The central issue is exposure
Cannabis products intended for people can poison companion animals. In a club or shared social space, the relevant question is therefore not simply whether a dog is welcome, but whether it can reach material on tables, floors, bags or bins. A 2022 survey of 251 North American veterinarians identified unattended oral ingestion as the most commonly reported route of pet exposure. This describes veterinary cases, not the prevalence of pets in Spanish clubs.
What poisoning can look like
ASPCA identifies signs including an unsteady gait, unusual sleepiness or depression, dilated pupils, urine dribbling and heightened sensitivity to sound or touch. Heart rate and body temperature may also fall. These are medical signs, not evidence that an animal is relaxed or enjoying the setting. Different toxic substances can cause overlapping signs, so an animal’s appearance alone does not establish a diagnosis.
Food products can add another hazard
Cannabis-containing food may include ingredients that are independently problematic for pets, such as chocolate, xylitol or raisins. The veterinary question therefore includes the whole product, not THC alone. Packaging and an accurate account of possible exposure can help a veterinarian assess what happened. Suspected ingestion warrants prompt veterinary contact; home attempts to induce vomiting or administer human remedies can create additional risk.
A genuinely pet-conscious space prevents contact
UC Davis veterinary guidance emphasises removing access to cannabis and keeping animals away from areas where it is used. Applied to a shared venue, that means separating pets from consumption spaces, securing products and waste, and preventing access to unattended bags or food. These measures concern the animal’s environment rather than its temperament. A calm, sociable dog still explores with its mouth, and a pet-welcome policy alone cannot control the substances within reach.
Sources & further reading
General information, not individual legal or medical advice.