Drug dosesFree in the app
Early pregnancy & gynae drugs
Ectopic, miscarriage, emergency contraception, heavy bleeding.
Source: NICE NG126 · CoSRH · NG88MethotrexateEctopic50 mg/m² IM single dose (usual UK protocol).⚠ hCG days 4 & 7 (needs ≥15% fall). No folate, NSAIDs, alcohol.
Mifepristone + misoprostolMissed miscarriageMifepristone 200 mg oral, then misoprostol 800 micrograms 48 h later.
MisoprostolIncomplete miscarriage600 micrograms single dose (800 acceptable).
Progesterone (vaginal)Threatened miscarriage400 mg twice daily to 16 weeks (bleeding + previous miscarriage).
LevonorgestrelEC1.5 mg oral within 72 h; 3 mg if BMI >26 or >70 kg.
UlipristalEC30 mg oral within 120 h.⚠ Wait 5 days before starting hormones.
Tranexamic acidHeavy periods1 g three times daily for up to 4 days.⚠ Not with active thromboembolism.
Mefenamic acidHeavy periods500 mg three times daily during menses.
NorethisteroneStop bleeding5 mg three times daily (e.g. 10 days).⚠ VTE risk.
A summary for trained clinicians. Always check the full guideline, the patient in front of you and your hospital's protocol. Spotted an error? Tell us.