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What is the dosage of Sulfadoxine and Pyrimethamine in each uncoated tablet of Trafan?

March 16, 2026Biology

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Answer

3

6 steps

Identify the amount of Sulphadoxine per tablet from the label.
$500\ \mathrm{mg/tablet}$
Standard adult dose of Sulphadoxine for this antimalarial combination.
$1500\ \mathrm{mg}$
Formula for number of tablets required.
$n = \frac{\mathrm{total\ dose}}{\mathrm{dose\ per\ tablet}}$
Substitute values.
$n = \frac{1500\ \mathrm{mg}}{500\ \mathrm{mg/tablet}}$
Simplify.
$n = 3\ \mathrm{tablets}$
Verify with Pyrimethamine content.
Pyrimethamine per tablet = $25\ \mathrm{mg}$ .
For 3 tablets: $3 \times 25\ \mathrm{mg} = 75\ \mathrm{mg}$ , which matches the standard adult dose.

3 tablets
3

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