Augment the vigour of the whole body permanently, whilst stimulants only act for a short time. They are chiefly useful after low fever.

1. Tonic Pills

Disulph&te of quinine, 1 to 3 grains; ginger, 2 to 3 grains. Extract of gentian, enough to form a bolus, to be given twice a day.

2. Tonic Mixture

Compound tincture of bark, 1 ounce; decoction of yellow bark, 7 ounces. Mix, and give two tablespoonfuls twice or thrice a day.

3. Distemper Tonic

3. Distemper Tonic - -Aromatic spirit of ammonia, 1 drachm; decoction of yellow bark, 1 ounce; compound tincture of bark, 1 drachm. Mix.