Give one dose directly in the mouth at the first sign of any of the stated situations (trauma, injury, shock, fever, GI upset, or inflammation).
Give one dose each half-hour thereafter for 2 more doses then every 2 hours for 2 more doses. if your animal has steady improvement, one dose can be given 3 times per day for 1-3 days if needed.
If at any time your animal is not improving or is getting worse, seek veterinarian advice.