Verdict: No, dangerous
Limes are dangerous for dogs due to compounds like psoralens and essential oils. Psoralens cause phototoxicity, leading to skin irritation upon sun exposure, while essential oils can cause gastrointestinal upset and central nervous system depression. In severe cases, symptoms can be life-threatening.
Psoralens cause phototoxicity, leading to dermatitis. Essential oils can irritate the gastrointestinal tract and depress the central nervous system.
Psoralens (furocoumarins), essential oils (limonene, linalool)