Winter is over, and soon a few who will be new freckles. Sometimes as early as March, you see people with a burnt face.
Have you ever done a medical ultraviolet burn (erythema)? Such a thing like to assign to the painful joints. Ultraviolet light has a unique anti-inflammatory action. Effective thing, but not harmless.
This is not a solarium. Skin scald shortwave ultraviolet radiation to burn.
In the best case, after 8 hours it appears all the familiar redness and burning. It's expected reaction. Simultaneously with the redness of the skin decreases the pain in the joint.
Burn does not always work the first time. Sometimes the dose increased for several days. And here the main thing - to stop in time. Because erythema and can not get.
This happens in people taking certain medications. A classic example - are patients with rheumatoid arthritis on methotrexate. They can burn ultraviolet without visible effect. But it is harmful, because the skin is still delicate.
Often more rare backfire. MTX itself is not considered to be drugs that increase sensitivity to the sun. But this drug is sometimes returns the old burn. You heard about this?
Someone burns in the sun or ultraviolet light gets about psoriasis, then it is prescribed methotrexate for arthritis or something worse. And after methotrexate sunburn erupted with renewed force. Rare and incomprehensible thing.
It seems that methotrexate inhibits new burn, but you can not peacefully resolve an existing burn. Healing will go some way wrong. It turns out worse than usual aggravation of erythema.
Be sure to warn doctors about all their medicines!