Ibuprofen

The selected tablets are labeled for rheumatoid arthritis, osteoarthritis, mild-to-moderate pain, and primary dysmenorrhea. Pediatric tablet safety and efficacy have not been established. The selected prescription suspension is labeled for fever and mild-to-moderate pain in children aged 6 months up to 2 years, juvenile arthritis, and adult arthritis or primary dysmenorrhea.

Advil 200 mg temporarily treats minor aches and pains and reduces fever in adults and children aged at least 12 years. Selected OTC pediatric liquids temporarily treat fever and minor pain with their own age/weight charts. These labels are distinct from prescription anti-inflammatory dosing.

This profile covers the cited single-ingredient oral products. Combination cold/pain products, topical or non-U.S. products, and IV ibuprofen require their own labels and are outside these dose tables.

For age 12 years or older, take 200 mg every 4–6 hours while symptoms persist; 400 mg may be used if 200 mg is inadequate. Do not exceed 1,200 mg in 24 hours unless directed by a doctor. Children under 12 years need advice. Seek advice if pain lasts more than 10 days or fever more than 3 days, or either worsens. Take with food or milk if stomach upset occurs.

Do not exceed 3,200 mg/day under the selected prescription label. This is not an OTC limit or a target dose. Analgesic trials found no greater pain benefit above 400 mg per dose. If gastrointestinal complaints occur, take with food or milk.

Use weight when possible; otherwise use age. Shake well, use only the enclosed dosing cup, repeat every 6–8 hours if needed, and give no more than four doses daily. This selected chart is not a prescription mg/kg regimen.

This concentration is twice that of 100 mg/5 mL children’s liquid. Use weight if possible, shake well, and measure only with the provided device. Give slowly toward the inner cheek. Repeat every 6–8 hours if needed, no more than four times daily. Do not transfer dosing devices or volumes between concentrations.

For fever in children aged 6 months up to 2 years, the selected label uses 5 mg/kg when baseline temperature is below 102.5°F, or 10 mg/kg at 102.5°F or above; effect generally lasts 6–8 hours. For pain in this age range, use 10 mg/kg every 6–8 hours. Maximum is 40 mg/kg/day.

For juvenile arthritis, the labeled regimen is 30–40 mg/kg/day divided into three or four doses; milder disease may respond to 20 mg/kg/day. Titrate to the smallest effective dose under specialist direction rather than using an OTC fever chart. Above 30 mg/kg/day or with prior NSAID liver-test abnormalities, follow closely for liver dysfunction.

The selected labels do not provide a numeric renal or hepatic dose-adjustment table. Advanced renal disease is a reason to avoid treatment unless a clinician determines it necessary and monitors closely. Ask before giving pediatric OTC ibuprofen if the child is not drinking or has lost substantial fluid from vomiting or diarrhea.

Do not use with ibuprofen hypersensitivity, prior aspirin/NSAID-triggered asthma, urticaria or allergic-type reactions, or in CABG surgery. The selected label’s skin warning also prohibits use after previous serious NSAID skin reactions. OTC labels prohibit use right before or after heart surgery and after allergy to a pain reliever/fever reducer.

The selected prescription tablet and suspension labels carry boxed warnings for serious cardiovascular thrombotic events, including myocardial infarction and stroke, and gastrointestinal bleeding, ulceration, or perforation. These can be fatal. NSAIDs are contraindicated in CABG surgery. OTC Drug Facts communicates related risks without a prescription boxed-warning format.

Common reactions include nausea, dyspepsia or abdominal pain, diarrhea or constipation, dizziness, headache, rash, edema, and tinnitus. Serious reactions include the cardiovascular, bleeding, renal, hepatic, and hypersensitivity events above. Event frequencies vary by study and product; do not compare label rates as if from one population.

The current selected prescription labels describe reduced aspirin antiplatelet effect, particularly when ibuprofen precedes aspirin. A studied once-daily 400 mg ibuprofen regimen avoided this interaction when immediate-release 81 mg aspirin was given at least 2 hours earlier. This finding cannot be extended to enteric-coated aspirin or a universal repeated-dose schedule. Combination also increases GI risk; obtain a clinician’s plan and consider alternatives.

