Pinocytosis also works as phagocytosis; the only difference is that phagocytosis is specific in the substances it transports. Phagocytosis engulfs whole particles, which are later broken down by enzymes, such as cathepsins, and absorbed into the cells.
Antidepressants - Prozac, Zoloft, Paxil, Celexa and Luvox. Chemotherapy Medications - Cisplatin, Vincristine many doctors are now aware of the high incidence of hearing loss associated with these medications and are taking steps to minimize the effects.
Insomnia is one of the side effects of Prozac, which you should have been told about. I have no idea what adding 100-200 mg of diphenhydramine might do but again, you should have checked with your doctor before taking it. It's possible it could be contraindicated.