What does a “prednisolone 15 mg / 5 mL” dosage chart usually mean?
A concentration like 15 mg in 5 mL means the medicine liquid is typically 3 mg per mL (because 15 ÷ 5 = 3). Many dosing charts then convert the prescribed dose (in mg) into an amount (in mL) using that concentration.
How to convert doses into mL for a 15 mg/5 mL (3 mg/mL) liquid
If your bottle says 15 mg in 5 mL, you can use this conversion:
- mL = (prescribed dose in mg) ÷ 3
- mg = (mL) × 3
Examples:
- 5 mg = 5 ÷ 3 = 1.7 mL
- 10 mg = 10 ÷ 3 = 3.3 mL
- 15 mg = 15 ÷ 3 = 5 mL
- 20 mg = 20 ÷ 3 = 6.7 mL
- 25 mg = 25 ÷ 3 = 8.3 mL
- 30 mg = 30 ÷ 3 = 10 mL
What dosing chart do you actually need: adult, child, or tapering schedule?
Prednisolone dosing is not just based on the concentration; it depends on:
- the condition being treated (e.g., asthma flare, croup, inflammatory conditions)
- the patient’s age and weight (especially for children)
- whether this is a short course or a taper (stopping suddenly can be unsafe after longer use)
Because of that, dosing charts vary a lot by indication and prescriber instructions. A “standard” chart (age/weight → mL) is common in some clinical settings, but it’s not one universal chart for every situation.
If you tell me the prescribed dose, I can format your chart in mL
To produce the exact “chart” you want (e.g., “Day 1–3: ___ mL per dose”), tell me:
1) Is the medicine liquid labeled 15 mg/5 mL (or is it a different strength)?
2) Patient age and weight (if it’s for a child)
3) What the prescription says in mg and how many times per day (or paste the exact directions)
Then I can convert it into a clear mL dosing chart.
Safety note (important for prednisolone)
Use the regimen your prescriber gives. Doses and schedules can differ widely, and stopping or tapering depends on how long prednisolone has been used.
Sources
No external sources were provided with your question. If you want, share the country (UK/US/other) and the indication (e.g., asthma, eczema flare, croup), and I can align the chart style to typical prescribing guidance.