The present invention provides injectable formulations of water-soluble saltsof diclofenac in single doses of less than 2 ml, which cause significantlyless pain at the site of injection and can be administered by intradeltoidroute, in addition to intragluteal and slow intravenous route. Morespecifically the injectable preparations contain 75 mg to 100 mg of water-soluble salts of diclofenac, in about 1 ml injection solution withoutsignificantly raising the viscosity of the injection solution without the usesurfactants. The formulations are adjusted to pH 6 to 10 containing up to100mg of diclofenac salt in a medium comprising of water, along with one ormore co-solvent(s) / solubiliser(s), antioxidants, preservatives, buffers,alkali and stabilizers.
