Inflammatory illnesses like an infection cause fever, which denotes that something wrong is happening within the body. It calls for an immediate consultation with the doctor.

Hyperthyroidism is a thyroid disorder when the body produces excess thyroid hormones. Feverish symptoms need a quick doctor's check-up.

Spending extended periods doing intense physical activity under the direct sun's heat and humid weather causes heat stress.

Wearing synthetic or tight-fitting clothes in summer traps moisture, not allowing it to breathe easily. Lack of air movements causes suffocation, leading to high body temperature.

Eating oily, fried, or spicy foods, having high-protein food during summers, or drinking alcohol with caffeine causes heat stress.

Certain drugs like opioids, antibiotics, or antihistamines also raise the body temperature.

Dehydration reduces the body's ability to sweat and maintain normal body temperature while inhibiting it from cooling down.