprofen ease the aches and misery of a fever but do not cure the infection or shorten it. Use them to make a distressed person more comfortable rather than simply to lower the number, do not give both together as a routine, and never rely on them to prevent a febrile convulsion, which they do not reliably do.

How long should a fever last before I worry?

Most fevers with an obvious cold or flu settle within three to five days. Book a consultation if a fever lasts longer than that, keeps returning, climbs despite treatment, or has no clear source. Warning signs such as breathlessness, confusion or a non-blanching rash mean urgent care, whatever the duration.

Can I have a fever assessed online while pregnant?

Yes, and a fever in pregnancy is assessed promptly because the cause matters. The doctor looks for the source, advises that paracetamol is the usual first choice for comfort, and refers you for in-person care where the illness or its severity needs it. Tell the doctor how many weeks pregnant you are.

Sources & further reading
  1. Fever in under 5s: assessment and initial management (NG143), NICE, National Institute for Health and Care Excellence, 2019 (updated 2021).
  2. Sepsis: recognition, diagnosis and early management (NG51), NICE, National Institute for Health and Care Excellence, 2016 (updated 2024).
  3. Meningitis fact sheet, WHO, World Health Organization, 2023.
  4. Fever in under 5s, NICE CKS, Clinical Knowledge Summaries, reviewed 2024.
  5. Malaria fact sheet, WHO, World Health Organization, 2025.

This page is for information only and is not a substitute for a medical consultation. Guideline links are provided for transparency; treatment decisions are made with your doctor.

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