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What are the Symptoms of Swine Flu

As swine flu spreads fast throughout the country, it is important to know the symptoms of the disease so you can recognise it in yourself and others at an early stage.

Usually symptoms of swine flu have generally proved mild. However a small number of patients may develop more serious illness.  Many of these people have other underlying health conditions, such as heart or lung disease, that put them at increased risk.

Typical symptoms are:
  • A sudden fever - 100 degrees F or above
  • A sudden cough
Other symptoms may include:
  • Headaches
  • Tiredness
  • Chills
  • Cough and sneezing
  • Headache
  • Weakness and fatigue
  • Aching muscles and joints
  • Sore throat
  • Runny nose
  • Diarrhoea or stomach upset
  • Loss of appetite
You must see a doctor immediately if:
  • you have a serious existing illness that weakens your immune system, such as cancer
  • you are pregnant
  • you have a sick child under one
  • your condition suddenly gets much worse
  • your condition is still getting worse after seven days (five for a child)
High-risk groups
For most people, swine flu is a mild illness. Some people get better by staying in bed, drinking plenty of water and taking over-the-counter flu medication.

However, some groups of people are more at risk of serious illness if they catch swine flu, and will need to start taking antiviral medication as it is confirmed that they have it.

It is already known that you are particularly at risk if you have:
  • chronic (long-term) lung disease,
  • chronic heart disease,
  • chronic kidney disease,
  • chronic liver disease,
  • chronic neurological disease (neurological disorders include motor neurone disease, multiple sclerosis and Parkinson's disease),
  • immunosuppression (whether caused by disease or treatment) or
  • diabetes mellitus.
Also at risk are:
  • patients who have had drug treatment for asthma within the past three years,
  • pregnant women,
  • people aged 65 and older, and
  • young children under five.

It is vital that people in these higher-risk groups who catch swine flu get antivirals and start taking them as soon as possible.

As with any sort of influenza, how bad and how long the symptoms last will depend on treatment and the patient's individual circumstances.

Most cases reported in India have been relatively mild, with those affected starting to recover within a week. Persons with swine flu infection should be considered potentially contagious for up to 7 days following illness onset. Persons who continue to be ill longer than 7 days after illness onset should be considered potentially contagious until symptoms have resolved. Children, especially younger children, might potentially be contagious for longer periods.
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Reader Comments
siva from bangalore on 18-Aug-2009 18:11
suffering from mental-flu
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Pavan from Bangalore on 20-Aug-2009 14:56
There are a lot of articles on how to strengthen the immunity and also about the symptoms, however, the symptoms being very similar to a general flu, how should a person identify the difference and/or at what time, should a person decide to go to a doc. Typically, most of the flu subsides in about 4-5 days with some minor weakness after that period.
Is high fever a difference, or is weakness during teh flu a difference. Can someone be more specific on this?
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DR.MAULIK SHAH from Not Specified on 22-Aug-2009 16:41
The symptoms of H1N1 viral infection are as follows.
• Abrupt onset of high grade fever, may be with chills or rigors.
• Cough, running nose, sore throat
• Headache, malaise, body ache, myalgia
• Abdominal pain, vomiting, diarrhea
• Acute myositis, calf muscle tenderness, refusal to walk.

There is also no clinical way of differentiating H1N1 2009 infection from common cold, seasonal flu and other febrile illnesses like malaria, dengue.
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Lali Sen from Not Specified on 20-Aug-2009 15:47
If a person has only mild sore throat ,dose it indicate swine flu attacked case?
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vivek from chennai on 21-Aug-2009 11:46
TO INCREASE THE IMMUNITY AVOID THE JUNK FOODS & MAKE SCHEDULE FOR THE EXERCISE
KEEP SMILING THIS IS THE BEST IMMUNITY THAT SO MANY OF THEM DOESNT KNOW
Reply to this comment
Pratik S. Taarak from Singapore on 23-Aug-2009 23:14
"..start taking antiviral medication..". All allopathic medicines only suppress the virus temporarily until some other disease comes back & takes it's place. The problem is with the body & not with the virus!
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nitish from srinagar on 23-Aug-2009 23:27
you are requested to put on record the test and the turnaorund time for the test. Also, the public should be educated for the drugs and the dosages of the same for the swine flu
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Dr.Maulik Shah MD from JAMNAGAR on 24-Aug-2009 14:25
Point of collecting/sending specimen for testing for H1N1 is only at Government and Municipal Facilities & govt.authorised hospitals - Please look out for more information on such centers. The time period depends upon the transporation and the number of samples handled by lab so check out with nearest govt. centre for testing.

Oseltamivir (Tamiflu) is recommended for those testing positive and is available at Government facilities alone, at present. Decentralization of Tamiflu availability is being contemplated by the central Health Ministry.

