The dose of a drug and dosage of the drug are two different terminologies. Dose is defined as the quantity or amount of medicine given by the doctor or taken by the patient at a given period. Dosage is the regimen prescribed by the doctor about how many days and how many times per day the drug is to be taken in specified dose by the patient. The dose is expressed in mg for tablets or gm, micro gm sometimes, ml for syrups or drops for kids syrups. The dose is not fixed for a drug for all conditions, and it changes according to the condition or a disease. It also changes on the age of the patient.
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Carefully consider the potential benefits and risks of Diclofenac Sodium extended-release tablets, and other treatment options before deciding to use Diclofenac Sodium extended-release tablets. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals.
After observing the response to initial therapy with Diclofenac Sodium extended-release tablets the dose and frequency should be adjusted to suit an individual patient’s needs.
For the relief of osteoarthritis, the recommended dosage is 100 mg daily.
For the relief of rheumatoid arthritis, the recommended dosage is 100 mg daily. In the rare patient where Diclofenac Sodium extended-release tablets 100 mg/day is unsatisfactory, the dose may be increased to 100 mg twice a day if the benefits outweigh the clinical risks of increased side effects.
Different formulations of Diclofenac Sodium (Diclofenac Sodium enteric-coated tablets; Diclofenac Sodium extended-release tablets; Diclofenac Sodium potassium immediate-release tablets) are not necessarily bioequivalent even if the milligram strength is the same.
What other drugs will affect Diclofenac Sodium?
Ask your doctor before using Diclofenac Sodium if you take an antidepressant such as citalopram, escitalopram, fluoxetine (Prozac), fluvoxamine, paroxetine, sertraline (Zoloft), trazodone, or vilazodone. Taking any of these medicines with an NSAID may cause you to bruise or bleed easily.
Tell your doctor about all your current medicines and any you start or stop using, especially:
cyclosporine;
lithium;
methotrexate;
rifampin;
antifungal medicine;
a blood thinner (warfarin, Coumadin, Jantoven);
heart or blood pressure medication, including a diuretic or "water pill";
other forms of Diclofenac Sodium (Flector, Pennsaid, Solaraze, Voltaren Gel);
other NSAIDs - aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib (Celebrex), indomethacin, meloxicam, and others; or
steroid medicine (prednisone and others).
This list is not complete. Other drugs may interact with Diclofenac Sodium, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Diclofenac Sodium interactions
Interactions are the effects that happen when the drug is taken along with the food or when taken with other medications. Suppose if you are taking a drug Diclofenac Sodium, it may have interactions with specific foods and specific medications. It will not interact with all foods and medications. The interactions vary from drug to drug. You need to be aware of interactions of the medicine you take. Most medications may interact with alcohol, tobacco, so be cautious.
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Aspirin: Concomitant administration of Diclofenac Sodium and aspirin is not recommended because Diclofenac Sodium is displaced from its binding sites during the concomitant administration of aspirin, resulting in lower plasma concentrations, peak plasma levels, and AUC values.
Anticoagulants: While studies have not shown Diclofenac Sodium to interact with anticoagulants of the warfarin type, caution should be exercised, nonetheless, since interactions have been seen with other NSAIDs. Because prostaglandins play an important role in hemostasis, and NSAIDs affect platelet function as well, concurrent therapy with all NSAIDs, including Diclofenac Sodium, and warfarin requires close monitoring of patients to be certain that no change in their anticoagulant dosage is required.
Digoxin, Methotrexate, Cyclosporine: Diclofenac Sodium, like other NSAIDs, may affect renal prostaglandins and increase the toxicity of certain drugs. Ingestion of Diclofenac Sodium may increase serum concentrations of digoxin and methotrexate and increase cyclosporineís nephrotoxicity. Patients who begin taking Diclofenac Sodium or who increase their Diclofenac Sodium dose or any other NSAID while taking digoxin, methotrexate, or cyclosporine may develop toxicity characteristics for these drugs. They should be observed closely, particularly if renal function is impaired. In the case of digoxin, serum levels should be monitored.
