Final answer:
The medication that is not an acceptable treatment for herpes keratitis is the corticosteroid Prednisolone 1% eye drops, as it may worsen the infection. Instead, antiviral medications like ganciclovir, trifluridine, and acyclovir are used.
Step-by-step explanation:
The question concerns the medication treatment for herpes keratitis, an eye infection caused by the herpes simplex virus. Among the options provided, the one that is not an acceptable form of treatment for herpes keratitis is d. Prednisolone 1% (Pred Forte®) eye drops for 5 days. This is because corticosteroids like prednisolone are generally controversial in the management of viral infections due to their immune-suppressing effects, which can potentially worsen the infection. Instead, the standard treatment for herpes keratitis typically involves antiviral medications such as ganciclovir ophthalmic gel, trifluridine drops, and oral acyclovir, which help to keep the virus in its dormant phase, reducing symptoms and preventing progression of the disease.