There is no need to panic for these drugs.For your knowledge the details of oseltamivir is like below:

Oseltamivir is indicated for treatment of patients one year of age and older. For adolescents (13 to 17 years of age) and adults the recommended oral dose is 75 mg oseltamivir twice daily for 5 days.
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Varun S from Bengalooru on 27-Aug-2009 13:58
I had fever ,cough ,running nose past week.I took medications prescribed by the doctor and i am not having fever now.But very mild cough and trace of running nose still persits.Am i in the danger of getting this disease.
Reply to this comment
DR.MAULIK SHAH MD from Not Specified on 28-Aug-2009 18:31
FEVER is essential before you start even to think SWINE FLU.! SO DONOT PANIC, Keep following your doctor....
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vijaya from Bangalore on 27-Aug-2009 15:20
I have six years old daughter, on 25th morning she said she is having headach and in the evening she returned with fever and vommiting and body pain. She is quite healthy, her weight is 20kgs. Immediately I have taken her to nearest nursing home and doctor told me it is just a viral fever and prescibed caplpol 250. After taking this her body pain and fever has come down. But very hot in the head and it is not coming down. Very hot in the head, is this a cause for worr? Please let me know.
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DrKakani,Family Physician from Nagpur on 28-Aug-2009 8:44
Children usually have 'Hot head' with fever.If she is better,no need to worry. If she is not improving with 48 to 72 hrs;or U find new symptoms like breathlessness or vomits or loose motions - gether reexamined.
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vijaya from Not Specified on 28-Aug-2009 10:43
Dear Dr. Kakani,
Thank you very much for the reply, it is really great that you are spending lots of time helping the public in anwering their questions. In fact Iam gathering all possible information to help group of people as I do 2 hours of my day in social service.

The information I receive here I make it a point to circulate to 600-800 people.

Thanks and best regards,

Vijaya

With thanks and best regards,

Vijaya
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rajendra morey from mehkar on 29-Aug-2009 20:01
I have been visted pune on dated 23-8-09 and from that day i have heavythrotal infection .Mild fever is also observed at eveining and from to day cough is also started are these could be symptoms of swine flu.what care should i take?
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Sachin from Mumbai on 1-Sep-2009 11:34
Sir,

I have slight breathlessness, without cold cough and fever,i have slight joint pains. Can you please explain if these are any early symptoms of swine flu?. I also had a panic attack a week back. Is the breathlessnes related to this??

Please advise.

Sachin
Reply to this comment
DR.MAULIK SHAH from Not Specified on 1-Sep-2009 14:41
best advise for you would be to get examined by a physician near by & if he finds no signs related to any disease probably you need to RELAX & get a psychiatric counselling for anxiety based symptoms. Please do not hesitate to ask for this to your physician.Many patients have been found to be with such anxiety related symptoms and that is bound to occur when we tend to see everyday media flooded with SWINE FLU news and so on...
Reply to this comment
Sachin from Mumbai on 1-Sep-2009 15:01
Thanks a ton Sir for your advice.
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prasad samant from Bangalore on 2-Sep-2009 12:38
With swine flu cases continuing to rise sharply, the Union Health Ministry on Saturday issued fresh guidelines specifying screening and testing module for patients to contain the disease in the country.

The guidelines were finalised at a high-level meeting chaired by the Health Minister Ghulam Nabi Azad last night in connection with the various actions taken by the government for containment and mitigation of H1N1 cases across the country.

During the meeting that lasted for more than five hours till 10 pm last night, the Health Minister also discussed various guidelines and protocols developed by the World Health Organisation in Geneva, Centre for Disease Prevention and Control, Atlanta, USA and National Health Service, United Kingdom.

The meeting was attended by eminent experts from public and private hospitals/organisations besides senior officers of Health Ministry and Directorate General of Health Services.

As per guidelines, all individuals seeking consultation for flu-like symptoms would be screened at healthcare facilities -- both government and private -- or examined by a doctor and will be categorised broadly under three categories A, B and C depending on their health status, as per an official release here.
They will be given treatment and isolated as specified in the guidelines.

Patients with mild fever plus cough/sore throat with or without body ache, headache, diarrhoea and vomiting will be categorised as Category-A. They do not require Oseltamivir and should be treated for the symptoms mentioned above.

The patients should be monitored for their progress and reassessed after 24 to 48 hours by the doctor. For this category, no testing of the patient for H1N1 is required. Patients should confine themselves at home and avoid mixing up with public and high risk members in the family.

Category B has two subcategories. Category BI is for those patients, who have high grade fever and severe sore throat in addition to all the signs and symptoms mentioned under Category-A. They may require home isolation and Oseltamivir.

