October 13, 2008
Ringworm Symptoms
Aside from a hairball every once in awhile, most domestic cats are healthy animals. Caring owners who provide annual vaccinations and a safe living environment will find that their pet requires few visits to the vet for treatment of illnesses. But as a conscientious owner, you want to be able to recognize the symptoms of a cat illness so that you can get care in a timely fashion when needed.
I did not know, for example, that the most common infectious skin disease in cats is cat ringworm - a fungal infection caused by a microscopic group of parasitic fungal organisms known as dermatophytes (which means "plants that live on the skin"). Ringworm invades dead, outer layers of the skin, claws & hair. It is highly contagious and can be spread to other animals and people in the house.
There are three common types of dermatophytes that may cause ringworm: Microsporum gypseum comes from contaminated soil, Microsporum cani usually from other infected animals is the most common cause of cat ringworm, and Trichophyton mentagrophytes infects cats exposed to rodents.
What are the symptoms of cat ringworm?
Ringworm causes the loss of hair in a circular patch. It is more common in kittens, long haired cats, and cats under environmental or emotional stress. The site of infection may have flakey skin and may or may not itch. The edges of the circle of ringworm infection may be raised slightly. The most common locations for infection are the head, face, ears, tail, and paws. Although the disease may resolve itself in six to eight weeks in a healthy cat, cats with compromised immune systems should be treated with medication.
Cat ringworm may be diagnosed by your veterinarian using an ultraviolet light that shows the infected area hair with a green fluorescent glow. The fungus will also present under microscopic examination and can be cultured.
What are the treatments for ringworm?
Because ringworm is contagious to other animals and people, you will need to treat both the cat, other animals in the house, and the environment. You vet will probably recommend a shampoo or dip that includes lime sulfur. Bathing should be done every 4 - 6 days for approximately 2 - 4 weeks. Griseofulvin (Fulvicin®) is the most commonly used anti-fungal drug. Griseofulvin should not be given to cats with FIV and pregnant women should not handle Griseofulvin. Other drugs which may be used to treat ringworm include: Ketoconazole (Nizoral®), Itraconazole, Terbinafine - (Lamisil ®). There is also a ringworm vaccine made by Fort Dodge called Fel-O-Vax® MC-K. for M. Canis that can be given to a healthy cat over 4 months of age.
To decontaminate the environment, vacuum daily and use diluted bleach to clean surfaces and grooming equipment. Carpets and upholstery should be steam cleaned and cat’s bedding washed with diluted bleach formula.
If you would like to learn more about cat ringworm and other cat disease symptoms, you can visit The Cat Lovers Only website which has a wealth of valuable information for cat lovers.
Posted by Barbara.
Filed under General by Editor