Lenvat 4 mg Capsule Monitoring and Reporting: It is important to keep your doctor informed when using Lenvat 4 mg Capsules. A vital part of the treatment process is keeping track of your progress, reporting any adverse effects, and getting the necessary tests for thyroid, kidney, and liver function. You can guarantee the safe and efficient use of this drug for the treatment of thyroid cancer by keeping lines of communication open and listening to expert advice.