CEFREF tracks headache and painkiller days over the previous 28-days. Uptrends indicate increase in headache- and/or painkillers-days. Downtrend indicate decrease in headache- and/or painkiller-days. '●' indicate SEVERE headache days. Pressing circles at the bottom of chart toggles chart lines on and off.

CEFREF keeps track of Headache- / Painkiller-Free days.

CEFREF tracks Headache- / Painkiller-Days over the previous calendar month. Data bars only appear at month end (i.e. data collected from July, will only appear 1st August). Each bar consists of blocks indicating monthly 'Mild', 'Moderate' and 'Severe' Headache-Days. Light blue line indicates monthly Painkiller-Days. Headache-Days and Painkiller-Days for the highlighted month are displayed in circles below.

Pressing background reveals all months.

Pressing circles at bottom of screen toggles between data sets.

CEFREF tracks average monthly Headache- / Painkiller-Days over the previous 3-calendar months. Data bars only appear at 3-month end (i.e. data collected from July-September, will only appear 1st October). At month end each 3-month period updates. Each bar consists of blocks indicating average monthly 'Mild', 'Moderate' and 'Severe' Headache-Days. Light blue line indicates average monthly Painkiller-Days. Headache-Days and Painkiller-Days for the highlighted 3-month period are displayed in circles below.

Pressing background reveals all months.

Pressing circles at bottom of screen toggles between data sets.

CEFREF tracks Headache- / Painkiller-Days over the last 28-days in 28-day periods. Data bars update day end. Each bar consists of blocks indicating 'Mild', 'Moderate' and 'Severe' Headache-Days for that 28-day period. Light blue line indicates Painkiller-Days for that 28-day period. '-1' indicates last 28-days, '-2' indicated 28-days before that etc. Headache-Days and Painkiller-Days for the highlighted 28-day period are displayed in circles below.

Pressing background reveals all months.

Pressing circles at bottom of screen toggles between data sets.

CEFREF tracks 28-day average Headache- / Painkiller-Days over the last 84-days in 84-day periods. Data bars update day end. Each bar consists of blocks indicating 28-day average 'Mild', 'Moderate' and 'Severe' Headache-Days for that 84-day period. Light blue line indicates 28-day average Painkiller-Days for that 84-day period. '-3 to -1' indicates last 84-days, '-6 to -4' indicated 84-days before that etc. 28-day average Headache-Days and Painkiller-Days for the highlighted 84-day period are displayed in circles below.

Pressing background reveals all months.

Pressing circles at bottom of screen toggles between data sets.