Febrex Plus is a prescription medicine that is available as a Drops, Syrup, Tablet . Secondary and off-label uses of Febrex Plus have also been mentioned below. The optimal dosage of Febrex Plus is largely dependent on the individual's body weight, medical history, gender and age. The condition it has been prescribed for, and the route of administration also determine the right dosage . Detailed information has been provided in the dosage section. While these are the most often observed Febrex ... Buy Febrex Plus Tablet 10'S online & avail upto 25% OFF on prescription medicine. Checkout Febrex Plus Tablet 10'S benefits, dosage , precautions & other information at Netmeds. Order now & get doorstep delivery PAN India. Febrex Plus Tablet is a respiratory medicine mainly used to treat the common cold and allergies. This combination medicine works by blocking the action of histamine and thereby helps reduce symptoms like sneezing, watery eyes, or itchy/watery nose and throat. It may cause common side effects like drowsiness, sleepiness, nausea, fatigue, difficulty sleeping, and headache. View Uses , Benefits, and Price of Febrex Plus Tablet at Apollo Pharmacy. Febrex Plus Tablet is used to treat symptoms of the common cold and allergies like sneezing, runny/stuffy nose, fever, headache, body pains, congestion, or watery eyes. It works by blocking the action of histamine, a substance responsible for causing allergic reactions. It also shrinks the blood vessels in the nasal passage. Thus, it provides relief from congestion and decreases excess mucus production. Some people may experience drowsiness, nervousness, headache, dizziness, insomnia ...