Cetirizine (CETIRIZINE-10MG) Tablet is an antihistamine commonly used to relieve allergy symptoms such as a runny nose, sneezing, itchy or watery eyes, and nasal congestion.

Crocin Cold (PARACETAMOL-500MG + PHENYLEPHRINE-10MG + CAFFEINE-32MG) is a combination medicine used to reduce fever, relieve pain, and ease nasal congestion often associated with cold or flu.

Your symptoms of stuffy nose, feverish feeling, and weakness after drinking a chilled beverage following heavy exertion may suggest a common cold or mild viral infection.

Taking Cetirizine can help reduce allergy-related nasal symptoms, while Crocin Cold can help manage fever, pain, and nasal congestion.

If symptoms persist beyond a few days, worsen, or if you develop additional symptoms like difficulty breathing or high fever, it is important to consult a doctor for further evaluation and treatment.

Meanwhile, rest, stay hydrated, and avoid further exposure to cold or irritants to support recovery.To narrow down potential causes, we will need some more information.I understand you're feeling unwell after having a cold drink post-exercise. Please tell me your age and gender.