Evening Primrose Dosage for Dogs

Evening primrose oil is a herbal supplement that comes from the evening primrose plant. It is used for its natural healing properties. It is commonly used for eczema and skin disorders in both human beings and animals. It is also used for Alzheimer's disease, arthritis and heart disease, according to MedLinePlus.

Evening primrose oil contains evening primrose plant oil, gelatin, glycerin and d-alpha tocopherol (providing vitamin E), according to the Provet health care information website.

Evening Primrose plant oil contains gamma linolenic acid, which is recognized for improving the hair and skin of dogs. Gamma linolenic acid, also known as GLA, is a fatty acid. GLA must be supplied within the diet of the dog as the body cannot naturally produce it.

According to figures provided by Provet health care information, the daily feeding rate for small dogs weighing less than 22 lbs. is usually one evening primrose oil capsule. For medium-size dogs weighting between 22 and 55 lbs., the recommended daily allowance is usually two to three capsules. For large dogs weighting between 55 and 99 lbs., the recommended daily allowance is usually three to five capsules. For dogs weighting over 99 lbs., the recommended daily allowance is usually five to six evening primrose oil capsules.

According to figures provided by Provet health care information, the daily feeding rate for small dogs weighing less than 22 lbs. is usually up to five drops of liquid evening primrose oil. The recommended daily allowance is usually 1/4 to 1/2 tsp. of oil for medium-sized dogs weighting between 22 and 55 lbs. For large dogs weighting between 55 and 99 lbs., the recommended daily allowance is usually 1 tsp. of evening primrose oil. For dogs weighting over 99 lbs., the recommended daily allowance is usually 1 1/2 tsp. of oil.