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Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.
The test compares the cytotoxic effect of a test substance when tested after the exposure, then tested in the absence of exposure to a non-cytotoxic dose of UVA/vis light. Cytotoxicity is expressed as a concentration-dependent reduction of the uptake of the vital dye - Neutral Red .
People can also get rashes or burns after taking certain medications — such as common blood pressure medications — and being out in the sun. In those cases, the rash would appear on parts of ...
That's for old people.'" While skin cancers generally develop after 10 years of sun exposure, Robinson says she's treated patients as young as 15 years old for melanoma - a deadly form of skin cancer.
Other symptoms to note: Drug rashes can be a side effect of or a reaction to a new medication; almost any medication can cause a drug rash, but antibiotics and NSAIDs are the most common culprits ...
Between 3 and 10% of children taking amoxicillin (or ampicillin) show a late-developing (>72 hours after beginning medication and having never taken penicillin-like medication previously) rash, which is sometimes referred to as the "amoxicillin rash". The rash can also occur in adults and may rarely be a component of the DRESS syndrome. [48]
With sunny summer weather can come new skin rashes, including heat rash and sun poisoning. But some can be severe, so it's important to know the differences.
Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).