When panic hits, it helps to know which coping strategies are backed by research—and which are mostly anecdotal. Trends like “sour candy for anxiety” get a lot of attention, but the science behind them is thin. Here’s a concise look at what the evidence actually supports for calming panic in the moment, and where sensory tricks fit in.

What Has Stronger Evidence

Slowed, controlled breathing. Slowing the breath (e.g., longer exhale than inhale, or structured patterns like box breathing or 4-7-8) is one of the most studied in-the-moment strategies. It can activate the parasympathetic nervous system and reduce physiological arousal. It’s a core component of many evidence-based anxiety and panic protocols (Mayo Clinic; NIMH).

5-4-3-2-1 (and other sensory grounding). Naming 5 things you see, 4 you can touch, 3 you hear, 2 you smell, 1 you taste is a widely recommended grounding technique. It’s used in DBT and anxiety curricula to shift attention to the present and away from catastrophic thoughts. The principle—redirecting focus to concrete sensory input—is well aligned with cognitive and behavioral models of anxiety (Anxiety Canada).

Cognitive reframing and reassurance. Reminding yourself that panic is not dangerous, that symptoms are temporary, and that you’ve gotten through it before is a core element of cognitive-behavioral therapy (CBT) for panic. CBT has strong empirical support for panic disorder (NIMH).

Staying in the situation when it’s safe. Avoiding situations that trigger panic can reinforce the fear. When you’re not in physical danger, staying put and using breathing and grounding until arousal drops helps the brain learn that the situation is manageable—a key part of exposure-based treatment.

Where Do Sensory Tricks Like Sour Candy Fit?

Intense sensory input—sour candy, cold water on the face or wrists, strong smells—can act as a distraction or grounding anchor. The idea is similar to 5-4-3-2-1: give the brain something concrete and present to focus on instead of panic thoughts. So the mechanism is plausible. What’s missing is rigorous research showing that sour candy (or other specific sensory tricks) reliably reduce panic in controlled studies. Most support is anecdotal or from expert commentary, not clinical trials. For more detail, see our critical review of sour candy and panic attacks.

That doesn’t mean “don’t try it.” If sour candy or another sensory trick helps you in the moment and you don’t rely on it to the exclusion of other strategies, it can be one tool among many. The caution is: don’t depend on unvalidated methods instead of evidence-based ones (breathing, grounding, CBT) or professional care when panic is frequent or disabling.

Building a Toolkit That Lasts

The most effective approach is to practice a few evidence-based techniques when you’re calm so they’re easier to use during an attack. Combine in-the-moment strategies (breathing, 5-4-3-2-1, reassurance) with longer-term options like CBT or therapy if panic is recurring. Sensory tricks can sit alongside these—as optional, not as a substitute for what the research supports.