Amfipen LA. 100 mg/ml Suspension for injection Pharmaceutical precautions Do not store above 25°C. Do not freeze. Shake well before use. This product does not contain an antimicrobial preservative. Only dry, sterile needles and syringes should be used for administration and the septum should be swabbed before removing each dose. After withdrawal of the first dose, use the product within 28 days. Dispose of any unused product and empty containers in accordance with guidance from your local waste regulation authority. Keep container in its outer carton.