Health

Griffons have relatively few inherited health problems, but should still be tested for congenital defects, the most serious of which are Syringomyelia (SM) and Chiari-like malformation (CM). The typical life span of a Griffon is somewhere in the range of 10 to 15 years.

Birthing
Griffons usually have no trouble whelping on their own, but sometimes complications can necessitate a Caesarean section. The size of a litter is anything from 1-10 puppies. The size of the litter often determines the extent of these complications. When they are born, the puppies only weigh a few ounces (about 100 grams) and are small enough to fit in the palm of an adult's hand.

Cleft palate
One issue that is typically fatal for the puppies is having a cleft palate. It results in the puppy not receiving nourishment from the mother and eventually starvation. It is uncommon but, depending on the size of the cleft, it is possible for the puppy to survive. When it becomes older surgery can be done to close the hole.

Eyes

Most have large eyes that may require rechecks from a veterinarian.

Lacerations are a common issue amongst the breed. Because the Griffons have such large eyes and a short snout, there is very little there to protect their vision from foreign bodies. If a laceration is left untreated it can result in blindness.

As with most breeds, cataracts are a common problem as the dog ages. For many breeders it is a disappointment that the cataracts typically develop long after the dog has already been bred.

Lens luxations can be fairly common in the breed and result in secondary glaucoma

Glaucoma can also be a common issue amongst Griffons owing to the breed's facial features and eye size.

Although Griffons have a shortened snout, heat stroke is not a major concern for them as it is with other flat-faced breeds. The breed's shortened muzzle may cause respiratory problems in extreme heat, but overall they tolerate both hot and cold weather well. As with any breed, owners must use common sense and not leave them outdoors without protection from the elements or subject them to rigorous exercise during extreme temperatures, so let them in your house for cool air and some water.

Syringomyelia (SM) is a condition affecting the brain and spine, causing symptoms ranging from mild discomfort to severe pain and partial paralysis. Syringomyelia is characterised by fluid filled cavities within the spinal cord. SM occurs secondary to obstruction of cerebrospinal fluid (CSF) especially if that obstruction is at the foramen magnum. Not all dogs with SM have clinical signs. The presence of signs is correlated to the width of the syrinx and extent of spinal cord dorsal horn damage. Syrinxes can progressively expand and a dog which is asymptomatic in early life may eventually experience pain.

Health

Curvature of the back, called roaching, might be caused by patella problems with the rear legs, which in turn causes the dog to lean forward onto the forelegs. This might also just be a structural fault with little consequence to the dog. Due to their shortened muzzles, many Boston Terriers cannot tolerate excessively hot or cold weather and demanding exercise under such conditions can cause them harm. A sensitive digestive system is also typical of Boston Terriers with flatulence commonly being associated with poor diet in the breed.

Their large and prominent eyes make Boston Terriers prone to corneal ulcers. Due to the breed being characterized by a short muzzle paired with a large pair of eyes, their eyes are susceptible to injury when making contact with sand, dust, debris, or sharp objects, such as plants with thorns.

Boston Terriers are brachycephalic breeds. The word comes from Greek roots "Brachy," meaning short and "cephalic," meaning head. This anatomy can cause tiny nostrils, long palates and a narrow trachea. Bostons may be prone to snoring and reverse sneeze—a rapid and repeated forced inhalation through the nose—accompanied by snorting or gagging sounds used to clear the palate of mucus, which does not harm the dog if it does not last for more than 1–2 minutes. Brachycephalic dogs may be prone to complications with general anesthesia. Bostons frequently require caesarean section to give birth, with over 80% of litters in a UK Kennel Club survey delivered this way.