Pet safety · Dogs

Toxic Herbs for Dogs — Safety Checker

Dogs metabolize many herbs better than cats, but breed sensitivities (MDR1 in Collies, Aussie Shepherds, Shelties) and weight-based dosing make safety species-specific. Check before giving any human-use herb to a dog.

Do not give to dogs

  • Garlic (chronic)
  • Onion family
  • Pennyroyal
  • Tea tree oil (topical hazardous)
  • Ma huang / ephedra
  • Xylitol (not herb but common in tinctures)

Commonly safe with care

  • Milk thistle
  • Slippery elm
  • Chamomile
  • Ginger (motion sickness)
  • Turmeric (with Golden Paste recipe)
  • Dandelion leaf
  • Valerian (anxiety)

Always consult a holistic vet; weight and condition-specific dosing required.

Species notes

  • MDR1 genetic mutation affects Collies, Aussies, Shelties, Long-haired Whippets, Silken Windhounds — check with vet before ivermectin-interacting herbs.
  • Weight-based dosing: roughly 1/4 human dose for a 25 lb dog, 1/2 for 50 lb, full for 100 lb — but always start lower and observe.
  • Avoid essential oils internally and most EOs topically for small breeds — use hydrosols instead.