Erinac P Tablet is a pain relieving medication It is utilized to reduce pain and inflammation in conditions like rheumatoid arthritis ankylosing spondylitis and osteoarthritis It may also be utilized to relieve muscle pain back pain toothache or pain in the ear and throat Erinac 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 medication 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 medication or adjusting the dose