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In medicine, a side effect is an effect of the use of a medicinal drug or other treatment, usually adverse but sometimes beneficial, that is unintended.
An adverse effect is an undesired harmful effect resulting from a medication or other intervention, such as surgery. [1] An adverse effect may be termed a " side effect ", when judged to be secondary to a main or therapeutic effect .
Some effects, such as weakness or partial paralysis of a limb on the affected side, are generally always to be expected. Other impairments can appear, upon external examination, to be unrelated to the limb weakness, but are nevertheless also caused by damage to the affected side of the brain.
Left tension pneumothorax with a large, well-demarcated area devoid of lung markings with tracheal deviation and movement of the heart away from the affected side. Mediastinal shift is an abnormal movement of the mediastinal structures toward one side of the chest cavity .
Symptoms related to damage will depend on the position of damage in this pathway. If the damage is to the nerve itself (a lower motor neuron lesion), the tongue will curve toward the damaged side, owing to weakness of the genioglossus muscle of affected side which action is to deviate the tongue in the contralateral side .
Bell's palsy is a type of facial paralysis that results in a temporary inability to control the facial muscles on the affected side of the face. [1] In most cases, the weakness is temporary and significantly improves over weeks. [4] Symptoms can vary from mild to severe. [1]
Medications are used to reverse the symptoms of extrapyramidal side effects caused by antipsychotics or other drugs, by either directly or indirectly increasing dopaminergic neurotransmission. The treatment varies by the type of the EPS, but may involve anticholinergic agents such as procyclidine , benztropine , diphenhydramine , and ...
Once accumulated fluid is more than 300 mL, there are usually detectable clinical signs, such as decreased movement of the chest on the affected side, dullness to percussion over the fluid, diminished breath sounds on the affected side, decreased vocal resonance and fremitus (though this is an inconsistent and unreliable sign), and pleural ...