Substances causing phototoxic or photoirritant contact dermatitis: Furanocoumarins are found only in the bark of colored plants, plants containing psoralen, Rutaceae species, lime, lemon, citrus, umbelliferous species, celery, anemone, fennel, dill, carrot, Asteraceae, plant spices, tar, such as asphalt. Phytophotodermatitis can occur when moist skin comes in contact with these plants and then exposed to sunlight. Substances causing photoallergic soluble dermatitis: The main ones are shading agents, aromatic family, and antimicrobial agents, such as sunflower musk, 6-methyl coumarin in the aromatic family. Systemic drugs with photosensitivity Drugs causing erythema, edema and maculopathy, tetracycline, ashwagandha, nalidixic acid; causing erythema, papules, para-aminobenzenesulfonamide, thiazide as diuretics, sulfonylurea hypoglycemic agents; causing erythema edematous reactions, azulenimidine, 5-fluorouracil, vincristine; causing erythema papules or mossy rash chlorpromazine; causing persistent edematous erythema reactions, phenothiazine, amiodarone non-steroidal anti-inflammatory drugs causing erythematous papules, blisters, inflammatory pain Xicam, benluprofen; causing pseudoporphyria reactions, neproxen, tetracycline, nalidixic acid, cosmetic products for tanning, hematoxylin; foods causing solar dermatitis, amaranth, rape, amaranth, celery, eggplant, potato, cauliflower, elm leaves, acacia, prickly lettuce, ashwagandha, spinach, purple yew, marjoram, capers, figs, fresh mango, yellow Mud snail, etc.