The URI medical abbreviation stands for upper respiratory infection, an infection of the nose, sinuses, throat or voice box. The common cold is the classic example, and most URIs are caused by viruses.
URI is one of the most frequent diagnoses in urgent care and primary care, and you will see it on visit summaries, school notes and pediatric charts. Some clinicians write URTI, adding tract. This page explains which parts of the airway count as upper, how URI shows up in notes, and the abbreviations it is most often mixed up with, especially UA and UTI, which concern urine rather than breathing.
At a glance
Stands for
Upper respiratory infectionAlso written
URTI (upper respiratory tract infection)Body areas
Nose, sinuses, throat (pharynx), voice box (larynx)Usual cause
Viruses, such as rhinovirusWhere you see it
Urgent care notes, visit summaries, pediatric chartsDo not confuse with
UTI (urinary tract infection) or LRTI (lower respiratory infection)
What the URI medical abbreviation covers
The respiratory tract is split into an upper part and a lower part. The upper part runs from the nostrils through the sinuses and throat down to the larynx. The lower part includes the windpipe below that point, the bronchi and the lungs. A URI involves the upper part only.
Typical symptoms include a runny or stuffy nose, sneezing, sore throat, mild cough, hoarseness and sometimes a low fever. Most URIs improve on their own over about a week to ten days, though a cough can linger longer.
Specific infections grouped under URI
| Name | Area affected |
|---|---|
| Common cold (nasopharyngitis) | Nose and throat |
| Sinusitis | Sinuses |
| Pharyngitis | Throat |
| Tonsillitis | Tonsils |
| Laryngitis | Voice box |
A note may use URI as a broad label or name the specific part when it is clear, such as acute pharyngitis. Pneumonia and bronchitis are lower respiratory problems, not URIs; pneumonia has its own page under PNA.
URI in a visit note
Urgent care summary: "4 y/o with 3 days rhinorrhea, cough, low grade fever. Lungs CTAB. Dx viral URI." Rhinorrhea means runny nose. CTAB means the lungs were clear to listening on both sides, which supports an upper rather than lower infection.
The plan for a viral URI usually focuses on comfort: rest, fluids and symptom relief. Antibiotics do not treat viruses, so they are not routine for a simple URI. A note may add return precautions, describing signs that should lead to another visit.
URI versus UTI and other look alikes
- UTI: urinary tract infection, an infection of the bladder or kidneys. One letter apart, very different body system.
- LRTI: lower respiratory tract infection, such as bronchitis or pneumonia.
- ILI: influenza like illness, used in flu tracking for fever with cough or sore throat.
- URI as a web term: outside medicine, URI also means a web address format, which can confuse search results but never appears in this sense in a chart.
See the diagnosis abbreviations hub for more shorthand that names conditions.
Questions for a clinician about a URI
- Is this likely viral or bacterial?
- Which symptoms mean I should come back or call?
- How long is it usually contagious?
- Which over the counter options are reasonable with my other medicines?
This is general background on a common diagnosis. For questions about your own symptoms, or a child's, check with a doctor, nurse or pharmacist.
Frequently asked questions
What does URI mean on a doctor's note?
URI means upper respiratory infection, an infection of the nose, sinuses, throat or voice box. A common cold is the most typical example.
Is a URI the same as a cold?
A cold is one kind of URI and the most common. URI is a broader label that also covers sinusitis, sore throat infections and laryngitis.
Do URIs need antibiotics?
Most URIs are caused by viruses, and antibiotics do not work against viruses. A clinician may consider them only when a bacterial cause, such as strep throat, is suspected or confirmed.
What is the difference between URI and UTI?
URI is an infection of the upper airway, such as a cold. UTI is a urinary tract infection affecting the bladder or kidneys. The letters look alike, but the body systems are unrelated.