Can Dogs Eat Potato Skins? Risks, Safety, and Guidelines
Potatoes are a common staple in many households, and it's not unusual for pet owners to wonder whether it's okay to share some with their dogs. While plain, cooked potatoes can be included in your dog’s diet as an occasional treat, potato skins pose specific risks that must be understood before feeding them to your canine companion.
What’s Inside a Potato Skin?
Potato skins are not just a harmless wrapper around the starchy vegetable. They can contain:
- Solanine: A naturally occurring toxin, especially found in raw, green, or sprouting potatoes and their skins.
- Oxalates: Compounds that, in large quantities, may contribute to kidney issues.
- Fiber: Beneficial in moderation but can cause gastrointestinal upset if fed excessively.
Are Potato Skins Toxic to Dogs?
Yes — under certain conditions. Raw or green potato skins have high solanine levels. This compound is toxic to dogs and may cause symptoms such as:
- Vomiting
- Diarrhea
- Lethargy
- Loss of appetite
- Abdominal pain
- Cardiac irregularities
While a small amount of cooked, plain potato skin probably won’t harm most dogs, it's generally safer to avoid giving skins altogether, especially when they show green patches or if the potato is sprouting.
Why Cooked Potato Skins May Be Safer
Cooking significantly reduces solanine levels, making boiled or baked potatoes — and their skins — considerably safer. However, even cooked skins should be offered in tiny, infrequent portions to avoid digestive upset or long-term kidney concerns from oxalates.
Portion Guidelines for Potatoes in Dogs
When incorporating potatoes into your dog's diet, adhere to the portion sizes recommended by veterinarians:
- Extra-small dogs (2–20 lbs): 1 teaspoon of cooked, skinless potato
- Small dogs (21–30 lbs): 1–2 teaspoons
- Medium dogs (31–50 lbs): 2–3 teaspoons
- Large dogs (51–90 lbs): 1–2 tablespoons
- Extra-large dogs (91+ lbs): 3–4 tablespoons
These portions should be plain, fully cooked, and free of added salt, butter, cheese, or seasonings.
Symptoms of Solanine Poisoning
If your dog ingests a significant amount of raw potato skin, especially from green or sprouting potatoes, monitor for the following symptoms:
- Vomiting or nausea
- Diarrhea
- Muscle weakness or tremors
- Fatigue
- Confusion or disorientation
- Heart rhythm changes
Should any of these signs arise, contact a veterinarian immediately.
Better Alternatives: Sweet Potatoes
Compared to regular white potatoes, sweet potatoes are safer and more nutritious for dogs. They contain more fiber, vitamins A and C, and fewer risks associated with solanine or oxalates. Always cook them thoroughly and serve them plain.
Feeding Advice and Precautions
- Remove skins before serving potatoes to dogs, or limit skin quantity to very small amounts.
- Never give raw potatoes or their peels.
- Avoid all onion, garlic, chives, salt, butter, or spiced potato dishes.
- Introduce new human foods slowly and watch for any negative reactions.
- Consult your veterinarian before adding potatoes to your dog’s diet — especially if the dog has diabetes, kidney disease, or other health conditions.
Can Potato Skins Be Part of a Dog’s Diet?
While not inherently deadly in small, cooked amounts, potato skins are unnecessary and potentially risky additions to a dog’s meal. Their nutritional value doesn’t outweigh the chance for solanine or oxalate-induced issues. If you want to treat your dog with potatoes, opt for the flesh only — and keep servings minimal.
Conclusion
In summary, potato skins are not ideal treats for dogs. Though not always dangerous, they carry enough risk to warrant caution. Stick with fully cooked, skinless potatoes in moderation, or better yet, try safer vegetables like sweet potatoes or carrots.