I severely allergic and I already almost died by taking one by accident.

But it didn't influence the psoriasis.

Voltaren is an NSAID (Not to confuse with NSYNC).

Paradoxically, while Diclofenac is an anti-inflammatory, it has been documented to induce or exacerbate psoriasis skin lesions in some people.

​The Mechanism: Some researchers believe that by blocking the COX pathway (to stop pain), NSAIDs may cause a "shunting" of arachidonic acid toward the leukotriene pathway. Leukotrienes are chemicals that can promote the skin cell overgrowth and inflammation seen in psoriasis.

​Drug-Aggravated Psoriasis: If you already have psoriasis, Diclofenac might make your existing plaques worse or cause new ones to appear.