Seadox 100 MG Tablet is a combination drug, which helps in the prevention of pregnancy. Ensure that you take Seadox 100 MG Tablet only if it is prescribed by your doctor. The drug should not be used in case you are allergic to any substance present in it. Avoid taking it if you are expecting, or planning on a pregnancy. Patients who have a history of blood clots and suffer from angina should discuss the uses and risks of the drug before taking it. Women who smoke excessively or are under the age of 35 are also not advised to take Seadox 100 MG Tablet.