Consumer Reports Best Buy!This 3 month supply is an advanced, effective spot-on formula kills over 92% of fleas on the dog within 24 hours of application. Kills flea eggs and larvae with Nylar insect growth regulator. Kills and repels mosquitoes, fleas and ticks - including deer ticks which may transmit Lyme disease.Indications: Kills and repels adult fleas for up to 3 to 4 weeks. Kills flea eggs and larvae for up to 4 months. Kills and repels ticks for up to 4 weeks, including Deer Ticks (vector of Lyme Disease), Brown Dog Ticks and American Dog Ticks. It also protects against blood feeding by mosquitoes (vector of heartworm) for up to 4 weeks. Use only on dogs over 12 weeks of age.Contraindication(s): Do not use on cats or animals other than dogs. Do not use on puppies under 12 weeks of age.It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Read entire label before each use.Handling fee remind: $3.00 handling fee will be charged for ALL LVS- items if you order less than $100.00.