The following symptoms and complaints may indicate infection with Haemophilus influenzae:
- Fever
- Conjunctivitis (inflammation of the conjunctiva)
- Infections of the respiratory system:
- Bronchitis, e.g. cough.
- Epiglottitis (inflammation of the epiglottis), e.g., dyspnea (shortness of breath), choking attacks.
- Pneumonia (pneumonia), e.g., tachypnea (accelerated breathing).
- Infections of the ear, nose and throat:
- Otitis media (inflammation of the middle ear), e.g., ear pain (otalgia), especially behind the auricle (young children exhibit an urge to grasp the affected ear; this is not specific; only 10% of all children with an urge to grasp suffer from acute otitis media!)
- Sinusitis (sinusitis), e.g. pain or feeling of pressure in the area of the affected sinus; possibly also occurrence of rhinosinusitis (simultaneous inflammation of the nasal mucosa (“rhinitis”) and an inflammation of the mucosa of the paranasal sinuses (“sinusitis”))
- If necessary, indications of sepsis (blood poisoning).
- If necessary, indications of meningitis (meningitis) such as headache, meningismus (painful neck stiffness), sensitivity to touch and brightness (photophobia).