During an Electromyography test, or EMT, patients may experience twinges and spasms from surface electrodes and discomfort or pain from needle electrodes, explains Mayo Clinic. Minor bruising at the insertion site of nee... More »

Side effects of nonsteroidal anti-inflammatory drugs include nausea, constipation, dizziness and drowsiness, according to MedicineNet. Serious side effects of taking NSAID pain relievers are ulcers, liver failure and kid... More »

www.reference.com Health Medications & Vitamins Side Effects

Common sides effects of pain patches, particularly the brand name Duragesic that contains fentanyl, include queasiness, retching, constipation, sleepiness, dizziness and headache, states WebMD. Improper use or abuse of f... More »

www.reference.com Health Medications & Vitamins Side Effects

The needle electrodes used during an EMG may cause short-term discomfort or pain, and the patient may feel a twinge or spasm as the electric current is transmitted, according to Mayo Clinic. The procedure generally lasts... More »

www.reference.com Health Diagnostics & Imaging

Electromyography, or EMG, sometimes causes pain and discomfort, reports Healthline. Patients can request a break if the pain is too much. The test generally takes 30 minutes to one hour to finish. More »

www.reference.com Health Diagnostics & Imaging

Intestinal pain located on the right side can be caused by conditions varying from mild gas-related discomfort to serious medical emergencies, such as kidney infections, cancer or appendicitis, says Mayo Clinic. Concurre... More »

Although electromyography is usually painless, the insertion of electrodes into muscles during the procedure sometimes causes slight pain or discomfort to patients, according to MedlinePlus. It is also normal for patient... More »