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How many tablets would protect you from disease?

Use our calculator to find out how much medication you'd need to take if you were at risk of river blindness.

It’s amazing to think that a disease as devastating as river blindness can be prevented by providing people with treatment that depends on their height.

But it works.

Enter your or a family member’s height below, and see how many tablets you’d need to take if you were at risk of river blindness.

How many tablets would you need?

How tall are you?

Your height holds the secret to how many tablets you need to protect you from diseases like river blindness.