Theraflu - complex drug to relieve symptoms of colds and flu.
The composition includes Terflu paracetamol, pheniramine maleate, phenylephrine hydrochloride and ascorbic acid. Together, they provide anti, analgesic, antipyretic and anti-inflammatory effect.
The mechanism of action of paracetamol is based on breach of the non-selective prostaglandins by blocking the enzyme cyclooxygenase. Paracetamol is also selectively acts on the thermoregulatory center in the brain and changes the threshold of thermal sensitivity, so has antipyretic, analgesic and anti-inflammatory effect negligible.
Pheniramine maleate has anti-allergic effect. By binding to histamine H1 receptors, it eliminates the effects of histamine. Clinically it is manifested in the reduction of local symptoms of respiratory tract infection in the form of swelling of the mucosa, mucus hypersecretion, itchy nose, watery eyes.
Phenylephrine hydrochloride - selective alpha 1-agonists. By binding to the receptors on the blood vessels, it causes a local constriction in their nasal mucosa - vasoconstriction. As a result, eliminates unpleasant symptoms of cold such as swelling and redness, normal nasal secretion, improving the drainage of the paranasal sinuses and the middle ear. Because phenylephrine gidrohlorid- selective sympathomimetic, therapeutic doses, it has no side effects as central nervous system stimulation.
Ascorbic acid is a part of Theraflu ability to strengthen the walls of blood vessels, increase the immunity defenses. It is also an antioxidant and is involved in protecting the cell membranes from free radical damage, which is always present during inflammation.
According to the instructions Terflu produced in powder form in sachets for preparation of the solution inside. In order to make it pleasant to drink, a drug made from the flavors of wild berries, raspberries, cranberries, cinnamon, lemon and apple. Varieties Theraflu also differ in the content of paracetamol in them.
The drug is used as a symptomatic treatment for acute respiratory infections (including the flu). In the opinion of Theraflu can effectively eliminate their symptoms - fever, chills, runny nose, nasal congestion, muscle aches and headache.
According to the instructions Theraflu not be taken in the case of diabetes, alcoholism, portal hypertension, with known hypersensitivity to any of the components, in children under 15 years. Not recommended intake Theraflu during pregnancy, lactation, in conjunction with beta-blockers, tricyclic antidepressants.
Caution should be used this medicine with hypertension, severe liver disease, kidney and blood in prostatic hyperplasia, hyperthyroidism, asthma, tumors of the adrenal cortex.
Theraflu is able to influence the reaction rate and concentration, so while receiving it should refrain from driving cars and other activities that require focused attention.
Instructions for use Theraflu
The drug is taken orally by dissolving the contents of the sachet into a glass of hot water. If desired, you can add sugar. Drink hot prepared solution. The day may be receiving no more than 3 bags. Take Theraflu can be no more than 4 hours. The best effect is if you drink it before going to bed. If within 3 days from the beginning of the use of Theraflu unpleasant symptoms decrease, you should see a doctor for further diagnosis and possible change of the drug.
Side effects Theraflu
In the opinion of Theraflu rarely causes allergic reactions, sleep disturbances, nausea, vomiting, palpitations, high blood pressure, urinary retention. If you take the drug for a long time, it is toxic to the liver, kidneys and blood cells.