application of sulfa veterinary drugs

- May 05, 2018 -

Sulfonamides are widely used in swine disease because of their broad antibacterial spectrum, convenient use, stable properties, and low price. However, improper use may lead to an allergic reaction after eating pork, may also cause adverse reactions such as hemoglobinuria, anemia, and even endanger human health. Therefore, pig farmers should abide by the following six principles when applying sulfa drugs:

Double the amount for the first time. The first use of sulfa drugs can double the goal of rapid antibacterial, and then use the normal amount, until the symptoms disappear, then give 2 to 3 times the minimum amount, in order to maintain a longer period of efficacy, to prevent bacterial rebound.

Pay attention to incompatibility. Sulfa drugs, especially compound sulfamethoxazole, cannot be compatible with penicillin, sodium bicarbonate, calcium chloride, vitamin C, vitamin B1, and compound sodium chloride solutions, and must be used alone.

Do not use it for long periods of time. Although sulfa drugs have a good effect on bacteria such as Streptococcus suis, bacteria will soon develop resistance after a period of time, causing all sulfa drugs to fail, and other antibiotics should be quickly replaced.

Ensure adequate drinking water. Giving more water to pigs can maintain high urine flow and prevent drug crystallization. Give sulfa drugs to pigs for more than one week, and if necessary, take bicarbonate soda solution.

Vitamin B family. Sulfa drugs can inhibit the synthesis of B vitamins in the intestine. Therefore, if a pig is given sulfa drugs for more than one week, it should be given vitamin B or more to feed it to prevent its deficiency.


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