Common Flu remedies to have on hand:

TAKE AT FIRST SIGN OF COLD OR FLU
Oscillococcinum


FLU
Aconitum 30C for a fever that comes on suddenly, anxiety and fear
Arsenicum 30c for a burning fever with chills, restlessness
Bryonia 30c for feverishness and irritability, sufferer lies very still
Gelsemium 30c for total physical prostration with shivering
Nux Vomica 30c for pains in bones, joints, with chilliness and irritability
Rhus Tox 30c for aches in joints and bones, with restlessness, red tipped tongue, thirsty with dry mouth
Ipecac 30c for pains in bones, back, legs, often with persistent nausea
Eupatorium perfoliatum 30c severe bone pains with great thirst

GASTRIC FLU
Arsenicum 30c for restlessnes, fever / chills with diarrhoea,
Bryonia 30c mouth tastes bitter, sufferer lies very still
Nux vomica 30c with chilliness and irritability,
Ipecac 30c constant nausea, not better for vomiting
Eupatorium perfoliatum 30c has thirst before vomiting