Doxycycline side effects in Pit Bulls

59 FDA reports involve Doxycycline in a Pit Bull. These are the problems they describe.

Didn't prevent heartworm
19 32%
Vomiting
12 20%
Loss of appetite
8 14%
Lethargy
8 14%
Cough
7 12%
Liver problems
6 10%
Weakness
4 6.8%
Breathing problems
4 6.8%
Didn't stop worms
4 6.8%
Death
4 6.8%
Decreased activity
3 5.1%
Low platelet count
3 5.1%

All reports for Doxycycline in dogs