P2Y12 receptor antagonist (antiplatelet)
What to do if you miss a dose of Clopidogrel
Missing a dose of Clopidogrel (Clopidogrel) is common — most people will skip a dose at some point during a course. The right action depends on how long since the missed dose and whether Clopidogrel is taken event-driven or daily at 75mg, 300mg. The wrong action — doubling up — is not recommended.
For daily Clopidogrel
If Clopidogrel is taken daily for a chronic condition, take the missed dose as soon as you remember, unless it is almost time for the next scheduled dose. In that case skip the missed dose and continue normally. According to the prescribing information for Clopidogrel, two doses should never be taken close together to "make up" for a miss.
For event-driven Clopidogrel
If Clopidogrel is used as needed (not on a fixed schedule), there is no "missed dose" in the conventional sense — simply take the planned dose when needed and observe the recommended gap before re-dosing. Clopidogrel itself is inactive; the active metabolite, formed in the liver by CYP2C19 and other cytochromes, irreversibly binds the P2Y12 ADP receptor on platelets.
Frequently asked questions
Should I double the dose if I missed Clopidogrel? ▾
No. Doubling doses of Clopidogrel to compensate is not recommended at any 75mg, 300mg strength and increases the risk of side effects without improving efficacy. Take the next scheduled dose normally.
How many missed doses are too many? ▾
Occasional missed doses of Clopidogrel are usually inconsequential. Repeated missed doses can compromise the therapeutic effect — for chronic conditions like those treated with P2Y12 receptor antagonist (antiplatelet), consistent dosing matters. If adherence is hard, discuss reminders, simpler schedules or alternative formulations with the prescriber.
Products containing Clopidogrel
More on Clopidogrel
- With alcoholClopidogrel and alcohol — is it safe to drink?
- With foodShould Clopidogrel be taken with food?
- Side effectsClopidogrel side effects: common, rare and warning signs
- Dosage guideClopidogrel dosage guide: how much to take and when
- OnsetHow fast does Clopidogrel start working?
- DurationHow long does Clopidogrel last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.