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Doctor insights on: Influenza B Contagious Period

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Dr. Corey Clay
2 doctors shared insights

Influenza (Definition)

Influenza is a viral respiratory infection that causes cough, fever, chills, sore throat, muscle aches and headache. While most healthy people suffer few complications from the flu, it can be deadly for pregnant women, babies and children, the elderly and those with weak immune systems. That's why it's so important to get the flu shot to protect yourself ...Read more


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Is influenza b contagious?

Yes: Influenza b virus is a respiratory virus spread by coughing, etc. The two main types of influenza occurring during "flu" season are influenza a and influenza b. Influenza b often causes more GI symptoms. ...Read more

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Diagnosed with Influenza B Thursday. Had a fever (99-102) since Tuesday. Fever won't go away. Should I be worried?

Diagnosed with Influenza B Thursday. Had a fever (99-102) since Tuesday. Fever won't go away. Should I be worried?

No: The febrile phase of influenza B can last 7 days (sucks big time, doesn't it). Make sure to keep yourself well hydrated. If temp is going over 104 or you develop worsening cough and/or shortness of breath, seek medical care again as you can develop a secondary pneumonia. In the future, to avoid this, get flu vaccine EVERY YEAR! Hope you feel better soon. ...Read more

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I'm 27 years old have influenza B have a 5-year old how much is she at risk I'm scared to give this to her how do I prevent it?

I'm 27 years old have influenza B have a 5-year old how much is she at risk I'm scared to give this to her how do I prevent it?

At risk, yes: Any household contact is at risk of exposure to influenza virus. She can receive tamiflu (oseltamivir) once a day for 10 days as a precaution to reduce the risk of receiving the disease. ...Read more

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How do I prevent spreading influenza b to other people?

How do I prevent spreading influenza b to other people?

Stay home/wash hands: Influenza is highly contagious, especially by droplet transmission. That means that by coughing, sneezing, or talking as many as six feet away from someone can transmit the disease to them. It is also believed that less often, influenza can be transmitted by touching a surface with the virus on it and then touching the face. So, stay home to avoid people, wash hands often, and clean surfaces. ...Read more

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Can you have joint swelling and pain from influenza b?

Can you have joint swelling and pain from influenza b?

Yes but: Yes, but not usually as the only symptoms. Other viruses like parvovirus b19 are more likely to cause joint symptoms without other symptoms. ...Read more

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Ok have influenza B some docs saying to give my 5 year old tamiflu (oseltamivir) unless she has symptoms some says do to protect her what to do confused?

Ok have influenza B some docs saying to give my 5 year old tamiflu (oseltamivir) unless she has symptoms some says do to protect her what to do confused?

Tamiflu (oseltamivir): Tamiflu (oseltamivir) is effective not by treating influenza but more by shortening the duration of the illness from 7 days to maybe 5 days and by making the illness less severe. The catch T is that costs are not covered by insurance and can cost $125 to $300 per course of treatment. If you got the dough you could try it. You may also want to treat siblings and family before they get sick. IHIW ...Read more

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Have influenza b have a toddler that's 5 should she be tested what are signdd in toddlers doc don't want to prescribe tamiflu (oseltamivir) cuz it's make it short?

Have influenza b have a toddler that's 5 should she be tested what are signdd in toddlers doc don't want to prescribe tamiflu (oseltamivir) cuz it's make it short?

Hmmm: If you're positive for influenza, it is reasonable to treat any of your close contacts with a preventative dose of Tamiflu. Your child should not be tested per se, if there are no symptoms. Symptoms for a five-year-old would be similar to those for any age: fever, body aches, nasal congestion and cough, etc. If she has flu, it will likely be obvious. ...Read more

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Ok so I have the influenza B virus had flu shot so has my 5 year old so if she did contract it would symptoms be milder?

Ok so I have the influenza B virus had flu shot so has my 5 year old so if she did contract it would symptoms be milder?

MAYBE: Every year a number of flu strains circle the globe and various sites keep track and report their activity. Vaccine makers pick 3-4 strains in early spring to put in the fall shot, based on those with the most activity. Too many strains would weaken the individual strength against each strain. With luck, the vaccine will boost general flu immunity enough to make it mild for those who get it anyway ...Read more

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I am a 29 yr old female that is suffering from an ear infection and very blocked ear after influenza B I have been prescribed kenacomb and I am still suffering from a very blocked ear I have been using it for 2 d

I am a 29 yr old female that is suffering from an ear infection and very blocked ear after influenza B I have been prescribed kenacomb and I am still suffering from a very blocked ear I have been using it for 2 d

Cream?: Kenacomb cream is good for superficial skin infections or inflammation from different causes. If your ear is blocked internally, at the level of the Eustachian tubes, you may need decongestants and anti-inflammatory medications to help you. ...Read more

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Was hospitalized for influenza b with low white blood cells, neutrophils, and platelets. Counts have slowly been rising after starting tamiflu (oseltamivir). Ultrasound revealed slightly enlarged spleen 13cm?

