Tadadel®Chewable20mg is a brand of Tadalafil 20 mg manufactured by Delta Enterprises. Tadadel®Chewable20 mg is approved by Indian Food and Drug Administration for the treatment of Erectile Dysfunction or Impotence. Tadadel®Chewable20 mg is approved by the Drug Controller General of India. Tadadel®Chewable20 mg is also approved by the Central Drugs Standard Control Organization which is the national regulatory body for Indian Pharmaceuticals. Tadadel®Chewable20 mg pills are oval shaped. Tadadel®Chewable20 mg pills are white colored. Tadadel ®Chewable 20 mg tablets has a very delicious Vanilla flavor. Tadadel®Chewable20 mg tablets is available in an attractive packaging of a box of hundred tablets and pack of ten pills. Tadadel®Chewable20 mg is manufactured in World Health Organizations Good Manufacturing Practices certified manufacturing facility in Haridwar in Uttarkhand. This WHO GMP certificate is issued by Uttarakhand Food and Drug Administration in India. Tadadel®Chewable20mg has a molecular formula of C22H19N3O4. Tadadel®Chewable20mg has a molecular weight of 389. 411 g/mol. Tadadel®Chewable20mg is a derivative of carboline and a PHOSPHODIESTERASE 5 INHIBITOR. Tadadel®Chewable20mg is a derivative of carboline with vasodilatory function. Tadadel®Chewable20 mg is an annulated 2. 5-diketopiperazine. Tadadel®Chewable20 mg is also a 1, 2, 3, 4-tetrahydro-β-carboline. Tadadel®Chewable20 mg can also be synthesized from (D)-tryptophan methyl ester and Piperonal. This process is followed by condensations with methylamine and chloroacetyl chloride thereby completing the diketopiperazine ring. The dosage of Tadadel®Chewable20 mg is thirty minutes to four hours before having sexual intercourse. Don't take Tadadel®Chewable 20 mg with nitrates. Tadadel®Chewable20 mg cannot be taken with alpha blockers. Tadadel®Chewable20mg cannot be taken with antibiotics, antifungal formulations, Bosentan, Imatinib, St John's wort, Boceprevir, Carbamazepine, Fosphenytoin, Isoniazid, Cimetidine, blood pressure medications, HIV/AIDS medications, Grapefruit juice and high fat meal. Tadadel®Chewable20 mg is very well tolerated with very less serious side effects. The side effects of Tadadel®Chewable20 mg includes nasal congestion, headache, flushing, nausea, dyspepsia, diarrhea and visual disturbance. Stop taking Tadadel®Chewable20 mg if there is a prolonged erection lasting more than 6 hours. Tadadel®Chewable20 mg should be stored in a cool and dry place and away from Sunlight. Tadadel®Chewable20 mg should be kept away from children's and pets. Tadadel®Chewable20 mg is manufactured in WHO GMP certified manufacturing facilities in State Infrastructure and Industrial Development Corporation Ltd of Uttarakhand. This plant is ISO 9001:2008, ISO 14001:2004 & ISO 17025:2005 certified.