Naproxen 500mg Tablet

✔️ Uses of Naproxen 500mg Tablet

• Joint Pains
• Menstrual Cramp

✔️ How does Naproxen 500mg Tablet work?

Naproxen 500mg Tablet is an NSAID that inhibits the COX-1 and COX-2 enzymes, reducing prostaglandin synthesis and alleviating inflammation in muscles.

✔️ Side Effects of Naproxen 500mg Tablet

• Vomiting
• Loss Of Appetite
• Chest Pain
• Heartburn
• Constipation
• Dry Mouth
• Indigestion
• Dizziness
• Rash
• Pruritus

✔️ Quick Suggestions:

• Take Naproxen with food or milk to prevent an upset stomach.
• Take it as per the dose and duration prescribed by your doctor. Long-term use may lead to serious complications such as stomach bleeding and kidney problems.
• Do not take indigestion remedies (antacids) within two hours of taking Naproxen.
• Avoid consuming alcohol while taking Naproxen as it can increase your risk of stomach problems.
• Inform your doctor if you have a history of heart disease or stroke.
• Your doctor may regularly monitor your kidney function, liver function, and levels of blood components if you are taking this medicine for long-term treatment.

✔️ Indication

Naproxen 500mg Tablet is a pain reliever.

• It is a non-steroidal anti-inflammatory drug (NSAID).
• It reduces hormones responsible for pain and inflammation.
• It is used for conditions like ankylosing spondylitis, arthritis, tendinitis, gout, bursitis, and menstrual cramps.

✔️ Pharmacology

Naproxen, a propionic acid derivative, is a typical NSAID. It works by reversibly inhibiting the cyclooxygenase-1 and -2 (COX-1 and -2) enzymes, leading to decreased synthesis of prostaglandin precursors. It also has the ability to inhibit platelet aggregation and possesses anti-inflammatory, analgesic, and antipyretic properties.

✔️ Dosage & Administration of Naproxen 500mg Tablet

Adult Dose:

• Pain: Initially 500 mg PO, then 250 mg PO q6-8hr or 500 mg PO q12hr PRN; not to exceed 1250 mg/day naproxen base on day 1; subsequent daily doses should not exceed 1000 mg naproxen base.
• Rheumatoid Arthritis, Osteoarthritis, Ankylosing Spondylitis: 500-1000 mg/day PO divided q12hr; may increase to 1500 mg/day if tolerated well for a limited time.
• Dysmenorrhea: Initially 500 mg PO, then 250 mg PO q6-8hr or 500 mg PO q12hr (long-acting formula); not to exceed 1250 mg/day on the first day; subsequent doses should not exceed 1000 mg/day naproxen base.
• Gout, Acute: Initially 750 mg PO, followed by 250 mg q8hr until the attack subsides; extended-release: 1000-1500 mg qDay, followed by 1000 mg qDay until the attack subsides.

Child Dose:

• Pain >12 years: Initially 500 mg PO, then 250 mg PO q6-8hr or 500 mg PO q12hr PRN; not to exceed 1250 mg/day naproxen base on day 1; subsequent daily doses should not exceed 1000 mg naproxen base.
• Juvenile Idiopathic Arthritis >2 years: 10 mg/kg/day oral suspension PO divided q12hr; not to exceed 15 mg/kg/day.

Renal Dose:

• Renal impairment with CrCl <30 mL/min: Use not recommended.
• Severe renal impairment: Contraindicated.

✔️ Interaction

Drug Interactions:

• Increased toxicity: Naproxen 500mg Tablet may interact with other highly protein-bound drugs such as oral anticoagulants, hydantoins, salicylates, sulfonamides, and sulfonylureas.
• Naproxen 500mg Tablet and warfarin may cause a slight increase in free warfarin.
• Naproxen 500mg Tablet and probenecid may cause an increased plasma half-life of naproxen.
• Naproxen 500mg Tablet and methotrexate may significantly increase and prolong blood methotrexate concentration, which may be severe or fatal.

Interaction with Alcohol:

• Alcohol consumption is not advised while taking this medication as it can result in stomach bleeding.

Interaction with Disease:

• Use with caution in patients with GI disease (bleeding or ulcers), cardiovascular disease (CHF, hypertension), dehydration, renal or hepatic impairment, and patients receiving anticoagulants.
• Perform ophthalmologic evaluation for those who develop eye complaints during therapy (blurred vision, diminished vision, changes in color vision, retinal changes).
• NSAIDs may mask signs/symptoms of infections.
• Photosensitivity reported; elderly are at especially high risk for adverse effects.

Interaction with Food:

• Food may decrease the rate but not the extent of oral absorption.
• Drugs may cause GI upset, bleeding, ulceration, and perforation; take with food or milk to minimize GI upset.

✔️ Contraindications

Contraindications of Naproxen 500mg Tablet:

• Known hypersensitivity to naproxen.
• History of asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs.
• Contraindicated for the treatment of perioperative discomfort in coronary artery bypass graft (CABG) surgery.

✔️ Pregnancy & Lactation

Naproxen is categorized as pregnancy category C by the US Food and Drug Administration. Therefore, it should be avoided during pregnancy and nursing unless the potential benefits to the mother outweigh the potential hazards to the unborn child.

✔️ Precautions & Warnings

• If you are allergic to Naproxen 500mg Tablet or any other medicines, inform your doctor.
• Pregnant women, especially in the third trimester, should avoid Naproxen 500mg Tablet as it may harm the baby.
• Consult a doctor before taking Naproxen 500mg Tablet if you are pregnant or breastfeeding.
• Elderly patients are at higher risk of gastrointestinal bleeding, so the doctor may limit their dose.
• Avoid alcohol with Naproxen 500mg Tablet as it can increase the risk of stomach bleeding.
• It may cause severe heart problems like myocardial infarction and stroke, which can be fatal.
• If you notice bleeding from the back passage, black sticky motions, bloody stools, blood in vomit, or stomach pain spreading to the back, stop taking Naproxen 500mg Tablet and contact your doctor immediately.
• Avoid using it if you have undergone recent heart bypass surgery or are about to have surgery.
• Naproxen 500mg Tablet increases the risk of severe gastrointestinal conditions like bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal.
• If you experience weight loss, diarrhea, pain, or vomiting, stop taking Naproxen 500mg Tablet and consult a doctor immediately, as these might be signs of worsening Crohn’s disease or ulcerative colitis (swelling in the digestive tract).

✔️ Storage Conditions

Keep below 30°C temperature, protected from light & moisture. Keep out of the reach of children.