Was hospitalized for influenza b with low white blood cells, neutrophils, and platelets. Counts have slowly been rising after starting tamiflu (oseltamivir). Ultrasound revealed slightly enlarged spleen 13cm?

Improving?: It sounds like things are improving. I would not be too worried about an enlarged spleen at this point as this can happen with a systemic infection. However, it needs to be at least followed, like the blood work. Right now, the most important thing is how you are feeling clinically. ...Read more

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Can influenza affect my period?

Can influenza affect my period?

Potentially: If you are ill enough it can throw off your menstrual cycle. ...Read more

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If I have Influenza B, can I cause my husband to get Influenza A?

If I have Influenza B, can I cause my husband to get Influenza A?

No: Hi, Thank you for your question.

No you can't cause him to get influenza A.
Hope you feel better.

Contact me if you have any other questions :-)
Dr. M ...Read more

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How to distinguish influenza a form influenza b?

How to distinguish influenza a form influenza b?

Testing: But clinically not much different. Numbers wise influnza A is more common than B. But as a patient, you won't really be able to tell the difference. ...Read more

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Can you have both influenza a and influenza b at the same time?

Can you have both influenza a and influenza b at the same time?

Yes. : Although rare, it does sometimes happen. Last week I had a little girl who presented with influenza symptoms, and tested positive for influenza an in my office. I am part of a dept of health survey site, and sent an additional specimen to the state lab, which identified both influenza a and b in this unfortunate girl. She recovered with tamiflu (oseltamivir). ...Read more

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Got treated for influenza A. Was hospitalized for 4 days. Am I still contagious? Can I pass it on to others even after a week?

Got treated for influenza A. Was hospitalized for 4 days. Am I still contagious? Can I pass it on to others even after a week?

Flu: The contagious period generally is from one day before onset of symptoms/illness until 24 hours after fever has resolved. Once past that point, you are no longer infectious to others. ...Read more

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Been on tamiflu (oseltamivir) for influenza a for over 24 hours. Also, been over 24 hours since fever. Am I still contagious?

Been on tamiflu (oseltamivir) for influenza a for over 24 hours. Also, been over 24 hours since fever. Am I still contagious?

Flu : contagious ?: I would give it at least 2 or three days after the fever to go out among your friends and family. Just to be on the safe side. Good luck and feel better ...Read more

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When a fever breaks, is influenza still contagious?

When a fever breaks, is influenza still contagious?

Yes: It is contagiousmore or les for 5 to 7 days but during the last epidemic it occurred to 10 days. ...Read more

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What is gastrointestinal influenza? Is it contagious?

Gastroenteritis: I prefer to use gastroenteritis to describe what people refer to as the 'stomach flu', vomiting, diarrhea, sometimes accompanied by fever. It is usually casused by a viruses-this year we are seeing a lot of norovirus. Gastroenteritis can also be caused by bacteria-like e. Coli, salmonella, shigella, yersinia, campylobacter. It is not influenza (respiratory illnes, longer lasting, severe). ...Read more

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Can my 4 year old take cough medicine and tamiflu (oseltamivir) at the same time? Positive influenza test 4 days ago, lingering cough, fever free 48 hours. Contagious?

Can my 4 year old take cough medicine and tamiflu (oseltamivir) at the same time? Positive influenza test 4 days ago, lingering cough, fever free 48 hours. Contagious?

Yes, most: Over-the-counter children's cough medications can be taken with Tamiflu, (oseltamivir) but the cough medication may not have any added benefit and will not shorten the course. If he/she is still coughing, I would consider him/her to still be somewhat contagious through those respiratory droplets released by the cough, although one is most contagious while the fever is there ...Read more

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Infuenza still coughing am I still contagious?

Infuenza still coughing am I still contagious?

Flu : It depends on how long you have had symptoms. Have you been without a temperature for a while? You are usually contagious when you have a fever or chills. To be on the safe side try to steer clear of people for 5 to 7 days. Good luck and feel better. ...Read more

Contagious (Definition)

One is able to transmit an infection to another by ...Read more