An older FDA paper gives single-dose 400 mg advice of at least 8 hours before or at least 30 minutes after immediate-release 81 mg aspirin. The current product labels use the 2-hour finding; do not treat the older interval as guaranteed protection for every regimen.

Ask a clinician or pharmacist before using ibuprofen with prescription medicines or aspirin for heart/stroke prevention. Check cold, flu, sleep, and pain products for hidden ibuprofen or another NSAID.

Do not self-treat with ibuprofen at 20 weeks or later unless specifically directed. If necessary between about 20 and 30 weeks, use the lowest effective dose for the shortest duration; consider ultrasound monitoring if treatment exceeds 48 hours and stop if oligohydramnios occurs. Avoid at about 30 weeks and later because of ductus-closure risk. Evidence about other early-pregnancy risks is inconclusive.

The selected older prescription label language is cautious about nursing exposure. Current NIH LactMed considers ibuprofen a preferred analgesic/anti-inflammatory during breastfeeding because milk levels are very low and its half-life is short. Review maternal contraindications and the infant’s circumstances; this does not remove the mother’s NSAID risks.

The selected adult prescription tablets do not establish pediatric use. Pediatric liquids have their own indicated ages and doses; infants under 6 months need clinician advice for the selected OTC product. Older adults have greater gastrointestinal and renal vulnerability and warrant careful dose selection and monitoring.

Advanced kidney disease is not covered by a safe dose algorithm in these selected labels. Liver dysfunction can increase renal vulnerability, and new or worsening hepatic abnormalities require evaluation and possible discontinuation. Do not assume that a lower OTC dose makes use safe in these conditions.

Ibuprofen is an NSAID whose effects are related to inhibition of prostaglandin synthesis. Platelet inhibition is reversible and shorter-lived than aspirin’s. The active S-enantiomer contributes clinical activity after administration of racemic ibuprofen.

Oral peak

Usually about 1–2 hours

Protein binding

Highly bound; greater than 99% at studied concentrations

Half-life

About 2 hours

Elimination

Metabolized and predominantly eliminated in urine as metabolites

Food slows absorption without substantially reducing its extent. Concentrated infant and children’s suspensions contain different mg per mL; pharmacologic similarity does not make their volumes interchangeable.

Monitor blood pressure, fluid retention, kidney function, and bleeding symptoms according to risk and duration. Long-term treatment requires periodic CBC and chemistry testing. Investigate persistent abnormal liver tests, anemia symptoms, or visual complaints. Juvenile-arthritis patients on higher doses need the suspension label’s liver monitoring precautions.

Use one NSAID regimen and the smallest effective dose. Seek emergency care for chest pain, stroke symptoms, breathing difficulty, or severe allergy. Stop and promptly assess bleeding signs or rash. For pediatric OTC use, seek advice if there is no relief in 24 hours or pain/fever worsens or lasts over 3 days. Shake and measure with the selected device; check hydration first.

Get medical or poison-center advice immediately after excess dosing. Serious poisoning may cause impaired consciousness, breathing problems, seizures, metabolic disturbances, and renal injury. Management is clinician-directed; seek advice immediately rather than attempting home treatment.

Selected product

Ibuprofen 400 mg tablets · Time-Cap Labs, Inc.

Appearance

White to off-white, round, biconvex, film-coated

Imprint

121 on one side; other side plain

Example NDC

25000-121-03 · bottle of 30

Selected prescription tablets: 400, 600, and 800 mg. Selected OTC adult tablets/caplets: 200 mg. Prescription and children’s suspensions: 100 mg/5 mL (20 mg/mL). Selected infant concentrate: 50 mg/1.25 mL (40 mg/mL). IV ibuprofen and combination products are outside this profile.

Selected prescription tablets and liquids are stored at 20–25°C in the labeled container. Advil adult products also warn against excessive heat above 40°C. Shake suspensions well before dosing and use the supplied OTC device. Replace the original pediatric cap to preserve child resistance; do not use products with broken required seals.