To cut a long story short i saw my cat have some sort of fit, took her to the vets they did a t4 blood work and told me that 1, she has a thyroid problem and she has High blood pressure which could br due to the thyroid problem, they gave me Felimazole 2.5mg to be given twice a day, having 2 other cats and a full time job i was finding it hard to make sure only she took the tablet in her food she