

| Dosage | Package | Price per Dose | Price | |
|---|---|---|---|---|
| 250mg | 360 pill | £0.33 | £141.11 £119.94 Best Price | |
| 250mg | 180 pill | £0.36 | £76.80 £65.28 | |
| 250mg | 120 pill | £0.44 | £62.51 £53.13 | |
| 250mg | 90 pill | £0.46 | £48.22 £40.99 | |
| 250mg | 60 pill | £0.49 | £33.93 £28.84 | |
| 250mg | 30 pill | £0.55 | £19.64 £16.69 | |
| 500mg | 360 pill | £0.54 | £228.63 £194.34 Popular | |
| 500mg | 180 pill | £0.64 | £134.85 £114.63 | |
| 500mg | 120 pill | £0.70 | £98.24 £83.50 | |
| 500mg | 90 pill | £0.77 | £80.37 £68.32 | |
| 500mg | 60 pill | £0.85 | £59.83 £50.86 | |
| 500mg | 30 pill | £0.88 | £31.25 £26.56 |
Mefenamic acid is a nonsteroidal anti inflammatory drug (NSAID) used to relieve pain and cramps. It is available in tablets of different strengths. The medicine reduces pain by blocking certain chemicals in the body that cause inflammation and fever. Many people turn to it for menstrual cramps, toothache, backache, and mild muscle aches. It is usually advised for short periods and at the lowest effective dose to limit side effects. Consumers often want quick relief, and mefenamic acid can provide that when taken as directed.
The drug lowers the levels of prostaglandins, which play a role in pain signaling and inflammation. By doing this, it can lessen cramping and acute discomfort after injuries. It is not a substitute for medical care in serious conditions, but it can help with minor pains and menstrual symptoms. Some people may notice relief within an hour or two after taking a dose. Always follow the labeling and avoid using more than recommended time or amount.
Take mefenamic acid with a full glass of water and with food to minimize stomach upset. The usual adult dose for cramps is 500 mg, then 250 mg to 500 mg after about six hours as needed, not exceeding the prescribed daily limit. Some products offer 125 mg or 250 mg capsules. Do not exceed the stated dose. Do not give to children without medical advice. If you have ulcers, kidney or liver problems, or asthma, discuss use with a clinician first, as risks may be higher.
Common side effects include stomach upset, heartburn, dizziness, or nausea. Some people may have headaches or mild skin rashes. Rare but serious effects include stomach or intestinal ulcers, kidney issues, high blood pressure, or allergic reactions. People on blood thinners or with bleeding risks should be careful. Seek medical help if you notice persistent stomach pain, dark stools, yellowing of the skin, swelling, or breathing difficulties.
Mefenamic acid can interact with other medicines such as anticoagulants, certain antidepressants, and other NSAIDs. It should not be used in the late stages of pregnancy unless a doctor directs otherwise. Alcohol use can worsen stomach irritation. Do not take if you have a history of NSAID allergy or active bleeding. Always tell your pharmacist about all medicines and supplements you take to avoid interactions. If symptoms persist beyond a few days, consult a clinician.
People with current stomach ulcers, active bleeding, severe kidney or liver disease, or a history of NSAID-induced asthma should avoid mefenamic acid unless advised by a doctor. Dehydration and low fluid intake can raise kidney risks, so stay hydrated. The elderly may have higher sensitivity to side effects. Discuss alternatives with your healthcare provider if you have ongoing pain or chronic conditions.
Store in a cool, dry place away from heat and moisture. Keep medicines out of reach of children. Do not use after the expiration date. If you miss a dose, do not double up; take the next dose as scheduled unless you are near the time for the next dose. If pain continues after a few days, seek medical advice rather than extending use.
14–21 days. Free from £151.83 .
5–9 days. £22.77
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−10% on all repeat orders.
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