Hifenac-P is a brand of fixed-dose combination tablet. Each tablet contains aceclofenac 100 mg (an NSAID) and paracetamol 325 mg (an analgesic and antipyretic). It is sold in India.
What it's used for
Short-term relief of mild to moderate pain with inflammation.
Typical uses are osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, back pain, muscle strain, and dental or post-procedure pain. Product listings such as Apollo Pharmacy give similar uses.
How it works
Aceclofenac inhibits cyclooxygenase, which lowers prostaglandin-mediated pain and inflammation. A rheumatology textbook lists it among the NSAIDs studied in axial spondyloarthritis (Rheumatology, 2-Volume Set, Elsevier 2022). A Yamada's gastroenterology trial used it at 100 mg twice daily.
Paracetamol acts mainly centrally, giving analgesia and antipyresis with little anti-inflammatory effect.
Usual dose
The usual label dose is one tablet twice daily after food, for the shortest time needed. Your doctor sets the actual dose.
The maximum aceclofenac dose is 200 mg/day. Do not take other paracetamol-containing products or other NSAIDs at the same time.
Common side effects
Nausea, heartburn, indigestion, stomach pain, diarrhoea or constipation, and dizziness.
Seek urgent care for black or tarry stools, vomiting blood, yellow eyes or skin, swelling, or breathlessness.
Cautions and avoid if
Peptic ulcer or GI bleeding.
Significant kidney, liver or heart disease, or uncontrolled hypertension.
Aspirin or NSAID-induced asthma or allergy.
Pregnancy, especially the third trimester.
Regular heavy alcohol use, because of the liver risk with paracetamol.
Concurrent anticoagulants, other NSAIDs, steroids, lithium, methotrexate, or ACE inhibitors/diuretics. These can raise bleeding, kidney or toxicity risk.
Older adults need extra care. NSAID-related GI and kidney risks are higher, and the dose should be kept low and short.
Evidence note
A 2024 systematic review and meta-analysis of paracetamol combination therapy for back pain and osteoarthritis is relevant to combinations like this (Drugs, 2024). I only saw its title, not its findings, so I can't say what it concluded for aceclofenac plus paracetamol specifically.
The library textbooks I searched covered aceclofenac only as an NSAID. They had nothing on this brand combination.
Do you want a comparison with other NSAID-paracetamol combinations, or are you asking about a specific situation such as a dose, a drug interaction, or use in pregnancy? This is general information and doesn't replace advice from your doctor or pharmacist.
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