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Photosensitivity & Drug Labeling |
Special labels are often attached to the medicine containers of those drugs that have photosensitive properties within them. These labels are put on the pharmaceuticals that may cause an unusual response to the sun and other sources of ultraviolet (UV) light. This is called "photosensitivity. There are several reactions that can occur. However, the most common reaction is an intense or exaggerated sunburn. However there are frequently rashes, blistering, swelling and other skin problems which can also occur. This is all due to a person being photosensitive. It is important to note here that not everyone who takes these drugs has a reaction. Many people have no problems, and others react only mildly. It is known that photosensitivity is hard to predict, and just because someone else hasn't had a reaction doesn't mean it won't happen with you. It is also known that the same person can also respond in different ways at different times. Many factors enter into this. The amount of medication you take, other drugs or products you're using, and the intensity of UV light -- determine whether reaction will occur. Here you must be warned-don't be fooled if you haven't reacted while taking one of these drugs in the past . Photosensitivity can still occur the next time around. It must be also noted that in some cases, photosensitivity may also continue after a drug is stopped. With tetracycline for example, some people stay sensitive for several weeks. With some patients it can sometimes up to several months) after they've finished the medication. Because photosensitivity is so hard to predict, the best approach is to prevent reactions by always protecting your skin. Using long-sleeved clothing and a head covering are advisable as well. Photosensitivity may happen quickly (sometimes in as little as 10 minutes), so even the time it takes to walk to the store, wash the car, or mow the lawn or shovel the snow out of the driveway on a bright winter's day, it can be enough to cause a reaction in some people. Be wary of the sun, but also remember some types of lights also can be harmful as well as reflected light such as snow glare. |
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