Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress while you are using this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to use it. Blood and urine tests may be needed to check for unwanted effects.
Do not use Natesto® together with other medicines given into your nose (eg, oxymetazoline), unless your doctor says it is okay.
This medicine should not be used by women. Testosterone may cause birth defects if a pregnant woman comes in contact with the medicine. Make sure your doctor knows if your sexual partner is pregnant. If a pregnancy occurs while you are using this medicine, tell your doctor right away.
This medicine may cause nasal problems. Check with your doctor right away if you have a runny nose, congestion, sneezing, nosebleeds, nasal discomfort, nasal scabbing, or nasal dryness while using this medicine.
This medicine may cause blood clotting problems. Check with your doctor right away if you have a chest pain, trouble breathing, coughing up blood, numbness or weakness in your arm or leg, or on one side of your body, or pain in your lower leg (calf) while using this medicine.
This medicine may increase your risk of having a heart attack or stroke. Tell your doctor right away if you have chest pain that may spread to your arms, jaw, back, or neck, faintness, headache, nausea, vomiting, trouble breathing, trouble seeing or speaking, or unusual sweating.
This medicine may be habit-forming. If you feel that the medicine is not working as well, do not use more than your prescribed dose. Call your doctor for instructions.
Tell your doctor if your female partner or child starts to have male-like body changes while you are using this medicine. Such changes may include hair growth on the face, a deeper voice, or a significant increase in acne. The changes may also include an enlarged penis or clitoris, early development of pubic hair, increased erections or sexual desire, aggressive behavior, and bone problems.
In some cases, this medicine may decrease the amount of sperm men make and affect their ability to have children. If you plan to have children, talk with your doctor before using this medicine.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.
This medicine may cause fluid retention (edema) in some patients. Tell your doctor right away if you have bloating or swelling of the face, arms, hands, lower legs, or feet, tingling of the hands or feet, or unusual weight gain or loss.
This medicine may affect the results of the prostate specific antigen (PSA) test, which may be used to detect prostate cancer. Make sure you tell all of your doctors that you are using this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Portions of this document last updated: April 01, 2024
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