Internal Medicine
Physicians for fever, infections and long-term conditions in Lucknow

Fever that will not settle, dengue or typhoid, high BP or sugar, tiredness, or several health problems at once? Our MD physicians at Charak Hospital, Hardoi Road, Dubagga, diagnose and treat adult medical problems, manage long-term conditions, and refer you to the right specialist when needed.

Book an appointment Call 0522-666-4444
NABH-accredited hospital 300-bed multispeciality MD physicians 24×7 emergency

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24×7 hospital & emergency0522-666-4444
Our approach

Your first doctor for adult health

Internal medicine physicians look at the whole person. They diagnose new symptoms, treat infections, and manage long-term conditions such as diabetes, BP and thyroid problems — and they coordinate care when you need several specialists.

  • Careful history, examination and only the tests you need
  • Treatment of fevers and infections, including seasonal outbreaks
  • Long-term care for diabetes, BP, thyroid and cholesterol
  • Hospital admission and ICU support when needed
  • Referral to the right specialist in the same hospital

Fever & infection

Dengue, malaria, typhoid, chest and urine infections.

Long-term conditions

Diabetes, BP, thyroid, cholesterol and asthma.

Older adults

Several conditions and medicines managed together.

Health check-ups

Preventive checks and vaccination advice.

300Bed multispeciality hospital
NABHAccredited for quality and patient safety
24×7Emergency & critical care
27+Specialities under one roof
Know the signs

When to see a physician

See a doctor if any of these are new, getting worse or worrying you.

Fever for more than 2–3 days

Especially with body ache, rash, vomiting or headache.

Tiredness and weakness

Feeling tired all the time, breathless or dizzy.

Weight loss

Losing weight without trying.

High BP or sugar readings

A high reading at home or at a check-up.

Cough or breathlessness

A cough lasting more than 2 weeks.

Burning urine

Burning, frequent urination or fever with back pain.

Many medicines

Several medicines from different doctors that need review.

Abnormal reports

A blood test result you do not understand.

Come to emergency straight away for chest pain, severe breathlessness, confusion, fainting, bleeding from the gums or nose in fever, or vomiting that does not stop. Call 0522-666-4444.

Conditions A–Z

Find information about a medical condition

Tap a condition to read the common signs, how it is diagnosed and how it is treated.

Dengue

A mosquito-borne viral fever

Common signs

High fever, severe body ache, headache, pain behind the eyes and rash.

How it is diagnosed

NS1 antigen or antibody test and platelet count.

How it is treated

Fluids, paracetamol and monitoring of platelets and warning signs. Avoid painkillers such as ibuprofen.

See fever timeline

Typhoid

A bacterial infection from contaminated food or water

Common signs

Fever that rises over days, abdominal pain, loss of appetite and weakness.

How it is diagnosed

Blood culture and other blood tests.

How it is treated

Antibiotics for the full course, fluids and rest.

Malaria

A parasite spread by mosquitoes

Common signs

Fever with chills and shivering, often coming in cycles.

How it is diagnosed

Blood smear or rapid test.

How it is treated

Antimalarial medicines; hospital care for severe malaria.

Viral fever, flu and COVID-like illness

Common viral infections

Common signs

Fever, sore throat, cough, body ache.

How it is diagnosed

Examination; tests when needed.

How it is treated

Rest, fluids and paracetamol; antivirals for some.

Pneumonia and TB

Lung infections

Common signs

Fever with cough, breathlessness, or a cough over 2 weeks with weight loss.

How it is diagnosed

Chest X-ray and sputum tests.

How it is treated

Antibiotics or a full course of TB medicines.

Read about TB

Urinary tract infection

Infection of the bladder or kidneys

Common signs

Burning urine, frequency, fever or back pain.

How it is diagnosed

Urine test and culture.

How it is treated

Antibiotics; further tests for repeated infections.

