Odata cu venirea primaverii, in aer creste numarul de particule de polen, praf, parti de plante, iar solul este invadat de potentiali paraziti (purici, capuse, oua ale unor viermi intestinali etc.). De asemenea, in acest anotimp este stimulata multiplicarea unor bacterii, exista o mare diversitate de plante ce pot secreta substante cu efect alergenic si creste numarul pasarilor care vor pierde puf si pene, acestea fiind purtate de vant si depuse pe unde mergem cu cainele la plimbare. Ca urmare, creste riscul aparitiei unor reactii alergice. Alergia este o reactie exagerata din partea sistemului imunitar al cainelui si da simptome diferite, in functie de zona unde se manifesta. In unele cazuri nedorite, se poate produce chiar o reactie anafilactica ce implica intreg organismul, aceasta fiind o stare de soc ce poate pune in pericol viata animalului.
Alergia este o reactie imediata ce apare de la diverse substante (atat din natura, cat si fabricate) numite alergeni. La contactul cu acestia, cainele poate suferi o rinita alergica, o criza de astm, o conjunctivita alergica, colita, otita sau dermatita pe fond alergic. In cazurile extreme poate aparea o anafilaxie. Diagnosticul, dar si tratamentul acestor alergii tin doar de competenta unui medic veterinar, iar medicatia unor astfel de afectiuni se bazeaza pe produse farmaceutice cu rol antihistaminic, de tipul clorfeniraminului, clemastine, loratadina, hidroxizina etc. In unele cazuri se folosesc si antiinflamatoarele steroidiene, cum ar fi prednisonul, dexametazona sau hidrocortizon.
Liviu Harbuz
DVM Ph. D
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