en Internal Internal case report case report <p><font face="Times New Roman" size="3"> </font><b><i><span style="color: blue"><font face="Times New Roman" size="3">Abstract</font></span></i></b><font face="Times New Roman" size="3"> </font></p><p><font face="Times New Roman" size="3"> </font><font face="Times New Roman"><b><i><span style="color: blue font-size: 10pt">Background:</span></i></b><span style="font-size: 10pt"> Human infestation to ectoparasites such as ticks, lice, cimex, fleas, mites and others agents may result in intensive allergic reaction with symptoms of itching, skin infection and severe irritation. In this case report, we present a case of dermatitis caused by cat flea. </span></font></p><p><font face="Times New Roman"><span style="font-size: 10pt"></span></font><font face="Times New Roman"><b><i><span style="color: blue font-size: 10pt">Case presentation:</span></i></b><span style="font-size: 10pt"> A three-member family referred to dermatology clinic in Babol due to dermal complications. They complained of irritation and the unrest caused by intense itching. Samples of tiny live insects were detected from their clothing which was recognized as C. felis (cat flea).</span></font></p><font face="Times New Roman" size="3"> </font><font face="Times New Roman"><b><i><span style="color: blue font-size: 10pt">Conclusion: </span></i></b><span style="font-size: 10pt">This report highlights the importance of ectoparasites causing dermatitis.</span></font><font face="Times New Roman" size="3"> </font> Ctenocephalides felis, Flea, Dermatitis, Skin, Human, Iran. 248 250 http://caspjim.com/browse.php?a_code=A-10-62-206&slc_lang=en&sid=1 Mohammad Reza Youssefi 10031947532846002485 10031947532846002485 No Soheil Ebrahimpor 10031947532846002486 10031947532846002486 No Mojtaba Rezaei 10031947532846002487 10031947532846002487 No Ehsan Ahmadpour 10031947532846002488 10031947532846002488 No Arash Rakhshanpour 10031947532846002489 10031947532846002489 No Mohammad Taghi Rahimi drsoheil1503@yahoo.com 10031947532846002490 10031947532846002490 Yes