Influenza
A contagious respiratory viral infection causing fever, chills, muscle aches, cough, congestion, and fatigue.
Also known as: the flu, flu.
Category: Infectious
Drugs labeled for Influenza
4 medication ingredients list an association with influenza in current FDA labeling.
Symptoms associated with Influenza
The following symptoms have been associated with Influenza in medical literature. Not everyone experiences the same symptoms.
Chills
A sudden sensation of feeling cold....
Cough
A sudden, audible expulsion of air from the lungs through a partially closed glottis, preceded by inhalation....
Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation....
Fever
Body temperature elevated above the normal range....
Headache
Cephalgia, or pain sensed in various parts of the head, not confined to the area of distribution of any nerve....
Myalgia
Pain in muscle....
Rhinorrhea
Increased discharge of mucus from the nose....
Sore Throat
Pain, scratchiness, or irritation of the throat that often worsens when swallowing, commonly caused by viral o...
Tests used to investigate Influenza
Healthcare providers may order these tests when evaluating Influenza. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Conditions with overlapping symptoms
These conditions share symptoms with Influenza, which is why a clinical evaluation is important.
Chikungunya
Chikungunya is a medical condition that may be associated with various symptoms and signs....
Hemorrhagic fever-renal syndrome
Hemorrhagic fever-renal syndrome is a medical condition that may be associated with various symptoms and signs...
Japanese encephalitis
Japanese encephalitis is a medical condition that may be associated with various symptoms and signs....
Relapsing fever
Relapsing fever is a medical condition that may be associated with various symptoms and signs....
Zygomycosis
Zygomycosis is a medical condition that may be associated with various symptoms and signs....
When to seek emergency care
Seek emergency care for difficulty breathing, chest pain, confusion, or severe dehydration.
Frequently Asked Questions
What is Influenza?
Influenza is a health condition described in medical literature. A contagious respiratory viral infection causing fever, chills, muscle aches, cough, congestion, and fatigue.
What are the symptoms of Influenza?
Influenza is associated with 8 symptoms in the medical literature we index, including Chills, Cough, Fatigue, Fever, Headache, Myalgia. Symptoms vary widely between individuals.
How is Influenza diagnosed or investigated?
A healthcare provider may use a combination of medical history, physical examination, and tests. Common tests associated with Influenza include CBC with Differential, Influenza Test. This information is educational, not a diagnosis.
Is SymptomDatabase.com diagnosing me?
No. SymptomDatabase.com does not provide diagnosis. If you are concerned you may have Influenza, please discuss your symptoms with a qualified healthcare provider.