11. Heat and cold conditions

What this is made of

• 11(a). Dehydration and over-hydration
• 11(b). Heat cramps and muscle pain after exertion
• 11(c). Heat exhaustion
• 11(d). Heat stroke
• 11(e). Chest pain in the cold
• 11(f). Hypothermia

Where this step comes from

1. First Aid Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-01), Requirement 11