​How to prepare your dog or cat for teeth cleaning. Get the pets accustomed to your fingers in their mouth so that you can brush their teeth, remove obstructions, and check the gums should be healthy and pink, except for pets with dark pigment. No odor should be coming from the mouth unpleasant scent could be gum disease, tooth decay, or gastrointestinal problem, check with your vet.
Also, make sure your pet is not dehydrated and feels the moistness in the gums. Wet is good dry or sticky means encourage your pet to drink water. You can also add a small bit of tuna juice maybe it will encourage your pet to drink it. Another thing you can do is administer it with a syringe or eyedropper.

Cleaning of the ears gently strokes the head, sniff the ears and remove dirt and wax debris with a soft cloth moistened or a Q-tip with purified water or room temperature chamomile tea which calms inflammation and has both anti-bacterial and anti-fungal. Stay away from alcohol which not only dries the ear canal but can sting the pet if it has a scratch. If the ear is red, smells bad or if you see coffee ground-like dirt, it could be ear mites. You may cause your pet pain if you try to clean it call the vet.

Excessively tear eyes, if they have a thick discharge or if the pet is rubbing them, clean with purified water, flushing from the outer corner gently pull up on the upper eyelid allowing fluid and debris to run down the snout. If that does not work call the vet.

​Be very careful with common spring toxins, like cleaning products. Keep the cleaning products out of the pet's reach. Put the pets in another room when using cleaning products. There is also product outdoors that are very dangerous. It is essential that you know what outdoor plants are poisonous to your pets. You always want to supervise your pets when outdoors in case the pets encounter something hazardous you can take immediate action.
Some items are not pet friendly they are hidden under chairs, sofas, and other places. Be sure you look for household medications they are usually found when cleaning. The pets tend to get into them. 
If you suspect your pet has ingested a toxin stay calm and call your vet or ASPCA Animal Poison Control Center at (888) 426-4435

The health status of the senior cat can change quickly, with few or no obvious external signs. “Cats are masters at hiding their pain.” Cats are solitary survivors. Cats hunt alone and rely only on themselves for safety and protection. Expression of pain like limping, or moaning would alert predators that the cat is vulnerable and decreases the cat's survival.
The senior cat should have a vet visit every 6 months. The cat will have a better quality of life if detected early of diseases. The vet can assess the cat if it is in pain then the vet can source of pain and provide treatment for pain.
Help your cat by making their life easier with a low-sided, large litter box, add multiple water low-sided, wide-based water bowls near the resting area. Low-sided, wide-based food bowls near the resting area. 
Elevate food and water bowls to help cats with the degenerative joint disease be more comfortable while eating and drinking.