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Doctor insights on: What Are The Differences Between Hay Fever And Flu

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What are the differences between hay fever and flu?

What are the differences between hay fever and flu?

Fever, length: Hay fever (an allergic response to pollen) and flu (a viral infection) may have similar symptoms (sneezing, runny nose, congestion, headache, scratchy throat) but differ in important ways. Allergies can last weeks but flu lasts 1-2 weeks. Allergies don't cause fever whereas flu can cause high temperature & chills. Of course, flu is contagious but allergies are not. Consult your doctor to be sure. ...Read more

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Dr. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more


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My husband have hay fever sever flu so what he take to stop?

My husband have hay fever sever flu so what he take to stop?

Symptomatic treatme: For fever ( tylenol (acetaminophen) ) , vit c1000mg, coldeaze lozenges ( have zinc) ecnacea with double strength goldenseal lot of fluids rest. ...Read more

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How can I distinguish between a sinus infection, hay fever, and the flu?

How can I distinguish between a sinus infection, hay fever, and the flu?

Rule of thumb: Sinus infection: Green & thick discharge often from just one side. Facial pain perhaps and coughing often. Fatigue sometimes. Often preceded by a cold. Hay fever: Sneezing spells, runny nose, nasal stuffiness, itchy nose. May be seasonal. Flu: Low grade fever, nasal symptoms, fatigue, body ache usually in colder months. All of the above as just some of the symptoms. ...Read more

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42 yr-old with a 14-yr history of regular episodes of flu-like symptoms like low fever, cold extremities, joint pain, facial flushing, digestive.....?

42 yr-old with a 14-yr history of regular episodes of flu-like symptoms like low fever, cold extremities, joint pain, facial flushing, digestive.....?

Flu symptoms: Many patients with a connective tissue disease may have nonspecific or flulike symptoms. This includes fatigue, muscle and joint pains, difficulty sleeping, and low-grade temperature. I recommend an evaluation by a rheumatologist. ...Read more

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I'm being treated for allergic rhinitis. Should the shots make me feel like I have the flu?

I'm being treated for allergic rhinitis. Should the shots make me feel like I have the flu?

Rhinitis: The shots can make you feel tired, fatigued, itchy, etc... But typically feeling like you have a "cold" isn't a side effect. Maybe you really do have a "cold". ...Read more

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Difference between flu and fever vs. Meningitits?

Difference between flu and fever vs. Meningitits?

Influenza: Like night v day. Meningitis produces headache, stiff neck, nausea, vomiting, alteration in consciousness and cognition along with possible neuropathy, and if bacterial and untreated can be fatal. Influenza is a viral illness that affects multiple organs but is seldom fatal by itself (except for primary flu pneumonia). It can alter immune function and make one open to secondary infections. ...Read more

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What's the difference between flu, fever and cold ?

What's the difference between flu, fever and cold ?

Fever: Fever is an elevation of the body temperature above "normal". "flu" is an abbreviation for inflluenza (a viral systemic illness). A cold is a viral upper respiratory tract infection often caused by rhinovirus, adenovirus or other viruses. ...Read more

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How to tell the difference between allergies, a cold &the flu? I was having normal everyday allergies, then runny nose, cough & maybe fever not sure

How to tell the difference between allergies, a cold &the flu? I was having normal everyday allergies, then runny nose, cough & maybe fever not sure

Muscle aches: The flu is usually associated with aching and sore muscles and joints. See your doctor if these develop. Sounds ok to watch for now, but don't wait if you think something is wrong - this is just an online forum. Hope this helps! ...Read more

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My exams are very near. And i got a sudden attack of severe flu, throat infection and fever at times aswell. Will a steroid shot make any difference.

My exams are very near. And i got a sudden attack of severe flu, throat infection and fever at times aswell. Will a steroid shot make any difference.

Perhaps: An injection of steroids or a Medrol (methylprednisolone) dose pack may give you some symptomatic relief, but not a very good idea. First, if the infection is bacterial it may make it much worse. If viral it may delay resolution, and steroids are far from benign medications. See a doctor and let them examine and treat you accordingly. ...Read more

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What is the difference between influenza and hay fever?

What is the difference between influenza and hay fever?

Not always: Allergies don't cause a fever, and usually last longer than a cold(10days)..An itchy nose is more frequent with allergies, and the mucous from an allergy is usually clear...Severe aches = cold not an allergy..Check out this link http://www.Niaid.Nih.Gov/topics/allergicdiseases/documents/coldallergy.Pdf. ...Read more

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Dr. Mark Diamond
2,227 doctors shared insights

Fever (Definition)

Fever is the temporary increase in the body's temperature in response to some disease or illness. A child has a fever when the temperature is at or above one of ...Read more