Tazzle 20 mg is a medicine used to treat erectile dysfunction (ED), provided it is the tadalafil-containing formulation. Tadalafil helps increase blood flow to the ***** during ***** stimulation, making it easier to achieve and maintain an erection. Active ingredient: Tadalafil 20 mg, for the standard ED formulation. Onset: Usually 30–60 minutes, sometimes longer. Duration: Can help with erections for up to 36 hours; this does not mean an erection lasts continuously. ***** stimulation: Still required. Tazzle 20 mg is marketed by Dr. Reddy’s Laboratories and contains tadalafil 20 mg. Apollo Pharmacy +1 Safety points The usual maximum on-demand dose for ED is 20 mg in 24 hours; use it only as prescribed. Never combine it with Manforce, Viagra, Fildena or other ED medicines. Do not take it with nitrate medicines or recreational poppers, as blood pressure can fall dangerously. Common side effects include headache, indigestion, back pain and flushing.