 [ Symptoms ] my doctor prescribed a corticosteroid and an antibiotic i am afraid to take the corticosteroid   what will they do  i was told the corticosteroid would make me really high and i am scared to take it but i am still very sick after 3 days [ Disease ] i do not know the dosage or medical reason you were prescribed corticosteroids but i can say they are safe and very effective in treating inflammation most people do not get high when they take them but it they can interfere with sleep if taken near bedtime if you are reluctant to comply with your doctor is recommendations it would be wise to discuss it with himher