Nairobi, Oct. 6 -- On January 3, 2013 a young mother took her one-and-a-half-years old daughter to Gertrude's Hospital Muthaiga following a series of seizures.

The girl had been diagnosed with developmental delay seven months after being born, and was also found to have brain damage. She was given medicine that she responded well to.

But after her first birthday, she started suffering seizures.

When the girl and her mother visited Gertrude's Muthaiga in 2013 to treat the seizures, they were attended to by respected paediatric neurologist Donald Oyatsi, and they had at least 10 other review sessions in the next six months.

Dr Oyatsi first prescribed Tegretol, which was intended to manage the seizures. When that did not work, the doctor a...