Pneumonia is a bacterial, fungal or viral infection of lungs that cause the alveoli to fill up with fluid thereby causing difficulty in breathing. The primary cause of pneumonia is a weak immune system and hence infants up to 2 years of age and elders above 65 years of age fall under high risk category of pneumonia. Other common risk factors of pneumonia are problems in swallowing, bedridden people, recent stroke, certain medications that weaken immune system, excessive smoking or alcohol intake, and certain diseases like diabetes, asthma, etc. Common symptoms include fever, chest pain, vomiting, nausea, rapid heartbeat, chills and muscle aches. Here are some helpful herbal remedies to fight pneumonia and its related symptoms.