Category BII is for those, who have in addition to all the signs and symptoms mentioned under Category-A are having one or more of the following high risk conditions like children less than 5-years-old, pregnant women, persons aged 65 years or older, patients with lung diseases, heart disease, liver disease, kidney disease, blood disorders, diabetes, neurological disorders, cancer and HIV/AIDS, patients on long term cortisone therapy. They shall be treated with Oseltamivir but no tests for H1N1 is required for Category-B (I) and (II).

However, all patients of Category-B (I) and (II) should confine themselves at home and avoid mixing with public and high risk members in the family.

In category C, those patients fall, who in addition to the above signs and symptoms of Category-A and B, have one or more of the following problems like breathlessness, chest pain, drowsiness, fall in blood pressure, sputum mixed with blood, bluish discolouration of nails, irritability among small children, refusal to accept food, worsening of underlying chronic conditions.
All these patients mentioned above in Category-C require testing, immediate hospitalization and treatment
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Harsh from Kolkata on 7-Sep-2009 18:19
Hi...
i have slight breathlessness, without cold cough and slight tempreture about 98 to 99 F, i had consult doctor at reputed hospital even he tested my breath by PFT test, and told me that ,it is normal. PFt test gives exact result or i need to go for flu test.
with regards
Harsh.
Reply to this comment
DR.MAULIK SHAH MD. from Not Specified on 7-Sep-2009 22:01
you donot have CARDINAL FEATURES OF SWINE FLU- namely COUGH-COLD-FEVER and you donot have breathlessness or any abnormal lung function... I donot know how you can have FLU!
Reply to this comment
sandeep from mumbai on 23-Oct-2009 9:32
Hello Doctor ,
Thanks very much for your noble help and your replies.
I had a fever along with sore throat and with body pains around 4weeks back after a week all the symptoms gradually dissappeared, after 2weeks i get cough only ,and 3 days back I got high fever with cough, during the time of fever i felt little bit breathlessness , I went to doctor and took medication, will write the medicine names if you want their name.as of now only fever has subsidised a and comes early in the mornings and then its normal body temp.Actually my father and mother as of now is also having similar symptoms like fever and cough , please advice shall we go for HINI testing ? Kindly advise?
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Dibyendu Seth from Raniganj on 8-Sep-2009 16:47
I will go to hyderabad and vizac with my wife and my 7 years old child as tour purpose on 24-09-2009 to 30-09-2009 can we go there without any fear of swine flu ? please advice me
Reply to this comment
Dipak Kumar Ghatak from Bangalore on 10-Sep-2009 14:22
Sir,
My wife (29yrs) is having breathlessnee and cough for alomst one month(she is asthma patient).We are already in consultation with General Physic1an.She did chest Xray and all the blood test and Dr told it is happening due to her normal asthma proble.She do not have any fever.
Do she needs to go for H1N1 testing?
Reply to this comment
Satish Agrawal from Pune on 12-Sep-2009 10:49
Dear Friend,

Its good that you are aware and visited Dr. Swain flu shows similar symptoms as the normal flu like fever, cough, headache, sneezing etc. Wash hands regularly with soap and water after touching surfaces in public places. Keep hand sanitizer if washing with soap is not possible. Cover your face with a clean hankie in crowded places, lifts, etc. Take steam and gargle with warm salt water.

Regards
Satish
Reply to this comment
rupa from Not Specified on 12-Sep-2009 20:41
YEah every one is telling that gargle and steam is must... i guess we have to make these both as a habbit ...
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sandeep from mumbai on 24-Oct-2009 13:15
hello doctor,
Thanks so much for your helpful advices .

I had a fever 3days back along with lot of cough and bodypain , the doctor gave me antibiotics azitluval(500mg) to be taken once for 3 days and tossex cough syrup , though the fever has subsidised and comes back in morning hours, the cough has become worse . similar symptoms my mother has and she has been adviced antibiotics tab dicolomol , cap novomox and tab atarax with syrup xl , her fever comes regurlarly and cough has become very severe . please advice do we need to take H1N1 test or are they symptoms of H1NI?, kindly advice , waiting eagerly for your response . Thanks in advance
Reply to this comment
ani pradeep from trivandrum on 12-Sep-2009 21:39
swine flu from my personal experience is a mild
fever with symptoms of cough ,sore throat and stuffy
nose. It is not possible to ascertain the number of
people affected becoz very few come to screening centres
for swap test....and those who do come are disgusted
by the harrowing experience of our pathetic medical
system...many a time one has to wait long hours at pmr
ward for want of doctors..who are always on rounds
in other wards.It is high time the medical authorities
took notice of impending danger and provide more dedicated
doctors and nurses in the pmr ward of general hospital or
at least allow the private hospitals to do the screening
n swap test.Moreover it is high time to review the hini
screening checks done at our international Airports putting
all the frontline staff at high risk...
Reply to this comment
nagaraju from Hyderabad on 19-Sep-2009 21:30
Dr.Maulik Shah,

