Last Updated on October 7, 2025 by Analgesia team
IRTI Medical Medical
In medical terminology, the meaning of IRTI refers to Intensive Radiation Therapy Initiative (or the specific programme or treatment context where the acronym is used). The meaning of this abbreviation highlights its connection to advanced radiation-based treatments designed to target diseased tissue while minimising damage to surrounding healthy cells. Understanding the medical meaning of IRTI helps clarify its role in oncology and radiotherapy, where precision and controlled dosage are critical for effective patient care
Respiratory tract infections can be caused by viruses or bacteria and are contagious. They can spread through respiratory droplets from coughing or sneezing or by touching your mouth or nose after touching an infected surface or person.
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Upper respiratory tract infections (URTIs):Affects the nose, sinuses, and throat, including the common cold, sore throat, and sinusitis.
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Lower respiratory tract infections (LRTIs):
Affects the airways and lungs, including bronchitis, bronchiolitis, and pneumonia.
Common causes of respiratory tract infections:
- Viruses like rhinovirus (common cold), influenza virus (flu), and respiratory syncytial virus (RSV)
- Bacteria like Streptococcus pneumoniae, Haemophilus influenzae
Treatment for RTIs depends on the cause:
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Viral infectionsUsually, they clear up on their own after a few weeks, and antibiotics won’t help.
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Bacterial infections
A doctor may prescribe antibiotics, which you should complete even if you start to feel better.