Important Safety Information:
HEARTGARD® (ivermectin) and HEARTGARD Plus (ivermectin/pyrantel) are well tolerated. All dogs should be tested for heartworm infection before starting a preventive program. Following the use of HEARTGARD and HEARTGARD Plus, digestive and neurological side effects have rarely been reported. For more information, please visit www.HEARTGARD.com. Click here for prescribing information.