Typical dosage for Unasyn
Unasyn is given as an injection into the veins (IV) or into the muscle (IM). The injection is usually administered by a healthcare professional in a healthcare setting (e.g., hospital, clinic, nursing home).
The dose and length of treatment depends on what type of infection you have and how serious it is. The prescriber will determine the right dose and length of treatment for you.
The total dose is expressed as the total grams of ampicillin and sulbactam added together. For most infections, the general dosage is as follows:
- Adults and children weighing at least 88 lbs (40 kg): The typical dose is 1.5 grams to 3 grams given IV or IM every 6 hours.
- Children ages 1 year and older: The typical dose is 300 mg/kg of body weight, given IV in equally divided doses every 6 hours.
The maximum dose is 3 grams given every 6 hours. Your dose might differ if you have kidney problems or if you're getting treated for certain resistant (difficult-to-treat) bacterial infections.
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