Can the use of PT-Rich 4mg/0.5mg Injection cause contraceptive failure?
Yes, the use of PT-Rich 4mg/0.5mg Injection can lower the efficacy of birth control pills. Consult your doctor and seek advice regarding the use of other methods of contraception (e.g., condom, diaphragm, spermicide) while you are taking PT-Rich 4mg/0.5mg Injection.