Answer:
The answer for this question will be "unfavorable"
Explanation:
Here, the word adverse means unfavorable. This is because of the fact that if the medication is not taken properly it is likely to affect the health of the living being and may lead to the development of unfavorable symptoms or drastic health complications such as fever and headache.
The prefix of advocate is -ad
-ad means, denoting motion or direction to, reduction or change into, addition, increase, or intensification
Hope it helped