Lithium: Diclofenac Sodium decreases lithium renal clearance and increases lithium plasma levels. In patients taking Diclofenac Sodium and lithium concomitantly, lithium toxicity may develop.
Oral Hypoglycemics:
Diclofenac Sodium does not alter glucose metabolism in normal subjects nor does it alter the effects of oral hypoglycemic agents. There are rare reports, however, from marketing experiences, of changes in effects of insulin or oral hypoglycemic agents in the presence of Diclofenac Sodium that necessitated changes in the doses of such agents. Both hypo- and hyperglycemic effects have been reported. A direct causal relationship has not been established, but physicians should consider the possibility that Diclofenac Sodium may alter a diabetic patientís response to insulin or oral hypoglycemic agents.
Diuretics: Diclofenac Sodium and other NSAIDs can inhibit the activity of diuretics. Concomitant treatment with potassium-sparing diuretics may be associated with increased serum potassium levels.
Other Drugs: In small groups of patients (7-10/interaction study), the concomitant administration of azathioprine, gold, chloroquine, D-penicillamine, prednisolone, doxycycline, or digitoxin did not significantly affect the peak levels and AUC values of Diclofenac Sodium. Phenobarbital toxicity has been reported to have occurred in a patient on chronic phenobarbital treatment following the initiation of Diclofenac Sodium therapy.
Protein Binding
In vitro, Diclofenac Sodium interferes minimally or not at all with the protein binding of salicylic acid (20% decrease in binding), tolbutamide, prednisolone (10% decrease in binding), or warfarin. Benzylpenicillin, ampicillin, oxacillin, chlortetracycline, doxycycline, cephalothin, erythromycin, and sulfamethoxazole have no influence in vitro on the protein binding of Diclofenac Sodium in human serum.
Drug/Laboratory Test Interactions
Effect on Blood Coagulation: Diclofenac Sodium increases platelet aggregation time but does not affect bleeding time, plasma thrombin clotting time, plasma fibrinogen, or factors V and VII to XII. Statistically significant changes in prothrombin and partial thromboplastin times have been reported in normal volunteers. The mean changes were observed to be less than 1 second in both instances, however, and are unlikely to be clinically important. Diclofenac Sodium is a prostaglandin synthetase inhibitor, however, and all drugs that inhibit prostaglandin synthesis interfere with platelet function to some degree; therefore, patients who may be adversely affected by such an action should be carefully observed.
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References
DailyMed. "DICLOFENAC EPOLAMINE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
FDA/SPL Indexing Data. "144O8QL0L1: The UNique Ingredient Identifier (UNII) is an alphanumeric substance identifier from the joint FDA/USP Substance Registration System (SRS).". https://www.fda.gov/ForIndustry/Data... (accessed September 17, 2018).
The results of a survey conducted on ndrugs.com for Diclofenac Sodium are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Diclofenac Sodium. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.
User reports
4 consumers reported frequency of use
How frequently do I need to take Diclofenac Sodium? It was reported by ndrugs.com website users that Diclofenac Sodium should ideally be taken Once in a day as the most common frequency of the Diclofenac Sodium. You should you adhere strictly to the instructions and guidelines provided by your doctor on how frequently this Diclofenac Sodium should be taken. Get another patient's view on how frequent the capsule should be used by clicking here.
Users
%
Once in a day
3
75.0%
Twice in a day
1
25.0%
6 consumers reported doses
What doses of Diclofenac Sodium drug you have used? The drug can be in various doses. Most anti-diabetic, anti-hypertensive drugs, pain killers, or antibiotics are in different low and high doses and prescribed by the doctors depending on the severity and demand of the condition suffered by the patient. In our reports, ndrugs.com website users used these doses of Diclofenac Sodium drug in following percentages. Very few drugs come in a fixed dose or a single dose. Common conditions, like fever, have almost the same doses, e.g., [acetaminophen, 500mg] of drug used by the patient, even though it is available in various doses.
Users
%
51-100mg
2
33.3%
11-50mg
2
33.3%
101-200mg
1
16.7%
501mg-1g
1
16.7%
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