After years of light treatment with narrowband UVB which works amazingly for me, I am told that I can no longer have this due to the risk of skin cancer and have been prescribed Otezla. To be frank, I am very scared to take this, it has only been through clinical trials and although I know all drugs...

Hi, you don't say whether it is UVB or UVA plus drugs you have been prescribed. I had PUVA (UVA) for some time and the drugs didn't agree with me (one note, if you are having UVA (PUVA) make sure you eat enough beforehand otherwise you will potentially feel very sick), so I was switched to narrowban...