noun
- a toxic reaction of the skin to a substance (such as a drug or chemical) when exposed to sunlight or ultraviolet radiation
Usage: medical/scientific term; uncountable noun
Examples
- Certain antibiotics can cause phototoxicity if you spend time in the sun while taking them.
- The dermatologist warned that the medication might trigger phototoxicity in patients with sensitive skin.
- Phototoxicity differs from photoallergy in that it does not require prior sensitization.
- Some sunscreen ingredients have been studied for their potential to cause phototoxicity.
- Patients taking tetracycline antibiotics should be aware of the risk of phototoxicity.
- The phototoxicity of the chemical compound was confirmed through laboratory testing.