What is the recommended frequency for bathing my pet?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: June 29, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

Bathing your pet at least twice a week is recommended for reducing allergen exposure, especially for dogs, as frequent bathing has been found to be effective in reducing dog allergen exposure. The recommended frequency for bathing your pet depends on their species, breed, and individual needs. For most dogs, bathing once every 1-3 months is sufficient for general health, while cats typically need bathing only when visibly dirty as they groom themselves 1. However, for allergy sufferers, more frequent bathing may be necessary. Short-haired dogs may need less frequent baths (every 3 months), while long-haired breeds might require monthly bathing. Dogs with skin conditions may need medicated shampoos like chlorhexidine or ketoconazole used weekly as prescribed by a veterinarian. Over-bathing can strip natural oils and cause dry skin, while under-bathing can lead to odor and skin issues. Use pet-specific shampoos as human products have different pH levels that can irritate animal skin. Always thoroughly rinse all shampoo from your pet's coat, as residue can cause irritation. Between baths, regular brushing helps distribute natural oils and remove dirt, extending the time between baths while maintaining coat health. It's also important to note that bathing alone may not be enough to completely eliminate allergens, and other measures such as using HEPA filters and reducing exposure to the pet's dander and saliva may also be necessary 1.

Some studies have demonstrated reduced airborne cat allergen by washing the animal on a weekly basis, and frequent bathing of dogs (at least twice a week) similarly has been found to be effective for reducing dog allergen exposure 1. However, the most recent study on skin care, although focused on human infants, suggests that bathing with water alone or with a nonsoap cleanser at least 2 to 3 times per week followed by the application of a bland emollient can help improve skin hydration and skin barrier function 1. This information can be applied to pets as well, emphasizing the importance of gentle and regular bathing to maintain their skin health.

In terms of morbidity, mortality, and quality of life, reducing allergen exposure through frequent bathing can significantly improve the health and well-being of both the pet and their owners, especially those with allergies. Therefore, bathing your pet at least twice a week is a simple and effective way to reduce allergen exposure and improve overall health.

From the Research

Bathing Frequency for Pets

The recommended frequency for bathing pets varies depending on several factors, including the type of pet, its health status, and lifestyle.

  • For dogs, a study published in 2 found that washing the dog twice a week can reduce recoverable allergen from dog hair and dander.
  • Another study published in 3 used a shampoo formulated with sodium hypochlorite and salicylic acid three times weekly for 4 weeks to treat canine pyoderma associated with Staphylococcus pseudintermedius.
  • However, there is no one-size-fits-all answer to this question, as the ideal bathing frequency may vary depending on individual circumstances.
  • It's also important to consider the type of shampoo and bathing technique used, as some may be more effective than others in reducing allergens or treating skin conditions, as seen in studies 4 and 5.
  • The American Animal Hospital Association (AAHA) provides guidelines for canine care, including recommendations for managing health-related factors at different life stages, but does not specify a particular bathing frequency 6.

Factors to Consider

When determining how often to bathe your pet, consider the following factors:

  • The pet's health status and any skin conditions they may have
  • The type of shampoo and bathing technique used
  • The pet's lifestyle and environment, including their level of activity and exposure to allergens
  • The pet's individual needs and preferences, as some may require more frequent bathing than others.

Bathing Techniques and Products

The choice of bathing technique and products can also impact the frequency of bathing needed.

  • Some shampoos, such as those containing sodium hypochlorite and salicylic acid, may be more effective in reducing allergens or treating skin conditions 3.
  • The use of topical antiseptics, such as chlorhexidine, may also be effective in managing superficial pyoderma 5.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.