Plan B for men: indications and considerations
Some medications are licensed only for men, others have male-specific dosing patterns, and many are used across both sexes. This page covers how Plan B (Levonorgestrel) is used in men, in the context of its Hormones and Birth Control indications and 1.5mg dosing pattern.
Plan B in men: typical use
Plan B contains Levonorgestrel and is used for Plan B is indicated for emergency contraception after unprotected intercourse or known/suspected contraceptive failure, in women of reproductive age.. The 1.5mg dose options reflect typical adult male dosing where applicable. Older men, men with cardiovascular disease, and men on multiple chronic medications often need adjusted doses or monitoring.
Male-specific considerations
Important considerations include cardiovascular history, prostate health, fertility plans where relevant, and interactions with common male-prescribed medications such as alpha-blockers and certain antihypertensives. Plan B's primary mechanism is delaying or preventing ovulation when taken before the LH surge. Most prescribers also screen for nitrate use, which is a hard contraindication for several drugs in this class.
Frequently asked questions
Is Plan B safe for men? ▾
For most adult men without cardiovascular disease, severe liver or kidney impairment, or other significant comorbidity, Plan B at standard 1.5mg is well tolerated. The prescribing information for Levonorgestrel lists specific contraindications that should be reviewed before starting.
Does Plan B affect testosterone or fertility? ▾
Effects on testosterone or fertility depend on the active ingredient. Some medications in Hormones and Birth Control have neutral effects, others can affect hormone levels or sperm parameters. Men with fertility plans should discuss Plan B with the prescriber before starting.
More on Plan B
- With alcoholPlan B and alcohol — is it safe to drink?
- With foodShould Plan B be taken with food?
- Side effectsPlan B side effects: common, rare and warning signs
- Dosage guidePlan B dosage guide: how much to take and when
- OnsetHow fast does Plan B start working?
- DurationHow long does Plan B last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.