Know the interactions
What drugs may interact with Flanax?
This drug may interact with other medications. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and inform your doctor and pharmacist.
Known drugs and their interactions with Naproxen include:
- Other NSAIDs
- Decreased sodium excretion
- Decreased control of blood pressure
- Selective serotonin reuptake inhibitors (SSRIs)
- Increased risk of hypoglycemia
If you experience an adverse drug interaction, stop taking this drug and continue taking your other medication. Inform your doctor immediately to reevaluate your treatment plan. Your doctor may adjust the dose, substitute it for another drug, or direct you to stop using this drug.
Does food or alcohol interact with naproxen?
Naproxen is slightly less absorbed when taken with food. However, taking it with a meal prevents gastrointestinal distress. Similarly, this drug should not be taken with alcohol as it may increase the risk of gastrointestinal ulceration, bleeding, and hepatotoxicity.
Inform your doctor or pharmacist if you have any concerns regarding food-drug interactions.
What health conditions may interact with naproxen?
Take this drug with caution if you have any of the following conditions or risk factors:
- Active bronchial asthma
- Nasal polyps
- Uncontrolled hypertension
- Congestive heart failure (CHF)
- Other cardiovascular diseases
- Gastrointestinal diseases
- Conditions that require surgery
- Renal or hepatic impairment
- Women with fertility issues or are undergoing treatment
Inform your doctor or pharmacist if you have any concerns regarding specific health conditions.
Understand the dosage
The information provided is not a substitute for any medical advice. Therefore, you should always consult with your doctor or pharmacist before using any medication.
What is the dose for an adult?
For mild to moderately-severe pain, fever, inflammation
Begin with 2 tablets for the first dose, then take 1 tablet every 8 hours.
For postpartum pain
Take 2 tablets as a single dose.
For acute migraines
Take 3 tablets at the onset of the attack. An additional 1-2 tablets may be taken after more than 30 minutes.
The maximum daily dose for Flanax is 1375 mg, and the maximum daily dose for Flanax Forte is 550 mg twice a day.
What is the dose for a child?
There is no established pediatric dose. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.
How is Flanax available?
Flanax is available in the following dosage forms and strengths:
- (OTC) Flanax 275 mg of naproxen
- (Rx) Flanax Forte tablet 550 mg of naproxen (Rx-strength)
What should I do in case of an emergency or overdose?
In case of an emergency or an overdose, consider activated charcoal, emesis (vomiting), osmotic cathartic, or gastric lavage within 1-4 hours of ingestion. In additionally, immediately call your local emergency services or go to your nearest emergency room.
Symptoms of overdose may include the following:
- extreme tiredness
- stomach pain
- slow or difficult breathing
What should I do if I miss a dose?
If you miss a dose, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.