Sounds like a case of tapeworms. Take a fecal sample (including the worms) to your veterinarian for confirmation. The over-the-counter dewormers aren't going to help you rid your pet of these critters. Save your money for the proper treatment and spare your pet unnecessary chemicals.
A house full of sniffles! Typically, viruses are species-specific. That is, dog viruses such as those that cause viral upper respiratory infections, do not cause infection in humans. Of course, viruses can, and do, mutate, although that is quite rare (think avian influenza, etc). Bacteria, on the other hand, only desire a warm body; they don't care what the species is. Bacterial infections in general tend to be much less contagious (think direct contact).
Bottom line: it is highly unlikely your dogs gave your friend a "cold" or that you gave the dogs an infection.
Poor baby! Whenever I hear these types of clinical signs I think of the two most common cause: 1) muscular/joint strain or sprain or arthritis and 2) back injuries. Sounds as though your baby is doing better so just keep an eye on it. If it happens again, have it checked out. Many cases of back injuries can begin this way so don't ignore it. This is also a good excuse for a little V-day massage and warm heating pad or compress.
Sorry about your baby. The MDR1 test is an excellent idea! (and one I wish more pet parents pursued)
Talk to your vet about multi-modal therapy. We often add potassium bromide in an attempt to lower PB dosage and reduce seizure frequency. Also talk with your vet about adding omega-3 fatty acids to the diet (1-2 grams DHA/EPA per day). Finally, talk about some herbal treatments and if they're a good fit for your dog.
As a general rule, no, Interceptor is not typically related to seizure activity in dogs.
Bulldogs and Belly Rubs - sounds like a perfect recipe for Valentine's Day!
But seriously, I'd have that bump checked out. It's probably nothing, but there can be serious skin tumors in that sensitive region. Further, you want to have it checked out when it's small so that biopsy/surgery can be performed. Too often I see patients whose owners waited too long - with disastrous results.
Is this the destructive dog you just posted about? He should be taken to your vet immediately. Please let us know what you find out. Bloat and/or gastric-dilatation volvulus is a serious and life-threatening condition.
Sorry to hear about your baby! Surgery is indicated in many cases of intervetebral disc herniation. Your vet will likely perform a myelogram or MRI to conform herniation. This is a typical, if somewhat lower, estimate for spinal surgery such as this. Good luck and let us know how your baby does.
Congrats on your new house! Not so much on the doggie destruction...
First off, how much sustained aerobic activity are your dogs getting each day? One of the first steps I take when confronted with these cases is to increase the daily activity and interaction. You've got some big, high-energy dogs that need lots of exercise...or else. I know it can be tough with busy schedules, but that's part of the contract we signed when we brought dogs into our lives. Start with a brisk 30-minute walk/jog in the morning before work and repeat when you get home. If you're too busy, consider a doggie day camp that integrates exercise and play. While I could describe many, many behavioral modification steps for you to take, the first step is the easiest and often most effective. A tired dog is a happy dog. Besides, the exercise will make you fell better, too!