The opposite of making one sick is making one feel better or comfortable. Some antonyms for making one sick could be healing, rejuvenating, soothing, reviving, refreshing, invigorating, comforting, calming, nurturing, or restoring. These are all positive and uplifting words that imply a feeling of relief rather than discomfort. Whether it is a good meal, a warm bath, or a relaxing massage, there are many ways to counteract the negative effects of feeling sick. Practicing self-care and engaging in activities that promote relaxation or joy can also help to alleviate feelings of sickness and boost overall well-being.