Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Stop taking this drug and get emergency help right away if any of the following side effects was happen
Rare For all nonsteroidal anti-inflammatory drugs
Fainting; fast or irregular breathing; fast, irregular heartbeat or pulse; hive-like swellings - large on face, eyelids, mouth, lips, or tongue; puffiness or swelling of the eyelids or around the eyes; shortness of breath, troubled breathing, wheezing, or tightness in chest
Always stop taking this drug and check with your family doctor immediately if any of the following side effects was happen
More common for mefenamic acid only
Diarrhea
More common for phenylbutazone only
Swelling of face, hands, feet, or lower legs; weight gain - rapid
Symptoms of phenylbutazone overdose
Bluish color of fingernails, lips, or skin; headache - severe and continuing
Rare for all nonsteroidal anti-inflammatory drugs
Abdominal or stomach pain, cramping, or burning - severe; bloody or black, tarry stools; chest pain; convulsions - seizures; fever with or without chills; nausea, heartburn, andindigestion - severe and continuing; pinpoint red spots on skin; sores, ulcers, or white spots on lips or in mouth; spitting up blood; unexplained nosebleeds; unusual bleeding or bruising; vomiting of blood or material that looks like coffee grounds
Always check with your family doctor as soon as possible if any of the following side effects was happen
More common
Bleeding from rectum - with suppositories; headache - severe, especially in the morning - for indomethacin only; skin rash
Less common or rare
Bladder pain; bleeding from cuts or scratches that lasts longer than usual; bleeding or crusting sores on lips; bloody or cloudy urine or any problem with urination, such as difficult, burning, or painful urination; change in urine color or odor; frequent urge to urinate; sudden, large increase or decrease in the amount of urine; or loss of bladder control; blurred vision or any change in vision; burning feeling in throat, chest, or stomach; confusion, forgetfulness, mental depression, or other mood or mental changes; cough or hoarseness; decreased hearing, any other change in hearing, or ringing or buzzing in ears; difficulty in swallowing; eye pain, irritation, dryness, redness andswelling; hallucinations - seeing, hearing, or feeling things that are not there; headache - severe, throbbing, or with stiff neck or back; hives, itching of skin, or any other skin problem, such as blisters, redness or other color change, tenderness, burning, peeling, thickening, or scaliness; increased blood pressure; irritated tongue; light-colored stools; loosening or splitting of fingernails; muscle cramps, pain, or weakness; numbness, tingling, pain, or weakness in hands or feet; pain in lower back andside - severe; swelling and/or tenderness in upper abdominal or stomach area; swelling of face, feet, or lower legs - if taking phenylbutazone, stop taking it and check with your family doctor immediately; swelling of lips or tongue; swollen andpainful glands - especially in the neck or throat area; thirst - continuing; trouble in speaking; unexplained runny nose or sneezing; unexplained, unexpected, or unusually heavy vaginal bleeding; unusual tiredness or weakness; weight gain - rapid - if taking phenylbutazone, stop taking it and check with your family doctor immediately; yellow eyes or skin
Other side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Abdominal or stomach cramps, pain, or discomfort - mild to moderate; diarrhea - if taking mefenamic acid, stop taking it and check with your family doctor immediately; dizziness, drowsiness, or lightheadedness; headache - mild to moderate; heartburn, indigestion, nausea, or vomiting
Less common or rare
Bitter taste or other taste change; bloated feeling, gas, or constipation; decreased appetite or loss of appetite; fast or pounding heartbeat; flushing or hot flashes; general feeling of discomfort or illness; increased sensitivity of eyes to light; increased sensitivity of skin to sunlight; increased sweating; irritation, dryness, or soreness of mouth; nervousness, anxiety, irritability, trembling, or twitching; rectal irritation - with suppositories; trouble in sleeping; unexplained weight loss; unusual tiredness or weakness without any other symptoms
Although not all of the side effects listed above have been reported for all of these medication, they have been reported for at least one of them. However, since all anti-inflammatory analgesics are very similar, it is possible that any of the above side effects may occur with any of these medication.
Some side effects may occur many days or weeks after you have stopped using phenylbutazone. During this time check with your family doctor immediately if you notice any of the following side effects:
Sore throat and fever; ulcers, sores, or white spots in mouth; unusual bleeding or bruising; unusual tiredness or weakness
More common side effects not listed above may also occur in some diseaseds. If you have any other problems, check with your family doctor.