Suggestions:

Ibuprofen - different mechanism of action to Panadol.
Asprin for heart attacks.
Shaprie/texta to write times and patient conditions down.
Clear eyes.
Anti-fungal
Zinc Stick
Backup personal meds - eg nexium, telfast, no-doz, valium, dexies, ventolin, lactase etc...
lip balm.
Electrolyte Sachets.
Sports tape, micro pore tape.
Tampons.