Triphasil Interactions Explained
The following sections explain in detail the potentially negative interactions that can occur when
Triphasil is combined with any of the drugs listed above. It is important to note that if a backup method of contraception is necessary, it is sometimes advised to use the backup method for quite awhile (often an entire cycle), depending on your particular situation.
Aminoglutethimide (Cytadren)
Taking Triphasil and aminoglutethimide together increases the risk of pregnancy. Do not use these medications together without checking with your healthcare provider first. You may need to use a backup method of contraception (such as condoms).
Antibiotics
There have been reports of accidental pregnancy occurring in women taking
birth control pills together with certain antibiotics. It is still uncertain how significant the interaction between birth control pills and antibiotics may be. Some antibiotics are more likely to cause problems than others. Ask your healthcare provider if you need a backup method of contraception any time you take an antibiotic.
Aprepitant (Emend)
Aprepitant may make Triphasil less effective, perhaps increasing your chance of pregnancy. Talk with your healthcare provider before using these medications together. You may need to use a backup method of contraception. Aprepitant is commonly used by people undergoing chemotherapy, and it is usually very important for women having chemotherapy to avoid pregnancy.
Barbiturate Medications
Barbiturates may cause your body to metabolize the hormones in Triphasil too quickly, increasing your risk of pregnancy. Ask your healthcare provider if you should use a different method of contraception while taking a barbiturate.
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