 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] , especially if you are using an estrogen product. You may need to stop this medication for a time or take special precautions. This medication may cause blotchy, dark areas on your face and skin (melasma). Sunlight may worsen this effect. Limit your time in the sun. Avoid tanning booths and sunlamps. Use sunscreen and wear protective clothing when outdoors. If you are nearsighted or wear contact lenses, you may develop vision problems or trouble wearing your contact lenses. Contact your eye doctor if these problems occur. Children may be more sensitive to the side effects of this drug. It may affect their growth/development. Discuss the possible effects of this medication with the doctor, and monitor your child's growth periodically. This medication should not be used during pregnancy. If you become pregnant or think you may be pregnant, tell your doctor right away. This medication passes into breast milk. It may reduce the quality and amount of breast milk produced. Consult your doctor before breast-feeding.The interactions of Estradiol Valerate Intramuscular: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonpres </s>