Amoxycare LA Injection Presentation Amoxycare LA Injection is an off white sterile suspension containing 150 mg/ml amoxycillin as Amoxicillin Trihydrate. Chemically, amoxycillin is 6[D(-α -) amino-p-hydroxyphenylacetamido] penicillanic acid. Also contains Butylated Hydroxyanisole 0.08mg/ml and Butylated Hydroxytoluene 0.08 mg/ml as antioxidants.