Only give as prescribed by your veterinarian and give exactly as directed. Potentiated penicillins Form and Storage Tablets, oral suspension, and injectable Store at room temperature. Once the injectable is reconstituted, store in the refrigerator up to 12 months or at room temperature up to 3 months. Indications for Use Treatment of susceptible bacterial infections. Available by prescription.
Penicillins are bacteriocidal .
Not as useful against anaerobic bacteria as natural penicillins. Amoxicillin and ampicillin are often the first choice antibiotics with unknown infections or while waiting for culture and sensitivity results to come back from the lab. Aminopenicillins are not effective against those bacteria that produce penicillinase or beta-lactamase . Duration of treatment depends on reason for treatment and response to treatment. Oral amoxicillin is better absorbed from the gastrointestinal tract than ampicillin.