Hi, Severe fever, vomiting, and diarrhea can be caused by various factors, including viral or bacterial infections, food poisoning, or other gastrointestinal issues. It s important to consult with a healthcare professional for an accurate diagnosis and appropriate management. Regarding your husband s low body temperature of 95.6°F (35.3°C), a temperature below the normal range (around 98.6°F or 37°C) is considered hypothermia. However, it s important to note that the accuracy of temperature measurements can vary depending on the method used, so it s advisable to retake the temperature to ensure accuracy. Hypothermia can occur due to various reasons, such as prolonged exposure to cold environments, certain medical conditions, or as a response to an infection. If your husband s body temperature remains below the normal range, it would be prudent to seek medical attention promptly, as it may indicate an underlying issue. Additionally, since your husband has experienced vomiting and diarrhea, it s crucial to ensure he stays hydrated. Encourage him to drink plenty of fluids to replenish lost fluids and electrolytes. Oral rehydration solutions or sports drinks that contain electrolytes can be helpful. If his symptoms persist or worsen, it s advisable to consult with a healthcare professional, as they can provide a proper evaluation, diagnose the cause of the symptoms, and recommend appropriate treatment. Please remember that it s important to seek medical advice from a healthcare professional who can evaluate your husband s specific situation and provide personalized guidance. If you require a personalized response, kindly use the Ask A Doctor service and post a follow-up. Take care. Hope I have answered your question. Regards, Dr. Priyanka, General & Family Physician