Modula 5 mg (tadalafil 5 mg) from these Indian medicine-information websites. It is used for erectile dysfunction (ED) and symptoms of an enlarged prostate. 1mg +1 Tata 1mg – Modula 5 mg : Uses, side effects, precautions and product details. PharmEasy  Modula 5 mg Medical description, dosage guidance and manufacturer information. Apollo Pharmacy – Modula 5 mg : Product composition and safety information. Important safety note: Modula 5 mg contains tadalafil. Do not take it with nitrate medicines, such as nitroglycerin, because this combination can cause a dangerous drop in blood pressure. Use it under medical guidance.