Quick Answer
Heat cramps can be recognized by symptoms such as muscle spasms, especially in the abdomen, arms, and legs, occurring within 30 minutes to an hour of heavy sweating and physical activity in high temperatures. People may also experience excessive sweating, pale or flushed skin, rapid pulse, and nausea. Recognizing these symptoms early can help prevent more severe heat-related illnesses.
Identifying the Warning Signs
Heat cramps often develop in people who have been engaging in strenuous activities such as sports, construction work, or hiking in hot and humid environments. When temperatures exceed 90°F (32°C) and humidity is high, the risk of heat cramps increases. Recognize early symptoms of heat cramps by looking for muscle spasms, especially in the abdomen, arms, and legs. These symptoms can occur within 30 minutes to an hour of heavy sweating and physical activity.
Understanding the Risks
People who are most susceptible to heat cramps include those who are new to physical activity, have a history of heat-related illnesses, or are taking certain medications such as diuretics. Other risk factors include a lack of acclimatization to high temperatures, inadequate hydration, and wearing heavy or dark clothing. Prevent heat cramps by staying hydrated, taking regular breaks, and acclimatizing to high temperatures.
Treating Heat Cramps
To treat heat cramps, move the affected person to a cooler location, remove excess clothing, and apply cool compresses to the affected area. Encourage the person to drink cool water or an electrolyte-rich beverage, and provide a snack with electrolytes such as bananas or energy bars. In severe cases, seek medical attention immediately to prevent more severe heat-related illnesses.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.