FRONTLINE PLUS^®, FRONTLINE TRI-ACT^® and FRONTLINE^® SPOT ON have an exemplary safety profile and adverse reactions to the treatments are very rare. If you believe your pet has experienced any adverse reactions after use of FRONTLINE PLUS^®, FRONTLINE TRI-ACT^® or FRONTLINE^® SPOT ON, please contact our technical services team at petsuk@boehringer-ingelheim.com or your veterinary surgeon.