No, okra is not poisonous and there are no known dangers to humans or animals from consuming okra. However, some people may be allergic to okra, which can cause symptoms such as swelling, itching, and difficulty breathing. If you experience any adverse reactions after consuming okra, seek medical attention immediately. Additionally, okra seeds contain a substance called gossypol, which can be toxic in large quantities. However, the amount of gossypol in okra is not usually significant enough to cause harm.