Sir, Iam having cold and cough since last 2days. i checked the temarature it is 97.3F. no headache, no body pains. lightly iam feeling leg pains. no Abdominal pain, vomiting, diarrhea. please suggest me sir whether i need to go for test of H1N1. iam using antibiotech capsules for cough and cold (amoxlin). iam in tention i have two children at my home. please suggest me.
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praful from mumbai on 21-Sep-2009 15:43
how long it takes for a person infected with H1N1 to exhibit symptoms? is 48 hrs a maximum time frame or it may show up in 3-4 days also?
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gurudev from noida on 16-Oct-2009 7:46
My son had headache in school where teacher applied normal balm. When came t house he had 102 fever. We gave him crocin. He was ok till night. Again in the night had fever 99 -100 and we again gave him crocin. At around 2.30 in the night, he had fever 103 -104 and headache. We had given him shower as fever was very high but it came down to only 102. in the morning at 6 we discussed with our Doc. and he suggested Nimugesic. We had given him that and in 45 mins, he was ok. afte that he suggested some antibiotic , cough syrup, Multivitamin and nimugesic (SOS) and suggested for HINI test.
we are giving him these medicines and he seems to be ok, just 99 -100 fever after 8-9 hrs of nimugesic dose and no headache etc.
Even his sore throat is much better.We have however quarantined him in separate room since yesterday.
Now the results are expected today evening. We are in great stress as we have 58 years old mother and 2 years old another son. What should we do?? Please reply, our every moment is passing like a day.
Reply to this comment
sandeep from mumbai on 24-Oct-2009 13:18
hello doctor,
Thanks so much for your helpful advices .

I had a fever 3days back along with lot of cough and bodypain along with loose motions, the doctor gave me antibiotics azitluval(500mg) to be taken once for 3 days and tossex cough syrup , though the fever has subsidised and comes back in morning hours, the cough has become worse . similar symptoms my mother has and she has been adviced antibiotics tab dicolomol , cap novomox and tab atarax with syrup xl , her fever comes regurlarly and cough has become very severe . please advice do we need to take H1N1 test or are they symptoms of H1NI?, kindly advice , waiting eagerly for your response . Thanks in advance
Reply to this comment
Dr. A. R. Chaudhri from Kurukshetra on 1-Dec-2009 6:29
My 8 year old son contacted infection from me. I had mild fever, below 101 degrees, and sore throat whhich subsided after two days. His temperature became normal after two days. On third day he again reported of mild fever 100.5 along with very bad throat, enlarged tonsils and difficulty in speaking. Kindly advise the future course of action for him.

Regards

AR Chaudhri
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kushal agarwal from ghaziabad on 9-Dec-2009 2:28
where are the centres for swine flu test in ghaziabad??
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Bhupesh Nagar from Ghaziabad on 25-Dec-2009 14:17
Nearest centre is there in Lal Bahadur Shastry Hospital, Khichripur., near vinod nagar, Delhi
Not sure about fortis hospital, noida but heard about it also.
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Deepak Agarwal from Hyderabad on 15-Dec-2009 0:23
Hello! We are planning for a vacation trip to Rajasthan this Dec ending, with kids ! We r going to start our tour from Udaipur, Jodhpur, Jaiselmer, Bikaner,Ajmer and Endup at Jaipur! Is it recommended to continue with our tour of 10 days & what pre cautions we should take for preventing from Swine Flu,specially for kids and infants! Please look into the matter at the earliest ! Awaiting for your reply! Thanks!
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rajesh kumar from delhi on 22-Dec-2009 12:41
sir i am suffering from occasional dry cough(mostly during night) since 5 days and i m taking cough syrup and antibiotic zavox 500(i.e. amoxycillin 500) from doctor.but i m still having dry cough due to which i can not sleep at night.i m also having pain in my chest since 5 days.so please suggest me if i should have swine flu testing.i m not having fever as such.please suggest me.or should i continue the medicine?is it seasonal cold or may b something else(may br TB).please help me.
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Bhupesh Nagar from ghaziabad on 25-Dec-2009 14:34
My daughter (2.5years old) was found positive for swine flu tested on 9 dec., result came on 12th, all members of my family were having symptoms for it. after 5 days of medication we all were well. but from yesterday my daughter is again having fever around 102.5 degree and cough. Can swine flu relapse or is it a common flu, please suggest me should i get her swab tested again for H1N1???
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Devika from Indore on 15-Feb-2010 18:26
VERY GOOOD SUGGESTIONS
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