The most common symptoms that are seen with pneumonia are cold, fever with shivering, headache, feeling tired, muscle aches, cough with sputum and difficulty in breathing. In case if you are suffering from more serious symptoms, then seeking medical help is suggested. The symptoms may be shortness of breath, severe chest pain, coughing up blood, severe weakness, more of muscle pains, so much of vomiting that you feel dehydrated, severe headache etc.