Does HIV infection cause frequent infections?

The immune system coordinates responses that prevent and control infection. Untreated HIV can damage immune cells over time, increasing vulnerability to some bacterial, viral, fungal, or parasitic illnesses. Clinicians look at the pattern: the type of infection, whether it returns, how severe it is, how it responds to treatment, and whether other symptoms are present. Recurrent colds alone do not establish HIV, because exposure, allergies, smoking, diabetes, medicines, and other immune problems can also play a part.

Arrange a medical review if infections keep returning, need repeated treatment, or do not clear as expected. If a possible HIV exposure occurred, request confidential testing and discuss the timing of the test. Bring a list of recent illnesses, test results, antibiotics, and other medicines. If HIV is diagnosed, taking prescribed treatment and attending follow-up helps the care team monitor immune health and investigate new symptoms.

Get prompt advice for persistent fever, unusual mouth or skin changes, prolonged diarrhoea, unexplained weight loss, breathlessness, worsening cough, or an infection that is not improving. Seek emergency help for severe breathing difficulty, confusion, fainting, severe dehydration, or rapidly worsening illness. People with reduced immunity can become unwell quickly and may need early treatment.

Ask whether the pattern of infections warrants HIV testing or other immune tests, which warning symptoms matter for you, and how to prevent or treat infections safely. Mention recent exposures, travel, household illness, medicines, and any condition that affects immunity.