While magnesium is a mineral essential for health that is available in food and supplements, magnesium... Interaction. My cardiologist suggested that I try taking Magnesium as a supplement. These medications are not usually taken together. Could it be that when I take the magnesium it is actually improving the potassium level? Drugs.com: Drug Interactions Between Mag-Ox and Metoprolol. Medicines that may cause interactions with metoprolol include atenolol, fluoxetine, and ibuprofen. Start now, it's free and anonymous. Learn … Such scars are often a trigger point for ventricular arrhythmias that shut down the heart’s pumping action and cause sudden cardiac arrest. The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Chlorhexidine Gluconate: 1 person, 33.33%, Prilocaine Hydrochloride: 1 person, 33.33%, Sodium Polystyrene Sulfonate: 1 person, 33.33%, Headache (pain in head): 2 people, 66.67%, Oedema (fluid collection in tissue): 2 people, 66.67%, Dry Eyes (lack of adequate tears): 1 person, 33.33%, Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 1 person, 33.33%, Conjunctivitis (pink eye): 1 person, 33.33%, Erosive Oesophagitis (acid reflux disease can cause tissue damage in the oesophagus over time): 1 person, 33.33%, Excoriation (to tear or wear off the skin of): 1 person, 33.33%, Fatigue (feeling of tiredness): 1 person, 33.33%, Foot Deformity (functional disability of foot): 1 person, 33.33%, Gallbladder Cholesterolosis (accumulation and deposition of cholesterol inside of the): 1 person, 33.33%, Gastric Ulcer (stomach ulcer): 1 person, 33.33%, Cholecystitis (infection of gallbladder): 1 person, 33.33%, Colonic Polyp (extra part of colon tissue grow in intestine): 1 person, 33.33%, Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach): 1 person, 33.33%, Acute Leukaemia (blood cancer): 1 person, 33.33%, Anaemia (lack of blood): 1 person, 33.33%, Arteriovenous Fistula Site Complication: 1 person, 33.33%, Arteriovenous Fistula Thrombosis (formation of a blood clot inside a blood vessel-av fistula): 1 person, 33.33%, Arteriovenous Graft Aneurysm: 1 person, 33.33%, Azotaemia (excess of urea or other nitrogenous compounds in the blood): 1 person, 33.33%, Blood Calcium Decreased: 1 person, 33.33%, Gastritis Atrophic (process of chronic inflammation of the stomach mucosa): 1 person, 33.33%, Blood Glucose Decreased: 1 person, 33.33%, Bunion (a painful swelling on the first joint of the big toe): 1 person, 33.33%, Cellulitis (infection under the skin): 1 person, 33.33%, Gastritis (inflammation of stomach): 1 person, 33.33%, General Physical Health Deterioration (weak health status): 1 person, 33.33%, Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 33.33%, Muscle Spasms (muscle contraction): 1 person, 33.33%, Nasal Dryness (dry nose): 1 person, 33.33%, Neoplasm Malignant (cancer tumour): 1 person, 33.33%, Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 33.33%, Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 33.33%. eHealthMe is studying from 43,081 Metoprolol succinate users.