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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.
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.
Most often, a heat rash will take the form of small red bumps in splotches around your body. They can itch and be filled with fluid. Heat rashes usually appear suddenly within a few hours of ...
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).
It's critical to protect your skin from sun damage that can lead to painful burn, sun poisoning or skin cancer.
Another treatment option is a supervised course of low dose phototherapy, usually undertaken in winter. [2] If resistant, the administration of hydroxychloroquine in early spring is sometimes considered. [10] As sun exposure is avoided, vitamin D levels may fall and hence supplements are sometimes advised. [22]
The skin response resembles an exaggerated sunburn. The involved chemical may enter into the skin by topical administration, or it may reach the skin via systemic circulation following ingestion or parenteral administration. The chemical needs to be "photoactive," which means that when it absorbs light, the absorbed energy produces molecular ...
We apply sunscreen and try to limit the time we spend in the sun, but still, sunburns happen. But at what point does a run-of-the-mill sunburn become sun poisoning? We checked in with Dr. Julie ...