Diclofenac is a potent NSAID having both strong anti-inflammatory & analgesic properties. It inhibits synthesis of prostaglandin from arachidonic acid by blocking the cycloxygenase enzyme.



    Erdon-100 TR Capsule: Each capsule contains timed release Diclofenac Sodium pellets equivalent to Diclofenac Sodium BP 100 mg.
    Erdon Gel: Each gram gel contains Diclofenac Diethylamine BP equivalent to Diclofenac Sodium 10 mg.
    Erdon Plus Injection: Each 2 ml ampoule of injection contains Diclofenac Sodium USP 75 mg and Lidocaine Hydrochloride USP 20 mg.
    Erdon-50 Suppository: Each suppository contains Diclofenac Sodium BP 50 mg.


    Rheumatology: Inflammatory and degenerative forms of rheumatism, chronic involutive, polyarthritis, ankylosing spondylarthritis, osteoarthritis, spondylarthroses, acute gout, peri-articular rheumatic disorders.
    Surgery and Traumatology: Sprain, bruises, dislocations, fractures, soft-tissue injuries, surgical interventions.
    Obstetrics and Gynecology: Primary dysmenorrhoea, episiotomy, adnexitis, endometritis, parametritis, salpingitis, and mastitis.
    Otorhinolaryngology: As pre-operative medication for the prevention of pain, inflammation, and swelling.
    Dentistry: Post-operative and post-traumatic pain, inflammation, and swelling.
    Other indications: For the prevention of pain and treatment of inflammation and swelling of patients operated in the urogenital tract, renal and biliary colic.

Dosage & Administration

    Erdon-100TR Capsule: One capsule daily. If necessary, the daily doses can be increased to 150 mg by prescribing in addition Erdon Super enteric coated tablet of 50 mg. Erdon-100 TR should be taken preferably in the evening and with a little liquid preferably after mealtimes.
    Erdon Gel: For external use only. Depending on the size of area to be treated, 2-4 g of Erdon Gel should be applied to the skin 3-4 times daily. To the affected area gel should be rubbed in lightly. Erdon Gel may also be given in addition to further treatment with other dosage forms of Diclofenac.
    Erdon-Plus Injection: In adults- For post-operative case: Diclofenac Sodium 75 mg & Lidocaine Hydrochloride 20 mg/2 ml once daily (in severe cases twice daily) by deep intramascular injection. Renal colic: Diclofenac Sodium 75 mg & Lidocaine Hydrochloride 20 mg/2 ml once daily by deep intramascular injection. Further Diclofenac Sodium 75 mg & Lidocaine Hyrdrochloride 20 mg/2 ml should be given after 30 minutes. The maximum daily dosage of Diclofenac Sodium & Lidocaine Hydrochloride is 150 mg. In children: For juvenile chronic arthritis: 1-3 mg of Diclofenac containing Lidocaine/kg weight in divided doses.
    Erdon-50 Suppository: For adults: 50 mg suppository 2-3 times daily. Maximum daily dose is 150 mg.


    Contraindicated to the patients hypersensitive to any ingredient of the products. Peptic ulcer, hypersensitivity to Diclofenac like other non-steroid anti-inflammatory agents, Diclofenac is also contra-indicated in asthmatic patient in whom attack with asthma, urticaria or acute rhinitis are precipitated by acetylsalicylic acid or by other drugs with prostaglandin synthetase inhibitor. Erdon Gel should not be used under occlusive airtight dressings.

Warning & Precautions

    In rare instances where peptic ulceration or gastro-intestinal bleeding occurs in patients under treatment with Diclofenac. In patients with advanced age should be kept under close observation. Erdon Gel should not be allowed to come in contact with the eyes or mucus membranes, after application the hands should be washed properly and not to be taken by mouth.

Side effects

    Erdon is generally well tolerated. Adverse effects are mild, rare and transient. At the starting of the treatment, however, patients may be sometimes complaining of epigastric pain, eructation, nausea and diarrhea or dizziness or headache. These effects are usually mild in nature. Peripheral edema and skin reactions, such as rash and eczema have also been encountered. Erdon Gel may cause local irritation and reddening of the skin and skin rash.

Drug interaction

Use in special groups

    Use in pregnancy: During pregnancy Diclofenac should be employed only for compelling reasons. The lowest effective dose should be used. These types of drugs are not recommended during the first trimester of pregnancy. In view of insufficient clinical data, Erdon Gel is not recommended during pregnancy.
    Use in lactation: Very insignificant quantity of Diclofenac may be detected in breast milk but no undesirable effects on the infant to be expected.


    Erdon-100 TR Capsule: Each box contains 100 capsules in blister pack.
    Erdon Gel: Each tube contains 50 g gel.
    Erdon-Plus Injection: Each box contains 10 ampoules in blister pack.
    Erdon-50 Suppository: Each box contains 20 suppositories in PVC-PE strip pack.
    Erdon Sterile Eye Drops: Each LDPE dropper bottle contains 5 ml drops