Nothing which comes out of the Imam like bladder and such is Dirty and Malicious or impure, on the contrast everything they produce is Clean and pure like Misk, In Fact if anyone drinks their Urine or Bladder or blood, Hell will be forbidden for him and he must enter heaven. Source: Anwar al Wilayah, Ayatullah al Akhound Mulla Zain al Abedeen al Kalbaykanee, 1409 hijri-Page 440. this is not Ghulu BTW only the "evil wahhabies" see this as ghulu, Salam Aleykum