Taking Tadalafil every other day?

Patient: Hello,I am a 60 year old male.I have been prescribed Tadalafil (Cialis) 5mg daily and would like to know if I could instead take these every other day instead of daily, or indeed if I could actually split the pills in two?I take 5mg Ramapril & 5mg Amlodipine for BP daily – I also take 20mg Crestor and 75mg Plavix daily.Thank you.

Symptoms: ED and BPH