If you are taking regular prescribed medication, this could react with the study drugs. Therefore it will not be possible to place you on a study at that time. If your medication is short term, irregular or infrequent,(e.g. hayfever tablets) then you may still apply. . If you are over 60 some medications are allowed.
We can still proceed if your reaction was a rash, nausea or vomiting. However if you have suffered from the following reactions you will be unsuitable;