Disclaimer: For informational purposes only. This does not constitute medical advice. Always consult a qualified healthcare professional before taking any medication.
Motrin IB Dosage for Adults
Dosage information for Motrin IB and Motrin PM for adults aged 12 and older. Motrin IB contains 200 mg of ibuprofen per tablet.
Written by Mottalib Radif, MBA INSEAD, Finance Enthusiast
Motrin Adult Dosage Chart
Motrin IB (200 mg ibuprofen)
| Age/Weight | Dose | Frequency | Max Daily | Notes |
|---|---|---|---|---|
| Mild pain / Fever | 200 mg (1 tablet) | Every 4-6 hours | 1,200 mg (6 tablets) | — |
| Moderate pain | 400 mg (2 tablets) | Every 4-6 hours | 1,200 mg (6 tablets) | — |
| Menstrual cramps | 400 mg (2 tablets) | Every 4-6 hours | 1,200 mg | Start dosing at the onset of cramps. |
| Maximum OTC dose | 400 mg | 3 doses per day | 1,200 mg | 6 tablets total per 24-hour period. |
- Dose
- 200 mg (1 tablet)
- Frequency
- Every 4-6 hours
- Max Daily
- 1,200 mg (6 tablets)
- Dose
- 400 mg (2 tablets)
- Frequency
- Every 4-6 hours
- Max Daily
- 1,200 mg (6 tablets)
- Dose
- 400 mg (2 tablets)
- Frequency
- Every 4-6 hours
- Max Daily
- 1,200 mg
Start dosing at the onset of cramps.
- Dose
- 400 mg
- Frequency
- 3 doses per day
- Max Daily
- 1,200 mg
6 tablets total per 24-hour period.
Disclaimer: For informational purposes only. This does not constitute medical advice. Always consult a qualified healthcare professional before taking any medication.
Motrin PM (200 mg ibuprofen + 38 mg diphenhydramine per caplet)
For nighttime pain relief when pain interferes with sleep.
| Age/Weight | Dose | Frequency | Max Daily | Notes |
|---|---|---|---|---|
| Standard PM dose | 2 caplets (400 mg ibuprofen + 76 mg diphenhydramine) | Once at bedtime | 2 caplets | Nighttime use only. Causes drowsiness. |
| Maximum PM dose | 2 caplets | Once nightly | 2 caplets | Do not use nightly for more than 2 weeks without medical advice. |
- Dose
- 2 caplets (400 mg ibuprofen + 76 mg diphenhydramine)
- Frequency
- Once at bedtime
- Max Daily
- 2 caplets
Nighttime use only. Causes drowsiness.
- Dose
- 2 caplets
- Frequency
- Once nightly
- Max Daily
- 2 caplets
Do not use nightly for more than 2 weeks without medical advice.
Disclaimer: For informational purposes only. This does not constitute medical advice. Always consult a qualified healthcare professional before taking any medication.
Important Adult Dosage Warnings
Motrin Adult Dosage Precautions
- Take Motrin IB with food or water to reduce stomach irritation.
- Do not combine Motrin IB and Motrin PM without accounting for total ibuprofen intake.
- Motrin PM causes drowsiness. Do not drive or operate machinery.
- Do not exceed 1,200 mg of ibuprofen per day from all sources combined.
- Seek medical attention if pain lasts more than 10 days or fever more than 3 days.
For a complete list of warnings and safety information, see the Motrin dosage guide warnings section.
Adult Dosage FAQ
Sources & References
- 1.Motrin Official WebsiteAccessed 2025-01-15
- 2.FDA - Ibuprofen Drug Facts LabelAccessed 2025-01-15
Other Motrin Dosage Guides
Motrin Complete Dosage Guide
Return to the full motrin overview with all dosing information, side effects, and interactions