Dog Dandruff: Facts, Prevention and Treatment

The skin is the largest organ in the body, and it's susceptible to environmental and physiologic damage, so it's important to take care of and protect it. One common condition seen in dogs of all ages and breeds is dog dandruff — this, just like many other conditions, can be a sign that something else is off with your dog's skin and coat health.

Understanding what causes dandruff, how to distinguish it from other conditions and what to do about it can give you actionable steps to take to help your pup feel more comfortable. Here's what you should know.

Dandruff, also called scaling, looks like visible chunks of white or translucent dead skin cells that either sit on your dog's fur or are shed into the environment. You may also see flakes of skin left behind when your dog gets up after resting. Typically the size of a pinhead or smaller, dandruff is irregularly shaped and often seen along the top of your dog's back.

Dandruff can be a sign that something else is off, whether that's a skin condition or an internal issue. While dandruff can show up on its own, it can sometimes be accompanied by other signs, like itching, redness, odor or even weight loss or vomiting. These additional signs can help indicate to your veterinarian what the cause may be, so it's important to call for an appointment if you notice your pup is showing signs of a problem.

Sometimes, dandruff can be mistaken for other conditions. One common challenge is distinguishing dandruff from flea eggs, as both appear as white specks on the hair and skin. While they are similar, there are specific differences you can look for to give you an idea of what you're seeing.

Despite knowing this, it can still be challenging to know which is which. Flea eggs are typically accompanied by other signs of fleas, including seeing live insects or flea dirt (feces), and dogs with fleas are often itchy.

In addition to flea eggs, dandruff can be mistaken for a contagious skin mite called Cheyletiella. Cheyletiella mites look exactly like pieces of dandruff, except they are usually moving, hence their nickname "walking dandruff."

If you have any concerns or questions, it's a good idea to contact your vet for a professional opinion. They can provide an accurate diagnosis and help you develop a treatment plan, whether it's dandruff or fleas.

While dandruff can sometimes be distinctly a skin condition, it can also be a sign the body is struggling with sickness elsewhere. Typically, the best way to determine the cause of dandruff is by looking at other accompanying signs.

For example, in the case of skin conditions, there may be itching, redness, odor or hair loss. If it's an internal concern, they may have dandruff along with weight loss, excessive thirst, irregular appetite, vomiting or low energy. In any case, your vet can help determine if there's something else going on and provide the right care for your dog.

These are some of the most common causes of dandruff in dogs:

• Skin allergies

• Skin infections

• Dry climate

• Parasites

• Autoimmune skin disorders

• Seborrhea

• Excessive bathing resulting in dry skin

• Sun burn

• Poor nutrition

• Stress

• Hormonal conditions, such as Cushing's syndrome

• Pain or sickness, which can result in poor grooming

Dandruff can occur in dogs of all ages, breeds and sizes, but some breeds are at higher risk for certain underlying genetic diseases that result in dandruff. These breeds include cocker spaniels, basset hounds, West Highland white terriers, Yorkshire terriers, golden retrievers and Cavalier King Charles spaniels.