Predictors of phosphodiesterase type 5 Inhibitors (PDE5I)-discontinuation - Is a previous PDE5I-exposure at first clinical evaluation related with a higher PDE5I-drop-out risk?
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Predictors of phosphodiesterase type 5 Inhibitors (PDE5I)-discontinuation - Is a previous PDE5I-exposure at first clinical evaluation related with a higher PDE5I-drop-out risk? ### Output: 