Read about UTI

Sepsis

Severe infection affecting organs

Common signs

Fever or low temperature, fast breathing, confusion, low BP.

How it is diagnosed

Blood tests and cultures.

How it is treated

Urgent antibiotics and hospital or ICU care.

Read about sepsis

Diabetes

High blood sugar

Common signs

Thirst, frequent urination, tiredness; often none.

How it is diagnosed

Fasting sugar and HbA1c.

How it is treated

Diet, activity, medicines and insulin, with endocrinology for complex cases.

Read about diabetes

High blood pressure

Hypertension

Common signs

Usually none.

How it is diagnosed

Repeated BP readings and home BP records.

How it is treated

Less salt, activity and daily BP medicines.

Read our BP guide

Thyroid problems

Under- or over-active thyroid

Common signs

Tiredness, weight change, palpitations, feeling cold or hot.

How it is diagnosed

TSH and thyroid hormone tests.

How it is treated

Daily thyroid tablets or anti-thyroid medicines.

Endocrinology

High cholesterol

Lipid disorders

Common signs

None.

How it is diagnosed

Lipid profile.

How it is treated

Diet, activity and cholesterol-lowering medicines.

Anaemia

Low haemoglobin

Common signs

Tiredness, breathlessness, pale skin.

How it is diagnosed

Blood count, iron, B12 and folate tests.

How it is treated

Treating the cause and supplements.

Haematology

Dizziness and fainting

Light-headedness and blackouts

Common signs

Feeling faint, spinning or blacking out.

How it is diagnosed

BP, sugar, ECG and further tests as needed.

How it is treated

Treating the cause, with cardiology or neurology when needed.

Medicine review

Many medicines from several doctors

Why it matters

Some medicines interact or are no longer needed.

How it is done

A review of all medicines, doses and tests.

The aim

Fewer, safer medicines that work well together.

No match found. Please call us on 0522-666-4444 — we will guide you.

Diagnosis

How we find the cause — before we treat

A careful history and examination guide which tests are needed, so you avoid unnecessary ones.

History & examination

Your symptoms, medicines, travel and family history.

Blood & urine tests

Blood count, sugar, kidney, liver and thyroid tests as needed.

Fever tests

Dengue, malaria and typhoid tests at the right time.

ECG & X-ray

For chest symptoms and fitness checks.

Plan & follow-up

Treatment, warning signs and a review date.

Fever — what to watch for, day by day

Most fevers settle in a few days, but some need closer care. Tap a stage to see what to look for.

Care

How we care for you

Choose a topic to see what care involves.

OPD consultations

Most medical problems are diagnosed and treated in the OPD, with tests on the same campus.

ConsultationSame-day testsPrescription and advice

What to expect

  • A full history and examination
  • Clear explanation of results
  • A written treatment plan

Good habits

  • Bring all reports and medicines
  • Ask about warning signs
  • Attend follow-up
Services

Internal medicine services at Charak

Clinics and services from our physicians.

General Medicine OPD

Consultations for adult medical problems.

Book a visit
Fever Clinic

Dengue, malaria and typhoid care.

Book a visit
Diabetes Care

Diabetes diagnosis and treatment.

Read more
BP Clinic

High blood pressure care.

Read more
Health Check-ups

Preventive check-up packages.

Read more
Sepsis Care

Severe infection treatment.

Read more
Inpatient Care

Admission and monitoring.

Book a visit
Adult Vaccination

Flu, pneumococcal and hepatitis B.

Book a visit
Your visit

What happens, step by step

Step 1

Consultation

Tell us about your symptoms and bring all reports.

Step 2

Tests

Blood and urine tests, often the same day.

Step 3

Diagnosis & plan

Results and treatment explained.

Step 4

Treatment

Medicines and advice; admission if needed.

Step 5

Specialist referral

To the right specialist when needed.

Step 6

Follow-up

Review to check progress.

