Driving on Plan B: is it safe?
Driving safely while taking Plan B (Levonorgestrel) depends on whether the medication causes drowsiness, dizziness, blurred vision or impaired reaction time at 1.5mg. For most adults, Plan B is compatible with driving once a stable response is established, but the first dose and dose changes deserve extra caution.
Side effects that affect driving
Among the side effects of Levonorgestrel, dizziness, sleepiness, blurred vision and slowed reactions are the ones most relevant for driving. Most users do not develop these at 1.5mg; those who do typically notice the effect within hours of dosing and during the first weeks of therapy.
Practical guidance
According to the prescribing information for Levonorgestrel, until you know how you respond to Plan B, you should avoid driving. After several doses with no relevant side effects, normal driving is usually safe. Plan B's primary mechanism is delaying or preventing ovulation when taken before the LH surge. Combining Plan B with alcohol or sedating medications adds risk and is not advised before driving.
Frequently asked questions
Can I drive after taking Plan B? ▾
After several doses without dizziness, blurred vision or sedation, most users drive normally on Plan B at 1.5mg. The first dose and any dose increase deserve a precautionary period without driving until tolerance is confirmed.
Is Plan B legal to drive on? ▾
In most jurisdictions, prescribed Plan B taken as directed is legal to drive on. Local drug-driving laws and the active ingredient Levonorgestrel should be checked. Driving while impaired by any medication is illegal regardless of prescription status.
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.