Dr. Maro: Are flea, tick and parasite prescriptions safe for pets? By Dr. Cynthia Maro, Special to The Times, June 26, 2023 Several years ago, I contracted Lyme disease. Like many of my dog patients (and cats, too), I didn’t develop symptoms immediately. Some pets and people become ill within a few days of exposure, read more “The Times” Pet Section: Dr. Maro: Are flea, tick and parasite prescriptions safe for pets?