Here’s a clear explanation of the medications suggested for your symptoms:

1. Calpol (Paracetamol 650mg)

   • Purpose: Used to reduce fever and relieve mild to moderate pain such as headaches or body aches.
   • Relevance: Helps manage your fever and general discomfort associated with your cold.

2. Colimex (Dicyclomine 10mg + Simethicone 40mg)

   • Purpose: Dicyclomine relieves stomach cramps and spasms, while Simethicone reduces gas and bloating.
   • Relevance: Addresses your stomachache and digestive discomfort.

3. Otrivin (Oxymetazoline 0.05% nasal drops)

   • Purpose: A nasal decongestant that reduces nasal swelling and congestion.
   • Relevance: Eases nasal blockage and sneezing related to your cold.

4. Usage and Precautions

   • Follow the prescribed dosage and duration for each medication carefully.
   • Avoid using Otrivin nasal drops for more than 3 consecutive days to prevent rebound congestion (worsening nasal blockage).
   • Inform your doctor if you have allergies or other medical conditions before using these medicines.

5. When to Seek Medical Advice

   • If your symptoms worsen or persist beyond a few days.
   • If you experience side effects such as rash, difficulty breathing, or severe stomach pain.

6. Additional Supportive Measures

   • Rest well, stay hydrated, and maintain good hygiene to support your recovery.

Please consult a general physician or an ear, nose, and throat (ENT) specialist for personalized advice and proper management of your symptoms. If you experience any severe symptoms, seek immediate medical attention.To narrow down potential causes, we will need some more information.Please tell me your age and gender.