Settle your Shih Tzu in one room first
Confining your Shih Tzu to one interior room is the single most useful first step in a long power cut. A small dog moving through a dark house full of torch beams, opened doors, and people fetching water is a dog who can be stepped on, shut into a cupboard, or slipped past a door without anyone noticing. Choose the room you will mostly live in yourself, set her bed away from draughts at floor level, put down fresh water, and bring one familiar blanket that smells of home. Shih Tzus are companion dogs who take their cues from their people, so staying physically close to you does more for her calm than any gadget.
Match the room to the weather outside
Whether the outage threatens cold or heat decides what comfort means for a Shih Tzu. In a winter cut, a small body loses heat quickly: add a well-fitting sweater, pile bedding up off cold floors, and let her burrow under a blanket against you rather than leaving her alone in a chilly corner. In a summer cut, the risk flips. That short muzzle makes panting less efficient, so move her to the coolest room with tile or hard flooring, offer water little and often, dampen her paws and belly with a cool cloth, and never cover her with heavy blankets. A long coat traps warmth, so parting the hair and letting any available moving air reach the skin helps more than fussing over her.
Handle light, water, and toilet trips deliberately
Darkness changes the safety maths for a dog of this size. Keep a torch at ankle height when you move around so you can see her before your feet find her, and avoid candles at floor level entirely — a curious nose and a flowing coat are a poor match for open flame. Toilet trips outside happen on a short lead, every time, even in a garden she knows well: fences checked by daylight go unchecked in a storm-cut night, and a startled small dog can squeeze through a gap you would never spot by torchlight. If you rely on any powered filtration or a water feature she drinks from, switch her to a plain bowl of fresh water for the duration and refresh it often.
Watch for the signs that mean more than discomfort
Most Shih Tzus will simply sleep through a settled outage, but a few signs in this breed deserve prompt action. Restless, heavy panting that does not ease in the coolest room, drooling, or wobbliness on her feet during hot weather points to a dog struggling with heat — cool her gradually with damp cloths and contact a veterinarian promptly rather than waiting for the power to return. In cold weather, persistent shivering that continues under blankets, unusual lethargy, or refusing all water for many hours is your threshold for seeking veterinary advice by phone. Brachycephalic breathing is the thread through all of it: any noisy, laboured breathing in a Shih Tzu that is new or worsening is never a wait-and-see sign.
Keep identification working while the house is dark
An outage is exactly when a normally indoor dog gets out — doors propped for air, visitors arriving with supplies, routines broken. Check that her collar is on and snug even indoors, and keep your phone charged from a battery pack so you can be reached if someone finds her. Preparation done calmly on a normal day is what carries a small dog through an abnormal night, and keeping her profile and your contact details current in KinsLe means the Lost Pet Alert System can reach nearby members the moment you report her missing.