Most venom isn’t poisonous, as your gastric juices denature the proteins and enzymes which make them dangerous. Big HOWEVER though, is that if you have a cut or

Most venom isn’t poisonous, as your gastric juices denature the proteins and enzymes which make them dangerous. Big HOWEVER though, is that if you have a cut or any route to your bloodstream in your mouth or throat... then you can be envenomated that way. In addition some animals are both venemous and poisonous, such as tarantulas with urticating hairs.