All the Corid I have seen has an expiration date printed clearly on it.
If it is expired throw it out, buy fresh and store it properly.
Corid controls coccidia by blocking thiamine. Sulfa drugs like Sulfamethoxazole work by blocking access to folic acid.
Sulfa drugs are effective against coccidia and bacteria. To me the drawback is that sulfa drugs are antibiotics. If some pathogenic bacteria are present, which they almost always are in some numbers can cause them to become antibiotic resistant with multiple uses.
If it is expired throw it out, buy fresh and store it properly.
Corid controls coccidia by blocking thiamine. Sulfa drugs like Sulfamethoxazole work by blocking access to folic acid.
Sulfa drugs are effective against coccidia and bacteria. To me the drawback is that sulfa drugs are antibiotics. If some pathogenic bacteria are present, which they almost always are in some numbers can cause them to become antibiotic resistant with multiple uses.