Clinical symptoms of vitamin A poisoning in dogs

1. Fatigue, gum congestion, edema, and sometimes gingivitis and tooth loss, which affects the animal’s feeding and chewing;

2. Loss of appetite, bloating, constipation;

3. Arrested bone growth and development;

4. Exostoses develop around the joints of the cervical spine and forelimbs, the neck is stiff, the bones of the elbows and wrists of the forelimbs are fused, difficulty walking, and lameness;

5. Vitamin A will affect the normal growth, mineralization and redissolution of cartilage. Excessive vitamin A can cause excessive osteogenesis in the bone cortex, which is the main toxicity of vitamin A. Taking large amounts of vitamin A for a long time can cause fetal malformations in dogs.

Treatment of excessive vitamin A

1. Immediately stop feeding diets with excessive vitamin A content. People with mild illness can return to normal, but bone changes are generally difficult to recover.

2. In acute poisoning, detoxification treatment should be carried out in time, such as inducing vomiting and laxatives to eliminate poisons. At the same time, 10% glucose saline can also be injected intravenously.

3. To relieve bleeding caused by vitamin K deficiency due to liver damage, vitamin K preparations can be taken orally or injected.

4. In addition, appropriate symptomatic treatment should be taken according to the condition.

Preventing excess of vitamin A

1. When adding vitamin A preparations to feed, the amount should be strictly controlled.

2. When using vitamin A preparations clinically (such as treating vitamin A deficiency), attention should be paid to the dosage and duration of medication to prevent excessive accumulation and poisoning.

3. The formula dog food currently sold on the market is very reasonable, and there is no need to supplement vitamin A, otherwise it is easy to overdo it and cause poisoning;

4. When owners prepare dog food themselves, they can make nutritional combinations according to the dog’s physical condition.