Voltaren Gel should not be used by patients with known hypersensitivity to diclofenac. It also should not be used by patients who developed asthma, urticaria, or allergic reactions after taking aspirin or NSAIDs.
Biliary drainage is performed with a tube or catheter (called a biliary drain, biliary stent or biliary catheter) by a surgeon or, commonly, an interventional radiologist. It can be used to relieve a blockage in the bile duct, either permanently or as a temporary solution before definite treatment such as surgery.
Drainage for the maxillary sinus is half-way up its medial wall, opening into the hiatus. semilunaris, which is below the middle concha. Mucous retention cysts of the maxillary sinus can. occasionally be large enough to obstruct the natural drainage pathway from the maxillary sinus.