A 39-year-old woman on long-term carbamazepine for trigeminal neuralgia uses DMPA. She asks whether DMPA is affected by carbamazepine. What is the cor...

Question

A 39-year-old woman on long-term carbamazepine for trigeminal neuralgia uses DMPA. She asks whether DMPA is affected by carbamazepine. What is the correct advice?

Accepted Answer

DMPA achieves high serum progestogen levels and its contraceptive effectiveness is not reduced by enzyme-inducing drugs including carbamazepine

Answer

DMPA is affected by carbamazepine; she should switch methods

Answer

She should have DMPA injections more frequently (every 10 weeks)

Answer

She needs a double dose of DMPA

Answer

DMPA is UKMEC 4 with carbamazepine

uk-dfsrh MCQ (SBA): DMPA Unaffected by Carbamazepine

A 39-year-old woman on long-term carbamazepine for trigeminal neuralgia uses DMPA. She asks whether DMPA is affected by carbamazepine. What is the correct advice?