Taking magnesium hydroxide milk of magnesia with mefenamic acid may increase mefenamic acid levels in your body. This could increase its side effects. If you take mefenamic acid with digoxin, it may increase the digoxin in your body to harmful levels. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. This dosage information is for mefenamic acid oral capsule. All possible dosages and forms may not be included here.
Your dose, form, and how often you take it will depend on:. For people with liver problems: If you have liver disease, your body might not be able to process this drug well. This may cause increased amounts of mefenamic acid in your blood and increase your risk of side effects. Your doctor may prescribe a decreased dosage. For people with kidney problems: If you have kidney disease, your body might not be able to clear out this drug as well as it should.
However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you. Mefenamic acid may damage your liver. Your doctor may take a blood test to monitor your liver and make sure this drug is safe for you.
Call your doctor immediately if you notice symptoms of liver damage, such as:. This might be a severe skin disorder such as exfoliative dermatitis, Stevens-Johnson syndrome, or toxic epidermal necrolysis, all of which can be fatal. It may cause the blood vessel that supplies nutrients and oxygen to the fetus to close too early. Taking it again could be fatal.
These include ibuprofen, naproxen, diclofenac, and meloxicam. Consuming drinks that contain alcohol with mefenamic acid increases your risk of stomach bleeding or ulcer. For people with heart disease, including heart failure and high blood pressure: Mefenamic acid may cause an increased risk of heart problems, including heart attack, stroke, or blood clot.
Your risk may be higher if you already have heart disease and take this medication for a longer period of time. Mefenamic acid may cause you to retain water and can make high blood pressure worse or increase your risk of heart failure. For people with ulcers and stomach bleeding: Mefenamic acid increases your risk of bleeding or ulcers in your stomach or intestines. These can occur at any time and without any warning signs or symptoms.
For people with asthma: Mefenamic acid may cause your airways to become narrower or smaller, which can be deadly. If your asthma gets worse, get emergency medical help. For people with kidney disease: Mefenamic acid can damage your kidneys if you take it for a long period of time. Tell your doctor if you have a history of kidney disease.
For pregnant women: Mefenamic acid has not been sufficiently studied in pregnant women. Women who are breastfeeding: Small amounts of mefenamic acid may be passed into your breast milk and cause side effects in your child. This can lead to a buildup of the drug in your body and increase your risk of side effects.
Mefenamic acid oral capsule is used for short-term treatment. For this drug to work well, a certain amount needs to be in your body at all times. But if your symptoms are severe, call or go to the nearest emergency room right away.
What to do if you miss a dose: This medication is taken every six hours as needed. If you planned to take it and missed a dose, take it as soon as you can. After you take it, wait another six hours for the next dose.
This could result in dangerous side effects. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled.
These enzymes help to make other chemicals in the body, called prostaglandins. Some prostaglandins are produced at sites of injury or damage, and cause pain and inflammation. By blocking the effect of COX enzymes, fewer prostaglandins are produced, which means pain and inflammation are eased.
Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking mefenamic acid, it is important that your doctor knows:.
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the more common ones associated with mefenamic acid. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine.
Alternatively, you can find an example of a manufacturer's information leaflet in the reference section below. Speak with your doctor or pharmacist if any of the following continue or become troublesome. Important : if you experience any of the following less common but possibly serious symptoms, stop taking mefenamic acid and contact your doctor for advice straightaway:.
If you experience any other symptoms which you think may be due to the medicine, speak with your doctor or pharmacist for further advice. Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty. This medicine is for you. Take this medicine only as directed by your doctor.
Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance for side effects. This medicine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label.
The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. It is very important that your doctor check your progress at regular visits.
Blood and urine tests may be needed to check for unwanted effects. This medicine may raise your risk of having a heart attack or stroke. This is more likely in people who already have heart disease or in people who use this medicine for a long time.
Check with your doctor right away if you are having chest pain or discomfort, nausea or vomiting, pain or discomfort in the arms, jaw, back, or neck, trouble breathing, slurred speech, or weakness.
This medicine may cause bleeding in your stomach or intestines. These problems can happen without warning signs. This is more likely if you have had a stomach ulcer in the past, if you smoke or drink alcohol regularly, are over 60 years of age, are in poor health, or using certain other medicines eg, steroid medicine, blood thinner.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.
Serious skin reactions, including exfoliative dermatitis, Stevens-Johnson syndrome, toxic epidermal necrolysis, and drug reaction with eosinophilia and systemic symptoms DRESS can occur with this medicine. Check with your doctor right away if you have black, tarry stools, blistering, peeling, or loosening of the skin, chest pain, chills, cough, diarrhea, fever, itching, joint or muscle pain, painful or difficult urination, red irritated eyes, red skin lesions, sore throat, sores, ulcers, or white spots in the mouth or on the lips, swollen glands, unusual bleeding or bruising, or unusual tiredness or weakness.
Some possible warning signs of some serious side effects that can occur during treatment with this medicine may include swelling of the face, fingers, feet, or lower legs, severe stomach pain, black, tarry stools, or vomiting of blood or material that looks like coffee grounds, unusual weight gain, yellow skin or eyes, decreased urination, bleeding or bruising, or skin rash.
Also, signs of serious heart problems could occur including chest pain or tightness, fast or irregular heartbeat, unusual flushing or warmth of skin, weakness, or slurring of speech.
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