Knowledge

Photosensitivity

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Jane C. Quinn; Yuchi Chen; Belinda Hackney; Muhammad Shoaib Tufail; Leslie A. Weston; Panayiotis Loukopoulos (2018), "Acute-onset high-morbidity primary photosensitisation in sheep associated with consumption of the Casbah and Mauro cultivars of the pasture legume biserrula", BMC Veterinary Research,
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metabolism.  It accumulates in the body because of liver damage, reacts with UV light on the skin, and leads to free radical formation. These free radicals damage the skin, leading to ulceration, necrosis, and sloughing. Non-pigmented skin is most commonly affected.
367: 175: 125:(a defect in DNA repair) is thought to increase the risk of UV-light-exposure-related cancer by increasing photosensitivity. 325: 45:. In medicine, the term is principally used for abnormal reactions of the skin, and two types are distinguished, 400: 251: 344: 114: 54: 134: 75: 395: 95: 90:
to a light source can take various forms. People with particular skin types are more sensitive to
17: 151:. They are classified as primary if an ingested plant contains a photosensitive substance, like 103: 303: 122: 94:. Particular medications make the skin more sensitive to sunlight; these include most of the 156: 8: 192: 107: 58: 321: 276: 247: 222: 212: 25: 320:(5th ed.). London: Baillière Tindall. pp. 841–847 (Lactation Tetany). 217: 389: 241: 81: 50: 42: 57:
in the mammalian eye are a separate class of light-detecting cells from the
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Particular conditions lead to increased light sensitivity. Patients with
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Anderson, D.M.; Keith, J.; Novac, P.; Elliott, M.A., eds. (1994).
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experience skin symptoms after sunlight exposure; some types of
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are aggravated by sunlight. A rare hereditary condition
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is the amount to which an object reacts upon receiving
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Photosensitivity occurs in multiple species including
110:, include photosensitivity as a possible side effect. 267:
JH Epstein (1999). "Phototoxicity and photoallergy".
349: 316:D.C. Blood; J.A. Henderson; O.M. Radostits (1979). 387: 345:Sensor sensitivity (ISO) in digital cameras 269:Seminars in Cutaneous Medicine and Surgery 266: 246:(28th ed.). W. B. Saunders Company. 244:Dorland's Illustrated Medical Dictionary 388: 159:poisoning and ingestion of biserrula ( 128: 106:. Some dietary supplements, such as 306:. Understanding Horse Nutrition.com 174:, the photosensitzing substance is 13: 14: 412: 338: 69: 64: 172:hepatogenous photosensitization 309: 297: 287: 260: 235: 1: 294:doi:10.1186/s12917-017-1318-7 55:photosensitive ganglion cells 167:(green or dried) in horses. 115:systemic lupus erythematosus 31:Reaction to incoming photons 7: 186: 135:Photosensitivity in animals 10: 417: 178:, a normal end-product of 132: 79: 76:Photosensitivity in humans 73: 15: 353: 61:that function in vision. 228: 96:tetracycline antibiotics 18:photosensitive epilepsy 401:Clinical pharmacology 123:xeroderma pigmentosum 16:For other uses, see 318:Veterinary Medicine 161:Biserrula pelecinus 129:Veterinary medicine 86:Sensitivity of the 59:photoreceptor cells 193:Digital camera ISO 383: 382: 408: 351: 350: 332: 331: 313: 307: 301: 295: 291: 285: 284: 264: 258: 257: 239: 165:buckwheat plants 35:Photosensitivity 416: 415: 411: 410: 409: 407: 406: 405: 396:Skin physiology 386: 385: 384: 379: 378: 362: 341: 336: 335: 328: 314: 310: 302: 298: 292: 288: 265: 261: 254: 240: 236: 231: 223:Photosensitizer 213:Solar urticaria 189: 163:) in sheep, or 137: 131: 108:St. John's Wort 84: 78: 72: 67: 32: 29: 26:flicker vertigo 12: 11: 5: 414: 404: 403: 398: 381: 380: 377: 376: 363: 358: 357: 355: 354:Classification 348: 347: 340: 339:External links 337: 334: 333: 326: 308: 296: 286: 275:(4): 274–284. 259: 252: 233: 232: 230: 227: 226: 225: 220: 218:Snow blindness 215: 210: 205: 200: 195: 188: 185: 176:phylloerythrin 157:St John's wort 133:Main article: 130: 127: 98:, heart drugs 74:Main article: 71: 70:Human medicine 68: 66: 65:Skin reactions 63: 30: 9: 6: 4: 3: 2: 413: 402: 399: 397: 394: 393: 391: 374: 373: 369: 365: 364: 361: 356: 352: 346: 343: 342: 329: 327:0-7020-0718-8 323: 319: 312: 305: 300: 290: 282: 278: 274: 270: 263: 255: 249: 245: 238: 234: 224: 221: 219: 216: 214: 211: 209: 206: 204: 201: 199: 196: 194: 191: 190: 184: 181: 177: 173: 168: 166: 162: 158: 154: 150: 146: 142: 136: 126: 124: 120: 116: 111: 109: 105: 101: 97: 93: 89: 83: 82:Phototoxicity 77: 62: 60: 56: 52: 51:phototoxicity 48: 44: 43:visible light 41:, especially 40: 36: 27: 23: 19: 366: 317: 311: 299: 289: 272: 268: 262: 243: 237: 203:Heliotropism 171: 169: 160: 138: 112: 104:sulfonamides 85: 47:photoallergy 34: 33: 208:Photophobia 180:chlorophyll 22:photophobia 390:Categories 253:0721655777 198:Bergaptene 100:amiodarone 80:See also: 304:buckwheat 153:hypericin 119:porphyria 281:10604793 187:See also 375:: L56.8 92:sunburn 39:photons 324:  279:  250:  149:horses 147:, and 145:bovine 102:, and 53:. The 24:, and 229:Notes 141:sheep 322:ISBN 277:PMID 248:ISBN 88:skin 49:and 368:ICD 170:In 155:in 392:: 372:10 273:18 271:. 143:, 20:, 370:- 360:D 330:. 283:. 256:. 28:.

Index

photosensitive epilepsy
photophobia
flicker vertigo
photons
visible light
photoallergy
phototoxicity
photosensitive ganglion cells
photoreceptor cells
Photosensitivity in humans
Phototoxicity
skin
sunburn
tetracycline antibiotics
amiodarone
sulfonamides
St. John's Wort
systemic lupus erythematosus
porphyria
xeroderma pigmentosum
Photosensitivity in animals
sheep
bovine
horses
hypericin
St John's wort
buckwheat plants
phylloerythrin
chlorophyll
Digital camera ISO

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