Health check

A yearly check-up finds problems early

Diabetes, high BP, high cholesterol and thyroid problems often cause no symptoms. A yearly check-up after 30–40 can find them early.

Who should have a yearly check-up

Book a check-up if any of these apply:

  • !Age 40 or above — or 30 with risk factors.
  • !Family history of diabetes, BP or heart disease.
  • !Extra weight or an inactive lifestyle.
  • !Tobacco or alcohol use — at any age.
Medicine care at Charak
  1. Consultations with our physicians.
  2. Check-up packages from our health check-up desk.
  3. Specialist care in every department of the hospital.

Everyday health checklist

Tap each one you do:

  • I know my BP, sugar and cholesterol numbers
  • I take my medicines every day as prescribed
  • I walk or exercise at least 30 minutes most days
  • I eat home-cooked food with vegetables and fruit
  • I drink safe, clean water
  • I do not use tobacco
  • I sleep 7–8 hours

Bring all your medicines to your visit so the doctor can review them together.

Book a check-up
Home care

Looking after yourself at home

General guidance — always follow the specific advice your doctor gives you.

During a fever

Rest, drink plenty of fluids and take paracetamol as advised.

Do not take antibiotics without a prescription.

Preventing dengue and malaria

Use mosquito nets and repellents and remove standing water around the home.

Wear full sleeves in the mosquito season.

Diabetes at home

Check your sugar as advised and keep a record.

Know how to treat low sugar.

BP at home

Check BP at the same time each day and write it down.

Keep salt low and take medicines every day.

Taking medicines safely

Keep a list of all medicines and bring it to each visit.

Do not stop long-term medicines without advice.

Food and water safety

Drink boiled or filtered water, especially in the monsoon.

Avoid uncovered street food during outbreaks.

Contact us urgently if

  • Chest pain or severe breathlessness
  • Bleeding from gums or nose, or black stools, during a fever
  • Confusion, fainting or a seizure
  • Vomiting that does not stop or signs of dehydration
  • Very high or very low blood sugar
  • Sudden weakness or difficulty speaking
0522-666-4444
Family care

Medical care for every adult

Working adults

  • Fever, infections and acidity
  • BP, sugar and cholesterol checks
  • Lifestyle advice
Health check-ups

Women

  • Anaemia and thyroid problems
  • BP and sugar before and during pregnancy
  • Bone health after menopause
Obstetrics & gynaecology

Older adults

  • Several conditions and medicines
  • Falls, memory and vaccination
  • Care coordinated with specialists
Neurosciences
Prevention

Checks and vaccines for adults

These are general guides. Your doctor may advise differently.

WhoWhat we recommendHow often
Adults 30 and aboveBP, sugar and BMI checkEvery year
Adults 30 and aboveLipid profileEvery 5 years, more often with risk factors
Adults 50+ and people with chronic illnessFlu vaccineEvery year
Adults 65+Pneumococcal vaccineAs advised
Adults not immuneHepatitis B vaccineOnce (3 doses)
People with diabetes or BPKidney, eye and foot checksEvery year
Walk 30 minutes a day
Eat less salt, sugar and fried food
Avoid tobacco
Drink safe water
Keep vaccines up to date
Sleep 7–8 hours
Myths & facts

Clearing up common misunderstandings

Tap a card to see the fact.

Myth

“Antibiotics cure every fever.”

Tap to flip
Fact

Most fevers are viral and do not need antibiotics. Using them without need causes resistance.

Myth

“Papaya leaf juice cures dengue.”

Tap to flip
Fact

There is no proven cure for dengue. Fluids and monitoring are the key treatment.

Myth

“A drip makes you recover faster.”

Tap to flip
Fact

IV fluids are needed only when you cannot drink enough or are dehydrated.

Myth

“BP medicines can be stopped when BP is normal.”

Tap to flip
Fact

Normal readings usually mean the medicine is working.

Myth

“Feeling fine means I don’t need a check-up.”

