e-mail

info@careeasy.hk

call

+852 6492 2239

project

Name/scientific name

MEFENAMIC ACID

Self-financed or subsidized by the Hospital Authority

Hospital Authority Drug Formulary

Indications

Menstrual pain, musculoskeletal pain, arthritis, inflammation, migraine

body system

Musculoskeletal and joint diseases

type 

Commonly used drugs for rheumatism and gout

Drug introduction

Mefenac is a nonsteroidal anti-inflammatory drug used to relieve pain and reduce inflammation. It is commonly used to treat menstrual cramps, arthritis, and other painful conditions. Mefenac can help reduce pain, fever, and inflammation. In Hong Kong, common trade names of mefenac include "Mefen" and "Ponstan". Please read the instructions carefully before taking the medicine and follow the advice of your doctor or pharmacist. The medicine may cause stomach upset, headache, or other side effects. If you feel uncomfortable, stop using it immediately and consult your doctor. You should avoid drinking alcohol while using mefenac to reduce the risk of stomach upset. If you have any questions or don't understand something, please ask the medical staff.

Dosage

Directions for use: Should be taken after meals to reduce the risk of stomach upset. You must follow your doctor's advice and do not increase or decrease the dosage on your own. During the period of taking it, you should avoid eating greasy or spicy foods and maintain proper fluid intake.

Dosing Guidelines: The usual initial dose for adults is 500 mg every 6 hours. The maximum daily dose should not exceed 2000 mg. For adolescents 12 years of age and older, the recommended dosage is the same as for adults. For children 6 to 11 years old, the dose should be adjusted as directed by your doctor, usually 250 mg every 6 to 8 hours. Not recommended for children under 6 years of age. If you have any discomfort or questions, you should consult your doctor immediately.

side effect

Mefenamic Acid is an anti-inflammatory and analgesic. Common side effects include dizziness, nausea, abdominal pain, diarrhea and indigestion. Some people may experience skin sensitivity, edema, high blood pressure or liver problems. Long-term heavy use may cause stomach ulcers, kidney damage and heart problems. If you have serious side effects, such as difficulty breathing, severe rash, or bleeding, seek medical advice right away. Follow your doctor's instructions when using Mefenamic Acid, avoid interactions with other medications, and avoid drinking alcohol to reduce the risk of side effects.

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Taboo

People who should use Mefenamic Acid with caution include:

1. Pregnant women: It is forbidden to use methacrylic acid during pregnancy, especially in the third month of pregnancy, as it may cause serious effects on the fetus, including heart defects and other developmental problems.

2. Breastfeeding women: Breastfeeding women should avoid using methacrylate because this drug may be passed to the baby through breast milk and cause adverse effects on the baby.

3. Adolescents: Adolescents under the age of 18 should be used with caution as patients in this age group may have different reactions to the drug.

4. Patients with renal insufficiency: Patients with renal insufficiency should avoid the use of methylamine as this drug may cause further damage to the kidneys.

5. Patients with gastrointestinal problems: Patients with gastrointestinal ulcers, bleeding problems, or other gastrointestinal problems should avoid the use of methylamine as it may aggravate these problems.

Before using methacrylic acid, you should consult your doctor or pharmacist in detail to ensure that you do not fall into the contraindication group and follow the doctor's advice when using the drug.

Precautions

Precautions for use: Use with caution in patients with gastrointestinal problems or risk of bleeding. It is not suitable for long-term continuous use and should be used under the guidance of a physician. If you have gastrointestinal discomfort or bleeding, you should stop taking the medication immediately and seek medical advice.

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  • Medication grading for pregnant women

    Mefenac should be used with special caution during pregnancy. Mefenac is a nonsteroidal anti-inflammatory pain reliever that may cause harm to the fetus. Use of mefenac by pregnant women may increase the risk of premature labor, miscarriage, and fetal defects. If you are planning to become pregnant or are pregnant, you should avoid using mefenac, especially during the last trimester of pregnancy.

    If you are pregnant or breastfeeding and need to take painkillers, it is recommended to use safe alternatives in consultation with your doctor. You should tell your doctor about your pregnancy so they can help you choose the best treatment for you and your baby.

    In conclusion, mefenac should be used with special caution during pregnancy to ensure the health of you and your baby. It is very important to stay in communication with your doctor and follow their advice.

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