286 THE VETERINARY DOCTOR. 
SWOLLEN JOINTS. 
For swollen foot, caused by injury, apply arnica externally and give it 
internally; for that resulting from cold, use dulcamara; for cases arising 
from dropsy, give china and arsenicum; for that caused by movement, but 
relieved by rest, give rhus; if the sole be hot, use squilla; if the general 
swelling of the foot be hot and rather hard, bryonia; if the swelling 
tbe near the fetlock, thuja. 
If the thigh be swollen from a bruise, use arnica externally and inter- 
nally; if the swelling is hot and hard, give bryonia; if damp and cold, give 
arsenicum and china, followed by sulphur. 
For swollen zee, caused by a bruise, use arnica internally and exter- 
nally; if the swelling be old and painful, china; if not painful, pulsatilla. 
DISEASE OF THE TAIL. 
Occasionally the hair falls from the tail, matter comes from the end, 
and ulcers form and involve the bone, causing parts of the tail to fall off. 
This is generally fatal, though arsenicum, mercurius and sulphur may be 
serviceable. Sulphurous-acid lotion may be applied to the diseased parts. 
WATER ON THE BRAIN.—HYDROCEPHALUS. 
Water on the brain of a calf causes enlargement of the head and 
symptoms similar to those of apoplexy (see Apoplexy), except that its 
symptoms are slow and gradua!, while those of apoplexy are rapid and 
sudden. Kemedies may be selected from those given on Apoplexy in the 
Horse. 
INSECTS IN THE HEAD. 
Symptoms.—Increased heat of the ears and roots of the horns; dry 
muzzle; quick, small, full pulse; little appetite; absence of the cud; staring 
coat; dullness; seeming lack of consciousness; loss of flesh; pain; listless- 
ness; giddiness; falls; head fixed on one side, or turned from one side to the 
other; unsteady movements; rapid turning around in one place, followed 
by falling, and then a repetition of the same. 
TREATMENT.—Give belladonna for dullness followed by violent or 
unsteady movements, and cantharis for frequent changes of the body and 
of the head. Graphites may be useful for listlessness, with drooping head 
and distressed manner. Yet medical treatment can be of little avail. 
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