Acenac-P Tablet is a pain-relieving medicine. It is used to reduce pain and inflammation in conditions like rheumatoid arthritis, ankylosing spondylitis, and osteoarthritis. It may also be used to relieve muscle pain, back pain, toothache, or pain in the ear and throat. Acenac-P Tablet should be taken with or without food. You should take it regularly as advised by your doctor. Your doctor may change the dose and time between doses according to your pain level and your needs. Do not take more or use it for a longer duration than recommended by your doctor. Some of the common side effects of this medicine include nausea, vomiting, stomach pain, loss of appetite, heartburn, and diarrhea. If any of these side effects bother you or do not go away with time, you should let your doctor know. Your doctor may help you with ways to reduce or prevent these side effects by prescribing an alternative medicine or adjusting the dose. The medicine may not be suitable for everybody. Before taking it, let your doctor know if you have any problems with your heart, kidneys, liver, or have stomach ulcers. To make sure it is safe for you, let your doctor know about all the other medicines you are taking. Pregnant and breastfeeding mothers should first consult their doctors before using this medicine.