Do not take Imatib 100 if you are allergic to Imatib 100 or any of its ingredients. Always take with food and a full glass of water to prevent nausea. While taking Imatib 100 you may become more sensitive to the sun, so it is important to protect your skin with a high sun protection factor. Regular blood tests are needed to monitor liver function and blood cells in your blood while taking Imatib 100. Imatib 100 can cause swelling and fluid retention, so if you have unexpected rapid weight gain, see your doctor.