
Diclofenac
Diclofenac has potent anti-inflammatory
analgesic and antipyretic actions. The mechanism of these actions
is inhibition of the enzyme, cyclo-oxygenase in the pathway of prostaglandin(PG)
synthesis. PG’s are known to be associated with inflammation.
Diclofenac is available as a sodium and potassium salt.The Potassium
salt is absorbed rapidly and action sets in much earlier.
Indications &
Dosage:
Oral – Inflammatory
and De-generative arthritis, RA, OA Ankylosing Spondylitis, acute
gout.Low Back pain: 50mg b.i.d. Children over 1year: 1-3mg/kg/day
in divided doses.
Dysmenorrhoea: Start with 50-100 mg and increases if required upto
200 mg/day.Sustained release forms: 100mg
IM
- Indication as above : 75mg 1-2 times daily.
Children – Not recomemded
Composition:
Each Tablet Contains
Diclofenac Sodium B.P. 50mg
Safety Alert:
CL:
Active peptic ulcer, hypersens to diclofenac, aspirin or other NSAIDs
SP: Patients with history of GI ulceration, impaired
hepatic , cardial or renal function.Pregnancy and Lactation
INT POT-HAZ: Increases blood levels of lithium
and digoxin. Inhibits diuretics but potentiates potassium sparing
diuretics increases toxicity of methotrexate.
Others – Lowers Serum Concentration of salicylates.
ADR POT-LT: Perforation of gastric ulcers, GIT
haemorrhage, blood dyscrasias and anaphylaxis. Others – Peptic
Ulcer, Abnormalities of Liver and Kidney Function.
INT-FOOD: Delayed absorption of no clinical significance
in long term therapy.
Parafenac
(Diclofenac + Paracetamol)
Diclofenac is an NSAID. Paracetamol
is an analgesic and antipyretic. When used together the actions
of paracetamol set in earlier and provides pain relief before the
effects of diclofenac sodium set in.
Indications &
Dosage:
Oral – Pinful Inflammatory
Conditions :
Diclofenac sodium 50mg paracetamol 500 mg(tablet), 1 tablet t.i.d.
after meals.
Composition:
Each Capsule Contains
Diclofenac Sodium B.P. 50mg
Paracetamol B.P. 500mg
Safety Alert:
CL:Hypersensivity, active peptic
ulcer or GI bleeding, history of allergic responses to aspirin or
other NSAIDs, acute porphyria.
SP: Analgesic nephrpathy, renal orhepatic impairmrnt,
hypertension, cardiac failure, bronchospasm, patients taking durectics.
INT POT-LT: Increased levels of lithium,digoxin
and methotrexate
ADR POT-LT: Bleeding or perforation through peptic
ulcer, rarely blood dyscrasia or anaphylaxis , acute renal failure
– Others – GI disturbances, nausea, vomiting, diarrhea,
hepatitis, rash, prolonged bleeding time.

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