Symptoms Of Flu In Adults


Quite often people mistakenly confuse influenza with cold, it must be noted that these two are completely different diseases with some common symptoms. Let us quickly have a look at the main difference of symptoms between the both.

Flu symptoms appear on quickly whereas cold symptoms appear gradually. Flu may cause fever, headache, and muscles to ache. Cold affects your nose and throat mainly. Cold symptoms are mild, you may feel ill but you are able to carry on your routine activities whereas if you are suffering from flu, it makes you feel really unwell to even perform your routine tasks.

For more understanding, flu symptoms are discussed below:


Influenza in adults can cause sudden fever over 100.4 F that can last for about 3 to 4 days.


Headache is one of the most common signs of flu. It is a symptom felt by adults and children alike. The range of the headache could be mild or extreme depending on the type of flu.

Weakness and tiredness:

Throughout the suffering period of influenza, the body gets weaker and the person feels tired without doing any physical work. This condition remains throughout the flu period.


Often severe body aches are felt by the patient. Aches are felt in mostly in patient’s legs, arms or back.

Joint pain:

In some cases, a patient may feel pain in their joints and limbs. The pain reduces with the passage of time.

Sore throat and dry cough:

Nasal congestion, dry cough, and sore throat are also the signs of influenza in adults. The patient may also experience watery discharge from their nose. It may be noted that all these symptoms may not be felt by everyone.

Sneezing and stuffy nose:

Sneezing and stuffy nose are the most common symptoms of influenza. They appear suddenly and can affect the patient badly. They may remain for about 3 to 4 days.

Other symptoms:

Sometimes a patient may feel some other signs and symptoms of influenza like vomiting, diarrhea, and ill appearance. A patient may experience watery eyes, warm, and flushed skin.

Usually, flu patient can be cured at home by taking proper rest till they feel better, drinking lots of warm water and taking painkillers if necessary. But it is recommended to visit a doctor if:

  • The patient’s age is 65 or above.
  • If the patient is suffering from diabetes or heart, neurological, lung or kidney diseases.
  • If the patient is having difficulty in breathing or chest pain.
  • If the patient is coughing up blood.
  • If the patient has a weak immune system.
  • If the patient hasn’t recovered even after a week of illness or the flu is getting worse over time.

The symptoms of influenza usually develop within one to three days after becoming infected. The signs may disappear within a week. One should not neglect these signs and take the proper medication required to cure influenza.