What is Opsumit: Uses, Warnings & Interactions

How to take Opsumit

• Your doctor will tell you how much medicine to use. Do not use more than directed.

• Swallow the tablet whole. Do not crush, break, or chew it.

• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

• Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

• Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

• Your doctor will tell you how much medicine to use. Do not use more than directed.

• Swallow the tablet whole. Do not crush, break, or chew it.

• Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

What to do if you miss a dose of Opsumit

Opsumit contraindications

• This medicine is not right for everyone. Do not use it if you are pregnant or breastfeeding.

Opsumit warnings

• This medicine may affect a man's ability to father a child by decreasing the amount of sperm made. Talk with your doctor before you use this medicine if you plan to have children.

• Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

• It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant. You must use 2 forms of effective birth control to avoid pregnancy while you use this medicine and for at least 1 month after you stop taking the medicine.

• You must have a negative pregnancy test before you start using this medicine and every month during your treatment. Tell your doctor right away if you think you have become pregnant.

• Tell your doctor if you have liver problems, anemia, or heart disease.

• This medicine may cause the following problems:Liver problemsAnemiaFluid retention (body swelling)Pulmonary edema

• Keep all medicine out of the reach of children. Never share your medicine with anyone.

Opsumit interactions

• Some medicines can affect how macitentan works. Tell your doctor if you are using ketoconazole, rifampin, or ritonavir.

• You must have a negative pregnancy test before you start using this medicine and every month during your treatment. Tell your doctor right away if you think you have become pregnant.

• Tell your doctor if you have liver problems or anemia.

• This medicine may cause the following problems:Liver problemsAnemiaPulmonary edema

• This medicine may affect a man's ability to father a child by decreasing the amount of sperm made. Talk with your doctor before you use this medicine if you plan to have children.

• Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

• Keep all medicine out of the reach of children. Never share your medicine with anyone.