Indications of Tufnil 200 mg

Tufnil 200 mg is used specifically for relieving the pain of migraine headache and also recommended for use as an analgesic in post-operative pain and fever.

Theropeutic Class

Drugs used for Rheumatoid Arthritis, Non-steroidal Anti-inflammatory Drugs (NSAIDs), Other drugs for migraine

Pharmacology

Tufnil 200 mg inhibits the biosynthesis of prostaglandins, and it also presents inhibitory actions on the prostaglandin receptors. As commonly thought, the mechanism of action of Tufnil 200 mg is based on the major mechanism of NSAIDs which consists of the inhibition of COX-1 and COX-2 pathways to inhibit prostaglandin secretion and action and thus, to exert its anti-inflammatory and pain-blocking action. Nonetheless, some report currently indicates that Tufnil 200 mg inhibits leukotriene B4 chemotaxis of human polymorphonuclear leukocytes leading to an inhibition of even 25percent of the chemotactic response. This activity is a not ligand specific additional anti-inflammatory mechanism of Tufnil 200 mg

Dosage and Administration of Tufnil 200 mg

Acute migraine attacks: Adult: 200 mg when 1st symptoms appear may be repeated once after 1-2 hr. Renal impairment: Dose adjustments may be needed. Severe: Avoid. Mild to moderate pain: Children: A pediatric dosage regimen has not yet been established. Adult: 100-200 mg tid. Renal impairment: Dose adjustments may be needed. Severe: Avoid. It should be taken with food. Take water/ or immediately after meals. Preclinical safety data: The therapeutic index for Tufnil 200 mg is high, and gastrointestinal ulceration and kidney changes have only been seen with oral doses approximately 6-10 times the maximum therapeutic dose recommended for Tufnil 200 mg. Special Precautions: Asthma, bronchospasm, bleeding disorders, cardiovascular diseases, history of peptic ulceration, hypertension, patients with infections, liver, cardiac, or renal function impairment. Increase water intake or dose reduction to reduce dysuria. CHF; elderly; lactation.

Dosage of Tufnil 200 mg

Adult: Acute migraine attacks: 200 mg when symptoms appear may be repeated once after 1-2 hour. Mild to moderate pain: 100-200 mg tid Renal impairment: Dose adjustments may be needed. Severe renal impairment: Avoid. Children: A pediatric dosage regimen has not yet been established.Tufnil 200 mg should be taken with food. Take water during or immediately after meals.

Interaction of Tufnil 200 mg

The rate of absorption of Tufnil 200 mg increases with Metoclopramide and Magnesium hydroxide but decreases with Aluminium hydroxide. Risk of bleeding with anticoagulants and other NSAIDS increases when use with Tufnil 200 mg. It decreases antihypertensive response to loop diuretics, B-blockers and ACE Inhibitors. Co-administration increases plasma concentration of Lithium Methotrexate and cardiac glycosides. It also increases the risk of nephrotoxicity with ACE inhibitors, Ciclosporin, Tacrolimus or diuretics

Contraindications

Active peptic ulcer or bleeding in the gut. Severe heart, kidney or liver failure.

Side Effects of Tufnil 200 mg

Dysuria especially in males, diarrhoea, nausea epigastric pain, vomiting, dyspepsia, erythema, headache, tremor, euphoria, fatigue, pulmonary infiltration and haematuria. Potentially fatal: Blood dyscrasias and hepatitis.

Pregnancy and Lactation

Pregnancy: This medicine is not recommended for use during pregnancy unless considered essential by your doctor. This is particularly important in the first and third trimesters. Not to be given during the third trimester of pregnancy. Lactation: In limited studies so far available, NSAIDs can appear in breast milk in very low concentrations. NSAIDs should, if possible, be avoided when breastfeeding.

Precautions and Warnings

Precaution should be needed for patients with asthma bronchospasm, bleeding disorders, cardiovascular diseases, peptic ulceration, hypertension, liver infection, cardiac or renal function impairment and elderly. Increase water intake or dose reduction to reduce dysuria.

Overdose Effects of Tufnil 200 mg

Symptoms include headache, nausea, vomiting, epigastric pain. gastrointestinal bleeding, diarrhoea excitation, coma, drowsiness dizziness, tinnitus, fainting and convulsions. In cases of significant poisoning, acute renal failure and liver damage are possible. Patients should be treated symptomatically as required.

Storage Conditions

Store in a cool and dry place, away from light Keep out of the reach of children.

Drug Classes

Drugs used for Rheumatoid Arthritis, Non-steroidal Anti-inflammatory Drugs (NSAIDs), Other drugs for migraine

Mode Of Action

Tufnil 200 mg (N-(2-methyl-3-chlorophenyl) anthranilic acid) belongs to the fenamate group and is a potent inhibitor of cyclooxygenase enzyme, thus it inhibits the synthesis of important inflammatory mediators such as thromboxane (TX) B2 and prostaglandin (PG) E2. Prostaglandins are responsible for causing swelling pain and inflammation associated with these conditions. It acts not only by inhibiting prostaglandin synthesis, but it also has direct antagonistic action on its receptors.Pharmacokinetic properties: Absorption Readily absorbed from GI tract. Peak plasma concentration: 60-90 min. Bioavailability 85percent. Distribution: Protein-binding: 99percent Plasma half-life 2 hours. Metabolism: Metabolised in the liver. Tufnil 200 mg undergoes enterohepatic circulation. Excretion: Excreted in urine (90percent) and faces.

Pregnancy

This medicine is not recommended for using during pregnancy unless considered essential by doctor Not to be given during the third trimester of pregnancy. NSAID's can appear in breast milk in very low concentrations NSAID's should, if possible, be avoided when breastfeeding.