I'm sorry to hear you're experiencing these symptoms. Having a cold, cough, pus in the ear, and fever together can indicate an ear infection, possibly otitis media, which may require medical attention.

Here’s what you should consider:

• Ear infection: Pus in the ear along with fever suggests an infection that might need antibiotics or other treatments.
• Cold and cough: These symptoms often accompany viral infections but can sometimes lead to secondary bacterial infections.
• Fever: Indicates your body is fighting an infection.

Important steps:

• Avoid inserting anything into the ear.
• Keep the ear dry.
• Over-the-counter medications like acetaminophen or ibuprofen can help reduce fever and pain.
• Avoid self-medicating with antihistamines like Avil (Pheniramine maleate) unless prescribed, as it mainly treats allergies and may cause drowsiness.

Recommendation:
Please consult an Ear, Nose, and Throat (ENT) specialist promptly to evaluate your ear condition and receive appropriate treatment. If symptoms worsen, such as increased pain, swelling, hearing loss, or high fever, seek urgent medical care immediately.To narrow down potential causes, we will need some more information.I understand you have a cold, cough, pus in your left ear, and a fever. Please tell me your age and gender.