Skin creams. My son was given a prescription for cream and it ended up having nuts in it. Actually I didn't even look to see what the ingredients were my son looked. My son was like is the doctor trying to kill me.
They had his allergies written down. Even the pharmacist had it.
Even over the counter creams, shampoo's.

Son prescribed ear drops. picked up prescription and was just reading the ingredients when doctor rang up in a panic and said 'NO, dont use'! We didnt use them as I had already spotted the latin word for peanut oil, but my poor doc had a big panic attack!