Article in English: Colds can cause annoying symptoms such as sore throat, mild fatigue, and stuffy nose. Colds are unlikely to lead to severe symptoms such as high fever or crippling headache. Usually people experience cold symptoms 2-3 days after infection: this means that by the time your throat is sore, you already have a cold. However, it is possible to shorten the duration and minimize the symptoms of a cold by knowing immediately when you are symptomatic. Common symptoms of the cold include:  Cough Stuffy nose Runny nose Sore throat Minor headache Minor body aches Low-grade fever Sneezing Watery eyes In most cases, colds clear up on their own or with the help of home remedies. However, sometimes colds can lead to more severe infections that require medical treatment. This is more likely to occur in children than in adults. Be sure to take yourself or your child to the doctor if you notice:  High or persistent fever Dehydration or inability to drink liquids Severe headache Stiff neck (could indicate meningitis) Difficulty breathing Earache or ringing in the ears Vomiting As soon as you feel initial cold symptoms come on, take steps to keep the cold from worsening. Otherwise, you might be stuck with cold symptoms for a week. Treat pre-cold symptoms such as sore throat, tiredness, or runny nose as a sign that you need to begin taking care of yourself. Staying hydrated is one of the keys to minimizing the effects of a cold. Drink eight to ten glasses of hydrating liquid each day. Hydration strengthens the immune system and also minimizes the symptoms of nasal stuffiness and sore throat. If you keep hydrated, your mucus will be thinner and easier to flush out of your system. Avoid alcohol and caffeine. Stick to water and herbal tea if at all possible. Alcohol and caffeine will make it more difficult to stay hydrated. Most adults get one to two colds each year. However, you are much more likely to catch a cold — and to have a cold that lasts — if you get less than eight hours of sleep per night. If you feel a cold coming on, be...

Summary in Vietnamese:
Nhận biết triệu chứng cảm lạnh. Đi khám bác sĩ ngay khi có triệu chứng nghiêm trọng. Hành động nhanh chóng. Cung cấp đủ nước. Ngủ ít nhất 8 tiếng. Thư giãn. Áp dụng chế độ ăn lành mạnh. Ăn phở/mì gà. Không hoạt động quá sức. Cân nhắc việc dùng viên ngậm bổ sung kẽm. Dùng cúc dại Echinacea. Giữ ấm. Bổ sung vitamin C. Bổ sung probiotic.