Tap to flip
Fact

Many conditions cause no symptoms until late.

Myth

“Injections work better than tablets.”

Tap to flip
Fact

For most conditions, tablets work just as well.

Our doctors

Meet our physicians

Endocrinology Pulmonary medicine Critical care Health check-ups
Practical help

Preparing for your visit, costs & insurance

A little preparation helps us make the most of your appointment.

What to bring to your visit

Tick off as you pack:

  • All previous reports and prescriptions
  • All current medicines, or clear photos of them
  • Your BP and sugar records, if you keep them
  • For fever: the number of days and highest temperature
  • Your vaccination history, if known
  • A list of the questions you want to ask

Costs & insurance

Costs depend on the tests and treatment you need. Ask our team for a written estimate before planned tests, procedures or admission.

  • ✓Written estimate— ask for one before planned procedures or admission.
  • ✓Health insurance & TPA— cashless treatment for admissions under tie-up insurers; outpatient visits depend on your policy.
  • ✓Ayushman Bharat (PM-JAY) accepted for eligible admissions.
  • ✓Corporate & PSU panels— ask whether your employer has a tie-up with Charak Hospital.

*Coverage depends on your policy and the treatment. Our insurance desk can check this for you.

Call 0522-666-4444
FAQs

Frequently asked questions

When should I see a doctor for fever?

If fever lasts more than 2–3 days, is very high, or comes with rash, bleeding, breathlessness, confusion or vomiting.

Is a low platelet count always dangerous in dengue?

Platelets often fall in dengue. Doctors watch the count along with warning signs. Most patients recover with fluids and monitoring.

Do I need a specialist or a physician?

A physician is a good first doctor for most adult problems and will refer you to a specialist when needed.

How often should I check my BP and sugar?

Your doctor will advise; many people with diabetes or BP check at home several times a week.

What does a health check-up include?

Usually blood count, sugar, cholesterol, kidney, liver and thyroid tests, urine test, ECG and a doctor’s review.

Can I get admitted for IV fluids for weakness?

IV fluids are given when needed, for example with dehydration. Your doctor will advise.

Which vaccines do adults need?

Flu, pneumococcal and hepatitis B vaccines are often advised, depending on age and health.

How do I book an appointment?

Call 0522-666-4444 or use the request call back form on this page.

Glossary

Words you may hear from your physician

CBCComplete blood count.
PlateletsBlood cells that help clotting.
NS1 testAn early test for dengue.
Widal testAn older test for typhoid; blood culture is more reliable.
Blood cultureA test to find bacteria in the blood.
HbA1cAverage blood sugar over 2–3 months.
HypertensionHigh blood pressure.
TSHThe main thyroid blood test.
Lipid profileA cholesterol blood test.
CreatinineA kidney function blood test.
LFTLiver function tests.
ECGA recording of the heart’s electrical activity.
SepsisA severe response to infection.
DehydrationLoss of body fluids.
OPDOutpatient department.
IPDInpatient department — hospital admission.

No matching term. Please ask your doctor at your next visit.

Related pages

Related departments and guides

Diabetes High blood pressure Tuberculosis Sepsis Health check-ups Endocrinology Critical care Laboratory Dengue fever Typhoid fever Health library Malaria Viral fever

Fever, BP, sugar or another health worry?

Speak with our physicians. In an emergency, come straight to the 24×7 emergency department.

0522-666-4444 Request a call back

Your details are used only to contact you about your appointment.

Medical information disclaimer: This page provides general health information for patients and families. It is not a substitute for a consultation, diagnosis or treatment by a qualified doctor. Treatment decisions depend on each patient's individual condition. In an emergency, call 0522-666-4444 or go to the nearest emergency department.

About this page: Prepared by the Charak Hospital web team with the help of AI writing tools, using information from the Department of Internal Medicine, Charak Hospital & Research Centre ·  Last updated: October 2026

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