Lifestyle and home remedies. If your swollen lymph nodes are tender or painful, you might get some relief by doing the following: Apply a warm compress. Apply a warm, wet compress, such as a washcloth dipped in hot water and wrung out, to the affected area. Take an over-the-counter pain reliever.
Quick Answer. Puppies can be given their first dose of topical flea treatment between 6 to 8 weeks of age, according to Adelaide Animal Hospital. Flea prevention treatment should be given once a month to prevent fleas and ticks from coming back. Continue Reading.
Treating an older puppy for fleas. Comfortis Chewable Tablets for Dogs are a meat flavored tablet that rapidly kills fleas on dogs and then goes on to prevent flea infestations for a further month. Comfortis starts to kill fleas within 30 minutes of administration and will kill 100% of fleas on a dog within 4 hours.