DrugsDB Half Life Calculator

This plugin was developed for, and is wholly licensed to DrugsDB.com.

Plugin URI: http://shinraholdings.com/plugins/drugsdb-half-life-calc Contributors: drugsdb, bitacre
Donate link: http://www.drugsdb.com
Tags: half-life, calculator, widget, drugs, prescription, database
Requires at least: 2.8
Tested up to: 3.5
Stable tag: 1.1

A simple calculator to get the known half-life for medications you're taking.


This plugin allows you to add a widget to your sidebar or shortcode to a page or post that displays a simple drug half life calculator. The calculator outputs the concentration of the drug that will remain in your system over a period of time. The plugin accepts two values: half-life and dosage. You can find the half life of various drugs and medications at Drugsdb.com.

To see a live example, visit: http://www.drugsdb.com/resources/drug-half-life-calculator/

Use the shortcode [halflife] to display it on posts or pages or add it as a sidebar widget.


  1. Download the latest zip file and extract the drugsdb-half-life-calc directory.
  2. Upload this directory inside your /wp-content/plugins/ directory.
  3. Activate the 'Drugsdb Half-Life Calculator Widget' on the 'Plugins' menu in WordPress.
  4. Add the widget to your sidebar (using the Appearance > Widgets menu).
  5. Add to a post or page using the shortcode [halflife].

Frequently Asked Questions

How do I display in posts or pages?

Use the shortcode [halflife] wherever you want it to appear on your post or page.

Is there a PHP template tag?

Yes, use the code <?php do_shortcode( 'halflife' ); ?> anywhere in your theme to display the calculator.

How do I remove the attribution in the Widget?

Check the "remove attribution" option on the widget admin.

How do I remove the attribution in the shortcode?

Add the attribute remove_attrib="yes", so the full shortcode would be '[halflife remove_attrib="yes"]`.

Can I change the title?

Yes, using the widget admin. The shortcode does not print a title so you may simple type a title above the shortcode.


Plugin README Parser: Could not find screenshot-1 image file



  • Removes the link attribution.


  • First release version.

Upgrade Notice


Optional upgrade, removes the link attribution to DrugsDB.com


First release version, nothing to upgrade.

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