Warm weather can change an ordinary outing into a careful calculation when you live with POTS. Heat may worsen symptoms, and a short queue in the sun can feel very different from a short queue indoors. Wanting a cooler place to sit is a practical access need.
Plan for a place to pause
Before going out, consider where you could sit, cool down, or leave early. An indoor alternative may be the best option. Cooler times of day can help with planning, but they do not guarantee that an activity will be tolerable.
Light clothing and a portable fan may be useful if they suit you. Follow the instructions for cooling products and protect your skin rather than putting ice directly against it. Keep your usual care supplies accessible without carrying more than you can comfortably manage.
Follow your own care plan
Fluid and salt recommendations should come from your healthcare team, especially when other conditions or medicines affect what is appropriate. More is not automatically better. If symptoms begin, move to a safer, cooler place and get help when needed rather than trying to finish the outing first.
It can be disappointing to change a summer plan. A friend can help by offering an air-conditioned visit or accepting an early departure without making it a debate. You deserve to participate in ways that respect your limits, including choosing to stay home when that is the right option for you.
Further reading: Johns Hopkins Medicine: POTS.